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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
gr-qc/9901072 | Kostas Kokkotas | K. D. Kokkotas, T. A. Apostolatos and N. Andersson | The inverse problem for pulsating neutron stars: A ``fingerprint
analysis'' for the supranuclear equation of state | 9 pages, 3 figures | Mon.Not.Roy.Astron.Soc. 320 (2001) 307-315 | 10.1046/j.1365-8711.2001.03945.x | null | gr-qc astro-ph | null | We study the problem of detecting, and infering astrophysical information
from, gravitational waves from a pulsating neutron star. We show that the fluid
f and p-modes, as well as the gravitational-wave w-modes may be detectable from
sources in our own galaxy, and investigate how accurately the frequencies and
dampin... | [
{
"created": "Mon, 25 Jan 1999 19:41:46 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Kokkotas",
"K. D.",
""
],
[
"Apostolatos",
"T. A.",
""
],
[
"Andersson",
"N.",
""
]
] | We study the problem of detecting, and infering astrophysical information from, gravitational waves from a pulsating neutron star. We show that the fluid f and p-modes, as well as the gravitational-wave w-modes may be detectable from sources in our own galaxy, and investigate how accurately the frequencies and damping ... |
0912.2384 | Christian Schubert | Jose Manuel Davila and Christian Schubert | Effective action for Einstein-Maxwell theory at order RF**4 | 13 pages, no figures | Class.Quant.Grav.27:075007,2010 | 10.1088/0264-9381/27/7/075007 | Preprint AEI-2009-081 | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We use a recently derived integral representation of the one-loop effective
action in Einstein-Maxwell theory for an explicit calculation of the part of
the effective action containing the information on the low energy limit of the
five-point amplitudes involving one graviton, four photons and either a scalar
or spin... | [
{
"created": "Sat, 12 Dec 2009 00:57:43 GMT",
"version": "v1"
}
] | 2010-04-21 | [
[
"Davila",
"Jose Manuel",
""
],
[
"Schubert",
"Christian",
""
]
] | We use a recently derived integral representation of the one-loop effective action in Einstein-Maxwell theory for an explicit calculation of the part of the effective action containing the information on the low energy limit of the five-point amplitudes involving one graviton, four photons and either a scalar or spinor... |
1109.6848 | Alexandre Le Tiec | Alexandre Le Tiec | Perturbative, Post-Newtonian, and General Relativistic Dynamics of Black
Hole Binaries | 4 pages, 2 figures; to appear in the Proceedings of the "46th
Rencontres de Moriond & GPhyS Colloquium on Gravitational Waves and
Experimental Gravity", La Thuile (Italy), March 2011 | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The orbital motion of inspiralling and coalescing black hole binaries can be
investigated using a variety of approximation schemes and numerical methods
within general relativity: post-Newtonian expansions, black hole perturbation
theory, numerical relativity, and the effective-one-body formalism. We review
two recen... | [
{
"created": "Fri, 30 Sep 2011 15:13:47 GMT",
"version": "v1"
}
] | 2011-10-03 | [
[
"Tiec",
"Alexandre Le",
""
]
] | The orbital motion of inspiralling and coalescing black hole binaries can be investigated using a variety of approximation schemes and numerical methods within general relativity: post-Newtonian expansions, black hole perturbation theory, numerical relativity, and the effective-one-body formalism. We review two recent ... |
2404.02019 | Abra\~ao Mendes | Gregory J. Galloway and Abra\~ao Mendes | Aspects of the geometry and topology of expanding horizons | 10 pages, 1 figure. Comments welcome | null | null | null | gr-qc math.DG | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The aim of this paper is to extend some basic results about marginally outer
trapped surfaces to the context of surfaces having general null expansion.
Motivated in part by recent work of Chai-Wan, we introduce the notion of
$\mathfrak{g}$-stability for a general closed hypersurface $\Sigma$ in an
ambient initial dat... | [
{
"created": "Tue, 2 Apr 2024 15:09:22 GMT",
"version": "v1"
}
] | 2024-04-03 | [
[
"Galloway",
"Gregory J.",
""
],
[
"Mendes",
"Abraão",
""
]
] | The aim of this paper is to extend some basic results about marginally outer trapped surfaces to the context of surfaces having general null expansion. Motivated in part by recent work of Chai-Wan, we introduce the notion of $\mathfrak{g}$-stability for a general closed hypersurface $\Sigma$ in an ambient initial data ... |
1606.03952 | Alessandro Nagar | Walter Del Pozzo and Alessandro Nagar | An analytic family of post-merger template waveforms | 14 pages, 7 figures, submitted to Phys. Rev. D. Revised and more
detailed version. Results unchanged | Phys. Rev. D 95, 124034 (2017) | 10.1103/PhysRevD.95.124034 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Building on the analytical description of the post-merger (ringdown) waveform
of coalescing, non-precessing, spinning, (BBHs) introduced in Phys. Rev. D 90,
024054 (2014), we propose an analytic, closed form, time-domain, representation
of the $\ell=m=2$ gravitational radiation mode emitted after merger. This
express... | [
{
"created": "Mon, 13 Jun 2016 13:58:06 GMT",
"version": "v1"
},
{
"created": "Tue, 15 Nov 2016 10:05:23 GMT",
"version": "v2"
},
{
"created": "Wed, 11 Jan 2017 12:07:52 GMT",
"version": "v3"
},
{
"created": "Thu, 12 Jan 2017 13:44:59 GMT",
"version": "v4"
}
] | 2017-06-28 | [
[
"Del Pozzo",
"Walter",
""
],
[
"Nagar",
"Alessandro",
""
]
] | Building on the analytical description of the post-merger (ringdown) waveform of coalescing, non-precessing, spinning, (BBHs) introduced in Phys. Rev. D 90, 024054 (2014), we propose an analytic, closed form, time-domain, representation of the $\ell=m=2$ gravitational radiation mode emitted after merger. This expressio... |
1111.6342 | Changjun Gao | Changjun Gao | Introduction of the generalized Lorenz gauge condition into the
vector-tensor theory | 7 pages, 1 figure | Phys. Rev. D 85, 023533(2012) | 10.1103/PhysRevD.85.023533 | null | gr-qc astro-ph.CO hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We introduce the generalized Lorentz gauge condition in the theory of quantum
electrodynamics into the general vector-tensor theories of gravity. Then we
explore the cosmic evolution and the static, spherically symmetric solution of
the four dimensional vector field with the generalized Lorenz gauge. We find
that, if... | [
{
"created": "Mon, 28 Nov 2011 04:34:59 GMT",
"version": "v1"
},
{
"created": "Sat, 14 Jan 2012 06:21:38 GMT",
"version": "v2"
},
{
"created": "Mon, 30 Jan 2012 07:03:11 GMT",
"version": "v3"
}
] | 2013-05-30 | [
[
"Gao",
"Changjun",
""
]
] | We introduce the generalized Lorentz gauge condition in the theory of quantum electrodynamics into the general vector-tensor theories of gravity. Then we explore the cosmic evolution and the static, spherically symmetric solution of the four dimensional vector field with the generalized Lorenz gauge. We find that, if t... |
2304.13137 | Himanshu Chaudhary | Amine Bouali, Himanshu Chaudhary, Ujjal Debnath, Alok Sardar,
G.Mustafa | Data Analysis of three parameter models of deceleration parameter in FRW
Universe | null | null | 10.1140/epjp/s13360-023-04442-y | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Constraining the dark energy deceleration parameter is one of the fascinating
topics in the recent cosmological paradigm. This work aims to reconstruct the
dark energy using parametrization of the deceleration parameter in a flat FRW
universe filled with radiation, dark energy, and pressure-less dark matter.
Thus, we... | [
{
"created": "Tue, 25 Apr 2023 20:27:06 GMT",
"version": "v1"
},
{
"created": "Fri, 22 Sep 2023 22:13:52 GMT",
"version": "v2"
}
] | 2023-09-26 | [
[
"Bouali",
"Amine",
""
],
[
"Chaudhary",
"Himanshu",
""
],
[
"Debnath",
"Ujjal",
""
],
[
"Sardar",
"Alok",
""
],
[
"Mustafa",
"G.",
""
]
] | Constraining the dark energy deceleration parameter is one of the fascinating topics in the recent cosmological paradigm. This work aims to reconstruct the dark energy using parametrization of the deceleration parameter in a flat FRW universe filled with radiation, dark energy, and pressure-less dark matter. Thus, we h... |
1210.2299 | Carlos Palenzuela | Susana Valdez-Alvarado, Carlos Palenzuela, Daniela Alic, L. Arturo
Ure\~na-L\'opez | Dynamical evolution of fermion-boson stars | 13 pages, 9 figures. Replaced with the journal final version | Phys. Rev. D 87, 084040 (2013) | 10.1103/PhysRevD.87.084040 | null | gr-qc astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Compact objects, like neutron stars and white dwarfs, may accrete dark
matter, and then be sensitive probes of its presence. These compact stars with
a dark matter component can be modeled by a perfect fluid minimally coupled to
a complex scalar field (representing a bosonic dark matter component),
resulting in objec... | [
{
"created": "Mon, 8 Oct 2012 14:52:40 GMT",
"version": "v1"
},
{
"created": "Sun, 1 Nov 2015 11:15:52 GMT",
"version": "v2"
}
] | 2015-11-03 | [
[
"Valdez-Alvarado",
"Susana",
""
],
[
"Palenzuela",
"Carlos",
""
],
[
"Alic",
"Daniela",
""
],
[
"Ureña-López",
"L. Arturo",
""
]
] | Compact objects, like neutron stars and white dwarfs, may accrete dark matter, and then be sensitive probes of its presence. These compact stars with a dark matter component can be modeled by a perfect fluid minimally coupled to a complex scalar field (representing a bosonic dark matter component), resulting in objects... |
0706.3018 | Salvatore Capozziello | S. Capozziello, V.I. Man'ko, G. Marmo, C. Stornaiolo | Tomographic Representation of Minisuperspace Quantum Cosmology and
Noether Symmetries | 15 pages | Gen.Rel.Grav.40:2627-2647,2008 | 10.1007/s10714-008-0643-3 | null | gr-qc hep-th | null | The probability representation, in which cosmological quantum states are
described by a standard positive probability distribution, is constructed for
minisuperspace models selected by Noether symmetries. In such a case, the
tomographic probability distribution provides the classical evolution for the
models and can ... | [
{
"created": "Wed, 20 Jun 2007 16:08:21 GMT",
"version": "v1"
},
{
"created": "Wed, 22 Aug 2007 14:10:58 GMT",
"version": "v2"
},
{
"created": "Wed, 2 Apr 2008 12:22:57 GMT",
"version": "v3"
}
] | 2008-12-18 | [
[
"Capozziello",
"S.",
""
],
[
"Man'ko",
"V. I.",
""
],
[
"Marmo",
"G.",
""
],
[
"Stornaiolo",
"C.",
""
]
] | The probability representation, in which cosmological quantum states are described by a standard positive probability distribution, is constructed for minisuperspace models selected by Noether symmetries. In such a case, the tomographic probability distribution provides the classical evolution for the models and can be... |
gr-qc/9507039 | Arlen Anderson | Arlen Anderson | Clocks and Time | LaTeX, 19 pp | null | null | IFP-UNC-95-512 | gr-qc | null | A general definition of a clock is proposed, and the role of clocks in
establishing temporal pre-conditions in quantum mechanical questions is
critically discussed. The different status of clocks as used by theorists
external to a system and as used by participant-observers within a system is
emphasized. It is shown ... | [
{
"created": "Tue, 18 Jul 1995 03:25:53 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Anderson",
"Arlen",
""
]
] | A general definition of a clock is proposed, and the role of clocks in establishing temporal pre-conditions in quantum mechanical questions is critically discussed. The different status of clocks as used by theorists external to a system and as used by participant-observers within a system is emphasized. It is shown th... |
2006.09910 | Cyril Renevey | Cyril Renevey, Joe Kennedy, Lucas Lombriser | Parameterised post-Newtonian formalism for the effective field theory of
dark energy via screened reconstructed Horndeski theories | 40 pages, 1 figure, 2 tables | JCAP12(2020)032 | 10.1088/1475-7516/2020/12/032 | null | gr-qc astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We bring together two popular formalisms which generically parameterise
deviations from General Relativity on astrophysical and cosmological scales,
namely the parameterised post-Newtonian (PPN) formalism and the effective field
theory (EFT) of dark energy and modified gravity. These separate formalisms are
successfu... | [
{
"created": "Wed, 17 Jun 2020 14:43:57 GMT",
"version": "v1"
},
{
"created": "Thu, 28 Jan 2021 11:10:43 GMT",
"version": "v2"
}
] | 2021-01-29 | [
[
"Renevey",
"Cyril",
""
],
[
"Kennedy",
"Joe",
""
],
[
"Lombriser",
"Lucas",
""
]
] | We bring together two popular formalisms which generically parameterise deviations from General Relativity on astrophysical and cosmological scales, namely the parameterised post-Newtonian (PPN) formalism and the effective field theory (EFT) of dark energy and modified gravity. These separate formalisms are successfull... |
2307.01598 | Kenneth Chen | Kenneth Chen and Lap-Ming Lin | Fully general relativistic simulations of rapidly rotating quark stars:
Oscillation modes and universal relations | 22 pages, 20 figures | Phys. Rev. D 108, 064007 (2023) | 10.1103/PhysRevD.108.064007 | null | gr-qc astro-ph.HE physics.comp-ph | http://creativecommons.org/licenses/by/4.0/ | (Abridged) Numerical simulation of strange quark stars (QSs) is challenging
due to the strong density discontinuity at the stellar surface. In this paper,
we report successful simulations of rapidly rotating QSs and study their
oscillation modes in full general relativity. Building on top of the numerical
relativity ... | [
{
"created": "Tue, 4 Jul 2023 09:38:49 GMT",
"version": "v1"
},
{
"created": "Fri, 1 Sep 2023 16:57:34 GMT",
"version": "v2"
}
] | 2023-09-08 | [
[
"Chen",
"Kenneth",
""
],
[
"Lin",
"Lap-Ming",
""
]
] | (Abridged) Numerical simulation of strange quark stars (QSs) is challenging due to the strong density discontinuity at the stellar surface. In this paper, we report successful simulations of rapidly rotating QSs and study their oscillation modes in full general relativity. Building on top of the numerical relativity co... |
1309.0915 | Hwa-Tung Nieh | H.T Nieh | A Torsional Topological Invariant | 10 pages | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Curvature and torsion are the two tensors characterizing a general Riemannian
spacetime. In Einstein's general theory of gravitation, with torsion postulated
to vanish and the affine connection identified to the Christoffel symbol, only
the curvature tensor plays the central role. For such a purely metric geometry,
t... | [
{
"created": "Wed, 4 Sep 2013 05:18:23 GMT",
"version": "v1"
}
] | 2013-09-05 | [
[
"Nieh",
"H. T",
""
]
] | Curvature and torsion are the two tensors characterizing a general Riemannian spacetime. In Einstein's general theory of gravitation, with torsion postulated to vanish and the affine connection identified to the Christoffel symbol, only the curvature tensor plays the central role. For such a purely metric geometry, two... |
gr-qc/9303015 | B. Bruegmann | Bernd Bruegmann | Bibliography of Publications related to Classical and Quantum Gravity in
terms of the Ashtekar Variables | 15 pages (LaTeX), MPI-Ph/93-68 (Sept. 93) | null | null | null | gr-qc hep-th | null | This bibliography attempts to give a comprehensive overview of all the
literature related to the Ashtekar variables. The original version was compiled
by Peter Huebner in 1989, and it has been subsequently updated by Gabriela
Gonzalez and Bernd Bruegmann. Information about additional literature, new
preprints, and es... | [
{
"created": "Wed, 10 Mar 1993 19:52:13 GMT",
"version": "v1"
},
{
"created": "Sat, 11 Sep 1993 20:57:47 GMT",
"version": "v2"
},
{
"created": "Fri, 24 Sep 1993 15:24:03 GMT",
"version": "v3"
}
] | 2008-02-03 | [
[
"Bruegmann",
"Bernd",
""
]
] | This bibliography attempts to give a comprehensive overview of all the literature related to the Ashtekar variables. The original version was compiled by Peter Huebner in 1989, and it has been subsequently updated by Gabriela Gonzalez and Bernd Bruegmann. Information about additional literature, new preprints, and espe... |
0911.0802 | Alfonso Garc\'ia-Parrado G\'omez-Lobo Dr. | Piotr T. Chru\'sciel, Julien Cortier and Alfonso Garc\'ia-Parrado
G\'omez-Lobo | On the global structure of the Pomeransky-Senkov black holes | 84 pages, 25 figures. Extension through the Killing horizon in the
degenerate case included, section 2 re-written and references added.
Submitted to Advances in Theoretical and Mathematical Physics | null | null | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We construct analytic extensions of the Pomeransky-Senkov metrics with
multiple Killing horizons and asymptotic regions. We show that, in our
extensions, the singularities associated to an obstruction to differentiability
of the metric lie beyond event horizons. We analyze the topology of the
non-empty singular set, ... | [
{
"created": "Wed, 4 Nov 2009 17:13:30 GMT",
"version": "v1"
},
{
"created": "Sun, 10 Oct 2010 22:26:21 GMT",
"version": "v2"
}
] | 2010-10-12 | [
[
"Chruściel",
"Piotr T.",
""
],
[
"Cortier",
"Julien",
""
],
[
"Gómez-Lobo",
"Alfonso García-Parrado",
""
]
] | We construct analytic extensions of the Pomeransky-Senkov metrics with multiple Killing horizons and asymptotic regions. We show that, in our extensions, the singularities associated to an obstruction to differentiability of the metric lie beyond event horizons. We analyze the topology of the non-empty singular set, wh... |
1802.08682 | Nils Deppe | Nils Deppe, Lawrence E. Kidder, Mark A. Scheel, and Saul A. Teukolsky | Critical behavior in 3-d gravitational collapse of massless scalar
fields | 9 pages, 5 figures, data and scripts for making figs in anc data | Phys. Rev. D 99, 024018 (2019) | 10.1103/PhysRevD.99.024018 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present results from the first study of critical behavior in 3-d
gravitational collapse. The source of the gravitational field is a massless
scalar field. This is a well-studied case for spherically symmetric
gravitational collapse, allowing us to understand the reliability and accuracy
of the simulations. We stud... | [
{
"created": "Fri, 23 Feb 2018 18:59:30 GMT",
"version": "v1"
},
{
"created": "Wed, 19 Dec 2018 04:32:42 GMT",
"version": "v2"
}
] | 2019-01-16 | [
[
"Deppe",
"Nils",
""
],
[
"Kidder",
"Lawrence E.",
""
],
[
"Scheel",
"Mark A.",
""
],
[
"Teukolsky",
"Saul A.",
""
]
] | We present results from the first study of critical behavior in 3-d gravitational collapse. The source of the gravitational field is a massless scalar field. This is a well-studied case for spherically symmetric gravitational collapse, allowing us to understand the reliability and accuracy of the simulations. We study ... |
1307.7372 | Steven L. Liebling | Carlos Palenzuela, Luis Lehner, Steven L. Liebling, Marcelo Ponce,
Matthew Anderson, David Neilsen, Patrick Motl | Linking electromagnetic and gravitational radiation in coalescing binary
neutron stars | 15 pages, 15 figures; Updated with spelling/grammar corrections,
updated references, and better printing figures | Phys. Rev. D 88, 043011 (2013) | 10.1103/PhysRevD.88.043011 | null | gr-qc astro-ph.HE | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We expand on our study of the gravitational and electromagnetic emissions
from the late stage of an inspiraling neutron star binary as presented in Ref.
\cite{Palenzuela:2013hu}. Interactions between the stellar magnetospheres,
driven by the extreme dynamics of the merger, can yield considerable outflows.
We study th... | [
{
"created": "Sun, 28 Jul 2013 14:58:52 GMT",
"version": "v1"
},
{
"created": "Mon, 19 Aug 2013 21:16:51 GMT",
"version": "v2"
}
] | 2013-09-13 | [
[
"Palenzuela",
"Carlos",
""
],
[
"Lehner",
"Luis",
""
],
[
"Liebling",
"Steven L.",
""
],
[
"Ponce",
"Marcelo",
""
],
[
"Anderson",
"Matthew",
""
],
[
"Neilsen",
"David",
""
],
[
"Motl",
"Patrick",
""
]
] | We expand on our study of the gravitational and electromagnetic emissions from the late stage of an inspiraling neutron star binary as presented in Ref. \cite{Palenzuela:2013hu}. Interactions between the stellar magnetospheres, driven by the extreme dynamics of the merger, can yield considerable outflows. We study the ... |
1701.06913 | Behrooz Malekolkalami | Ali. Mahmoodzadeh, B. Malakolkalami | Geodesics around oscillatons made of exponential scalar field potential | 12 pages, 12 figures | null | 10.1007/s10509-018-3389-8 | null | gr-qc astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Oscillatons are spherically symmetric solutions to the Einstein Klein Gordon
(EKG) equations for soliton stars made of real time dependent scalar fields.
These equations are non singular and satisfy flatness conditions asymptotically
with periodic time dependency. In this paper, we investigate the geodesic
motion of ... | [
{
"created": "Sun, 22 Jan 2017 07:23:31 GMT",
"version": "v1"
}
] | 2018-08-08 | [
[
"Mahmoodzadeh",
"Ali.",
""
],
[
"Malakolkalami",
"B.",
""
]
] | Oscillatons are spherically symmetric solutions to the Einstein Klein Gordon (EKG) equations for soliton stars made of real time dependent scalar fields. These equations are non singular and satisfy flatness conditions asymptotically with periodic time dependency. In this paper, we investigate the geodesic motion of pa... |
gr-qc/9407028 | Melnikov Vitaly Nikolaevich | V. D. Ivashchuk and V. N. Melnikov | Billiard Representation for Multidimensional Cosmology with
Multicomponent Perfect Fluid near the Singularity | 16 pages, LaTex. 4 figures are available upon request (hard copy) | Class.Quant.Grav.12:809-826,1995 | 10.1088/0264-9381/12/3/017 | RGA-CSVR-011/94 | gr-qc | null | The multidimensional cosmological model describing the evolution of $n$
Einstein spaces in the presence of multicomponent perfect fluid is considered.
When certain restrictions on the parameters of the model are imposed, the
dynamics of the model near the singularity is reduced to a billiard on the
$(n-1)$-dimensiona... | [
{
"created": "Tue, 19 Jul 1994 19:05:20 GMT",
"version": "v1"
},
{
"created": "Thu, 21 Jul 1994 08:55:30 GMT",
"version": "v2"
}
] | 2010-04-06 | [
[
"Ivashchuk",
"V. D.",
""
],
[
"Melnikov",
"V. N.",
""
]
] | The multidimensional cosmological model describing the evolution of $n$ Einstein spaces in the presence of multicomponent perfect fluid is considered. When certain restrictions on the parameters of the model are imposed, the dynamics of the model near the singularity is reduced to a billiard on the $(n-1)$-dimensional ... |
1910.04532 | Alessandro Fabbri | Roberto Balbinot, Alessandro Fabbri, Richard A. Dudley and Paul R.
Anderson | Particle Production in the Interiors of Acoustic Black Holes | 28 pages, 17 figures | Phys. Rev. D 100, 105021 (2019) | 10.1103/PhysRevD.100.105021 | null | gr-qc cond-mat.quant-gas hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Phonon creation inside the horizons of acoustic black holes is investigated
using two simple toy models. It is shown that, unlike what occurs in the
exterior regions, the spectrum is not thermal. This non-thermality is due to
the anomalous scattering that occurs in the interior regions.
| [
{
"created": "Thu, 10 Oct 2019 13:02:29 GMT",
"version": "v1"
}
] | 2019-12-03 | [
[
"Balbinot",
"Roberto",
""
],
[
"Fabbri",
"Alessandro",
""
],
[
"Dudley",
"Richard A.",
""
],
[
"Anderson",
"Paul R.",
""
]
] | Phonon creation inside the horizons of acoustic black holes is investigated using two simple toy models. It is shown that, unlike what occurs in the exterior regions, the spectrum is not thermal. This non-thermality is due to the anomalous scattering that occurs in the interior regions. |
gr-qc/0607063 | Christodoulakis Theodosios | T. Christodoulakis and Petros A. Terzis | The General Solution of Bianchi Type III Vacuum Cosmology | Latex2e, 18 pages, accepted in CQG | Class.Quant.Grav. 24 (2007) 875-887 | 10.1088/0264-9381/24/4/008 | null | gr-qc | null | The second order Ordinary Differential Equation which describes the unknown
part of the solution space of some vacuum Bianchi Cosmologies is completely
integrated for Type III, thus obtaining the general solution to Einstein's
Field Equations for this case, with the aid of the sixth Painlev\'{e}
transcendent $P_{VI}$... | [
{
"created": "Mon, 17 Jul 2006 14:19:45 GMT",
"version": "v1"
},
{
"created": "Wed, 27 Dec 2006 14:34:22 GMT",
"version": "v2"
}
] | 2007-05-23 | [
[
"Christodoulakis",
"T.",
""
],
[
"Terzis",
"Petros A.",
""
]
] | The second order Ordinary Differential Equation which describes the unknown part of the solution space of some vacuum Bianchi Cosmologies is completely integrated for Type III, thus obtaining the general solution to Einstein's Field Equations for this case, with the aid of the sixth Painlev\'{e} transcendent $P_{VI}$. ... |
gr-qc/0005122 | Yurii V. Dumin | Yurii V. Dumin (IZMIRAN, Russ. Acad. Sci.) | On the Influence of Einstein-Podolsky-Rosen (EPR) Effect on the
Probability of Domain-Wall Formation during a Cosmological Phase Transition | 5 pages, LaTex2e, no figures. Report at JENAM-2000 | null | null | S01-P6 | gr-qc astro-ph hep-ph quant-ph | null | Evading formation of the domain walls in cosmological phase transitions is
one of the key problems to be solved for getting agreement with the observed
large-scale homogeneity of the Universe. The previous attempts to get around
this obstacle led to imposing severe observational constraints on the
parameters of the f... | [
{
"created": "Mon, 29 May 2000 03:34:39 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Dumin",
"Yurii V.",
"",
"IZMIRAN, Russ. Acad. Sci."
]
] | Evading formation of the domain walls in cosmological phase transitions is one of the key problems to be solved for getting agreement with the observed large-scale homogeneity of the Universe. The previous attempts to get around this obstacle led to imposing severe observational constraints on the parameters of the fie... |
2307.15735 | Rodrigo Panosso Macedo | Rodrigo Panosso Macedo | Hyperboloidal approach for static spherically symmetric spacetimes: a
didactical introduction and applications in black-hole physics | 41 pages, 6 figures. Published to Philosophical Transactions A issue:
"At the interface of asymptotics, conformal methods and analysis in general
relativity" --- updated version to include referees suggestions and extend
literature | Phil. Trans. R. Soc. A. 382 20230046 (2024) | 10.1098/rsta.2023.0046 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | This work offers a didactical introduction to the calculations and
geometrical properties of a static, spherically symmetric spacetime foliated by
hyperboloidal time surfaces. We discuss the various degrees of freedom
involved, namely the height function, responsible for introducing the
hyperboloidal time coordinate,... | [
{
"created": "Fri, 28 Jul 2023 18:00:01 GMT",
"version": "v1"
},
{
"created": "Mon, 15 Jan 2024 10:13:48 GMT",
"version": "v2"
}
] | 2024-01-17 | [
[
"Macedo",
"Rodrigo Panosso",
""
]
] | This work offers a didactical introduction to the calculations and geometrical properties of a static, spherically symmetric spacetime foliated by hyperboloidal time surfaces. We discuss the various degrees of freedom involved, namely the height function, responsible for introducing the hyperboloidal time coordinate, a... |
1909.08351 | Ayan Chatterjee | Ayan Chatterjee and Amit Ghosh | Effective Quantum Theory of Black Hole Horizons | 15 pages 1 figure | null | null | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this paper, we develop an effective quantum theory of black hole horizons
using only the local horizon geometry. On the covariant phase space of the
Holst action admitting Weak Isolated Horizon as an inner boundary, we construct
Hamiltonian charges corresponding to Lorentz symmetries. We show that horizon
area is ... | [
{
"created": "Wed, 18 Sep 2019 11:06:46 GMT",
"version": "v1"
}
] | 2019-09-19 | [
[
"Chatterjee",
"Ayan",
""
],
[
"Ghosh",
"Amit",
""
]
] | In this paper, we develop an effective quantum theory of black hole horizons using only the local horizon geometry. On the covariant phase space of the Holst action admitting Weak Isolated Horizon as an inner boundary, we construct Hamiltonian charges corresponding to Lorentz symmetries. We show that horizon area is th... |
gr-qc/0202073 | M. M. Akbar | M. M. Akbar, P. D. D'Eath | Classical Boundary-value Problem in Riemannian Quantum Gravity and
Self-dual Taub-NUT-(anti)de Sitter Geometries | 20 pages, 11 figures; Latex; Revised version with important new
results on real infilling solutions and corrections. To appear in Nuclear
Physics B, issue 648 (1,2), pp. 397-416 | Nucl.Phys. B648 (2003) 397-416 | 10.1016/S0550-3213(02)00971-9 | DAMTP-2002-26 | gr-qc hep-th | null | The classical boundary-value problem of the Einstein field equations is
studied with an arbitrary cosmological constant, in the case of a compact
($S^{3}$) boundary given a biaxial Bianchi-IX positive-definite three-metric,
specified by two radii $(a,b).$ For the simplest, four-ball, topology of the
manifold with thi... | [
{
"created": "Thu, 21 Feb 2002 20:54:01 GMT",
"version": "v1"
},
{
"created": "Tue, 3 Dec 2002 19:29:00 GMT",
"version": "v2"
}
] | 2009-11-07 | [
[
"Akbar",
"M. M.",
""
],
[
"D'Eath",
"P. D.",
""
]
] | The classical boundary-value problem of the Einstein field equations is studied with an arbitrary cosmological constant, in the case of a compact ($S^{3}$) boundary given a biaxial Bianchi-IX positive-definite three-metric, specified by two radii $(a,b).$ For the simplest, four-ball, topology of the manifold with this ... |
2104.14221 | Qing-Hua Zhu | Zhe Chang and Qing-Hua Zhu | The observer-dependent shadow of the Kerr black hole | v2: 28 pages, 19 figures, 2 tables, minor revisions | JCAP09(2021)003 | 10.1088/1475-7516/2021/09/003 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Motivated by inclination of the Earth's orbit that is not located at galactic
plane for observing the shadow of Sgr A*, we consider the black hole shadow for
arbitrary inclinations and different velocities of observers. A surprising
finding of the study is that rotation axis of a black hole might not be
extracted fro... | [
{
"created": "Thu, 29 Apr 2021 09:20:16 GMT",
"version": "v1"
},
{
"created": "Mon, 6 Sep 2021 17:18:15 GMT",
"version": "v2"
}
] | 2021-09-07 | [
[
"Chang",
"Zhe",
""
],
[
"Zhu",
"Qing-Hua",
""
]
] | Motivated by inclination of the Earth's orbit that is not located at galactic plane for observing the shadow of Sgr A*, we consider the black hole shadow for arbitrary inclinations and different velocities of observers. A surprising finding of the study is that rotation axis of a black hole might not be extracted from ... |
1503.04711 | Kalin Staykov | Kalin V. Staykov, Daniela D. Doneva, Stoytcho S. Yazadjiev, and Kostas
D. Kokkotas | Gravitational wave asteroseismology of neutron and strange stars in
$R^2$ gravity | 10 pages, 4 figures | null | 10.1103/PhysRevD.92.043009 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the oscillations of neutron and strange stars in $R^2$ gravity. More
precisely the nonradial $f$-modes are examined and the differences with pure
general relativity are investigated. Using these results we build several
gravitational wave asteroseismology relations. Our goal is to determine up to
what extend... | [
{
"created": "Mon, 16 Mar 2015 16:16:19 GMT",
"version": "v1"
}
] | 2015-09-23 | [
[
"Staykov",
"Kalin V.",
""
],
[
"Doneva",
"Daniela D.",
""
],
[
"Yazadjiev",
"Stoytcho S.",
""
],
[
"Kokkotas",
"Kostas D.",
""
]
] | We study the oscillations of neutron and strange stars in $R^2$ gravity. More precisely the nonradial $f$-modes are examined and the differences with pure general relativity are investigated. Using these results we build several gravitational wave asteroseismology relations. Our goal is to determine up to what extend t... |
2305.19318 | Subhajit Dandapat Mr. | Subhajit Dandapat, Michael Ebersold, Abhimanyu Susobhanan, Prerna
Rana, Achamveedu Gopakumar, Shubhanshu Tiwari, Maria Haney, Hyung Mok Lee,
Neel Kolhe | Gravitational Waves from Black-Hole Encounters: Prospects for Ground-
and Galaxy-Based Observatories | 19 pages, 11 figures, accepted for publication in Phys. Rev. D | null | 10.1103/PhysRevD.108.024013 | null | gr-qc astro-ph.GA | http://creativecommons.org/licenses/by/4.0/ | Close hyperbolic encounters of black holes (BHs) generate certain Burst With
Memory (BWM) events in the frequency windows of the operational, planned, and
proposed gravitational wave (GW) observatories. We present detailed
explorations of the detectable parameter space of such events that are relevant
for the LIGO-Vi... | [
{
"created": "Tue, 30 May 2023 18:00:03 GMT",
"version": "v1"
}
] | 2023-07-19 | [
[
"Dandapat",
"Subhajit",
""
],
[
"Ebersold",
"Michael",
""
],
[
"Susobhanan",
"Abhimanyu",
""
],
[
"Rana",
"Prerna",
""
],
[
"Gopakumar",
"Achamveedu",
""
],
[
"Tiwari",
"Shubhanshu",
""
],
[
"Haney",
"Maria",
... | Close hyperbolic encounters of black holes (BHs) generate certain Burst With Memory (BWM) events in the frequency windows of the operational, planned, and proposed gravitational wave (GW) observatories. We present detailed explorations of the detectable parameter space of such events that are relevant for the LIGO-Virg... |
2206.04970 | Alfredo Bautista | A. Bautista, A. Ibort, J. Lafuente | The sky invariant: A new conformal invariant for Schwarzschild spacetime | 20 pages, 2 figures, accepted for publication in International
Journal of Geometric Methods in Modern Physics | null | 10.1142/S0219887822501687 | null | gr-qc math-ph math.MP | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | A new class of conformal invariants for a given spacetime $M$ is introduced
exploiting the conformal geometry of any light ray $\Gamma$. Each congruence of
light rays passing through a given point $p$ defines the sky $S(p)$ of such
point. The new conformal invariants are defined on the bundle of skies of the
spacetim... | [
{
"created": "Fri, 10 Jun 2022 09:59:47 GMT",
"version": "v1"
}
] | 2022-10-05 | [
[
"Bautista",
"A.",
""
],
[
"Ibort",
"A.",
""
],
[
"Lafuente",
"J.",
""
]
] | A new class of conformal invariants for a given spacetime $M$ is introduced exploiting the conformal geometry of any light ray $\Gamma$. Each congruence of light rays passing through a given point $p$ defines the sky $S(p)$ of such point. The new conformal invariants are defined on the bundle of skies of the spacetime ... |
gr-qc/0006084 | Harald P. Pfeiffer | Harald P. Pfeiffer, Saul A. Teukolsky, Gregory B. Cook | Quasi-circular Orbits for Spinning Binary Black Holes | 13 pages, 10 figures, submitted to PRD | Phys.Rev.D62:104018,2000 | 10.1103/PhysRevD.62.104018 | null | gr-qc | null | Using an effective potential method we examine binary black holes where the
individual holes carry spin. We trace out sequences of quasi-circular orbits
and locate the innermost stable circular orbit as a function of spin. At large
separations, the sequences of quasi-circular orbits match well with
post-Newtonian exp... | [
{
"created": "Thu, 22 Jun 2000 19:37:02 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Pfeiffer",
"Harald P.",
""
],
[
"Teukolsky",
"Saul A.",
""
],
[
"Cook",
"Gregory B.",
""
]
] | Using an effective potential method we examine binary black holes where the individual holes carry spin. We trace out sequences of quasi-circular orbits and locate the innermost stable circular orbit as a function of spin. At large separations, the sequences of quasi-circular orbits match well with post-Newtonian expan... |
2005.08784 | Celia Escamilla-Rivera | Celia Escamilla-Rivera and Hernando Quevedo | Quantum signatures from Horava-Lifshitz cosmography | 15 pages, 2 figures, 3 cables. Version accepted in CQG | Class. Quantum Grav. 38 115009 2021 | 10.1088/1361-6382/abf66c | null | gr-qc astro-ph.CO hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this paper we propose an alternative cosmography by considering
Horava-Lifshitz gravity as a model of quantum gravity to search for quantum
effects at the cosmological level. For our analyses we consider current late
universe surveys and a Gravitational Waves forecast from Einstein Telescope. We
found naturally a ... | [
{
"created": "Fri, 15 May 2020 03:35:50 GMT",
"version": "v1"
},
{
"created": "Wed, 7 Apr 2021 15:44:02 GMT",
"version": "v2"
}
] | 2021-05-07 | [
[
"Escamilla-Rivera",
"Celia",
""
],
[
"Quevedo",
"Hernando",
""
]
] | In this paper we propose an alternative cosmography by considering Horava-Lifshitz gravity as a model of quantum gravity to search for quantum effects at the cosmological level. For our analyses we consider current late universe surveys and a Gravitational Waves forecast from Einstein Telescope. We found naturally a no... |
1808.10040 | Cristian Martinez | Luis Avil\'es, Hideki Maeda and Cristian Martinez | Exact black-hole formation with a conformally coupled scalar field in
three dimensions | 47 pages, 6 figures, 7 tables | null | 10.1088/1361-6382/aaea9f | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present exact dynamical and inhomogeneous solutions in three-dimensional
AdS gravity with a conformally coupled scalar field. They contain stealth
configurations of the scalar field overflying the BTZ spacetime and also
solutions with a non-vanishing energy-momentum tensor. The latter non-stealth
class consists of... | [
{
"created": "Wed, 29 Aug 2018 21:01:19 GMT",
"version": "v1"
}
] | 2018-12-05 | [
[
"Avilés",
"Luis",
""
],
[
"Maeda",
"Hideki",
""
],
[
"Martinez",
"Cristian",
""
]
] | We present exact dynamical and inhomogeneous solutions in three-dimensional AdS gravity with a conformally coupled scalar field. They contain stealth configurations of the scalar field overflying the BTZ spacetime and also solutions with a non-vanishing energy-momentum tensor. The latter non-stealth class consists of t... |
gr-qc/0608093 | Juan Guillermo Diaz Ochoa Dr. | Juan G. Diaz Ochoa | General Relativity at an interface | 4 Pages | null | null | null | gr-qc | null | In this work a simple toy model for a free interface between bulk phases in
space and time is presented, derived from the balance equations for extensive
thermodynamic variables of Meinhold-Heerlein. In this case the free interface
represents geodesics in the space-time, allowing the derivation of the
Einstein's equa... | [
{
"created": "Sat, 19 Aug 2006 10:05:28 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Ochoa",
"Juan G. Diaz",
""
]
] | In this work a simple toy model for a free interface between bulk phases in space and time is presented, derived from the balance equations for extensive thermodynamic variables of Meinhold-Heerlein. In this case the free interface represents geodesics in the space-time, allowing the derivation of the Einstein's equati... |
1812.11589 | Markus P\"ossel | Markus P\"ossel | Relatively complicated? Using models to teach general relativity at
different levels | 97 pages, 46 figures. Based on an invited talk at the session of the
section Gravitation and Relativity at the Spring Meeting 2017 of the German
Physical Society (DPG) in Bremen, 16 March 2017 | null | null | null | gr-qc astro-ph.CO physics.ed-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | This review presents an overview of various kinds of models -- physical,
abstract, mathematical, visual -- that can be used to present the concepts and
applications of Einstein's general theory of relativity at the level of
undergraduate and even high-school teaching. After a general introduction
dealing with various... | [
{
"created": "Sun, 30 Dec 2018 18:58:17 GMT",
"version": "v1"
}
] | 2019-01-01 | [
[
"Pössel",
"Markus",
""
]
] | This review presents an overview of various kinds of models -- physical, abstract, mathematical, visual -- that can be used to present the concepts and applications of Einstein's general theory of relativity at the level of undergraduate and even high-school teaching. After a general introduction dealing with various k... |
1705.02062 | Molin Liu | Molin Liu, Yingying Shi, Zonghua Zhao and Yu Han | New asymptotic Anti-de Sitter solution with a timelike extra dimension
in 5D relativity | 17 pages, 1 figure, accepted for publication in Annals of Physics | null | 10.1016/j.aop.2017.05.002 | null | gr-qc hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In 5D relativity, the usual 4D cosmological constant is determined by the
extra dimension. If the extra dimension is spacelike, one can get a positive
cosmological constant $\Lambda$ and a 4D de Sitter (dS) space. In this paper we
present that, if the extra dimension is timelike oppositely, the negative
$\Lambda$ wil... | [
{
"created": "Fri, 5 May 2017 01:54:47 GMT",
"version": "v1"
}
] | 2017-06-07 | [
[
"Liu",
"Molin",
""
],
[
"Shi",
"Yingying",
""
],
[
"Zhao",
"Zonghua",
""
],
[
"Han",
"Yu",
""
]
] | In 5D relativity, the usual 4D cosmological constant is determined by the extra dimension. If the extra dimension is spacelike, one can get a positive cosmological constant $\Lambda$ and a 4D de Sitter (dS) space. In this paper we present that, if the extra dimension is timelike oppositely, the negative $\Lambda$ will ... |
2405.00170 | Leanne Durkan | Lorenzo K\"uchler, Geoffrey Comp\`ere, Leanne Durkan, Adam Pound | Self-force framework for transition-to-plunge waveforms | 87 pages, 13 figures | null | null | null | gr-qc | http://creativecommons.org/licenses/by-nc-sa/4.0/ | Compact binaries with asymmetric mass ratios are key expected sources for
next-generation gravitational wave detectors. Gravitational self-force theory
has been successful in producing post-adiabatic waveforms that describe the
quasi-circular inspiral around a non-spinning black hole with sub-radian
accuracy, in rema... | [
{
"created": "Tue, 30 Apr 2024 19:41:55 GMT",
"version": "v1"
}
] | 2024-05-02 | [
[
"Küchler",
"Lorenzo",
""
],
[
"Compère",
"Geoffrey",
""
],
[
"Durkan",
"Leanne",
""
],
[
"Pound",
"Adam",
""
]
] | Compact binaries with asymmetric mass ratios are key expected sources for next-generation gravitational wave detectors. Gravitational self-force theory has been successful in producing post-adiabatic waveforms that describe the quasi-circular inspiral around a non-spinning black hole with sub-radian accuracy, in remark... |
2005.00831 | Ion I. Cotaescu | Ion I. Cotaescu | Time evolution of the free Dirac field in spatially flat FLRW
space-times | 46 pages no figures | Int. J. of Mod. Phys. A Vol. 35, No. 32 (2020) 2030019 (39 pages) | 10.1142/S0217751X20300197 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The framework of the relativistic quantum mechanics on spatially flat FLRW
space-times is considered for deriving the analytical solutions of the Dirac
equation in different local charts of these manifolds. Systems of commuting
conserved operators are used for determining the fundamental solutions as
common eigenspin... | [
{
"created": "Sat, 2 May 2020 13:36:43 GMT",
"version": "v1"
},
{
"created": "Wed, 7 Oct 2020 12:54:16 GMT",
"version": "v2"
},
{
"created": "Thu, 26 Nov 2020 19:42:00 GMT",
"version": "v3"
}
] | 2020-11-30 | [
[
"Cotaescu",
"Ion I.",
""
]
] | The framework of the relativistic quantum mechanics on spatially flat FLRW space-times is considered for deriving the analytical solutions of the Dirac equation in different local charts of these manifolds. Systems of commuting conserved operators are used for determining the fundamental solutions as common eigenspinor... |
2302.13304 | Shuxun Tian | Shuxun Tian and Shaoqi Hou and Shuo Cao and Zong-Hong Zhu | Time evolution of the local gravitational parameters and gravitational
wave polarizations in a relativistic MOND theory | 9 pages, 3 figures, published in Phys. Rev. D. This version corrects
the footnote citation numbers [48,49,63] in the main text. The PRD published
version also misquotes the relevant citation numbers | Phys. Rev. D 107, 044062 (2023) | 10.1103/PhysRevD.107.044062 | null | gr-qc | http://creativecommons.org/licenses/by/4.0/ | The recently proposed Skordis-Z\l{}o\'{s}nik theory is the first relativistic
MOND theory that can recover the success of the standard $\Lambda$CDM model at
matching observations of the cosmic microwave background. This paper aims to
revisit the Newtonian and MOND approximations and the gravitational wave
analysis of... | [
{
"created": "Sun, 26 Feb 2023 12:23:41 GMT",
"version": "v1"
},
{
"created": "Wed, 15 Mar 2023 09:31:16 GMT",
"version": "v2"
}
] | 2023-03-16 | [
[
"Tian",
"Shuxun",
""
],
[
"Hou",
"Shaoqi",
""
],
[
"Cao",
"Shuo",
""
],
[
"Zhu",
"Zong-Hong",
""
]
] | The recently proposed Skordis-Z\l{}o\'{s}nik theory is the first relativistic MOND theory that can recover the success of the standard $\Lambda$CDM model at matching observations of the cosmic microwave background. This paper aims to revisit the Newtonian and MOND approximations and the gravitational wave analysis of t... |
1401.1506 | Chad Galley | Barry Wardell, Chad R. Galley, Anil Zenginoglu, Marc Casals, Sam R.
Dolan, Adrian C. Ottewill | Self-force via Green functions and worldline integration | 18 pages, 9 figures | Phys. Rev. D 89, 084021 (2014) | 10.1103/PhysRevD.89.084021 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | A compact object moving in curved spacetime interacts with its own
gravitational field. This leads to both dissipative and conservative
corrections to the motion, which can be interpreted as a self-force acting on
the object. The original formalism describing this self-force relied heavily on
the Green function of th... | [
{
"created": "Tue, 7 Jan 2014 21:00:46 GMT",
"version": "v1"
}
] | 2014-04-23 | [
[
"Wardell",
"Barry",
""
],
[
"Galley",
"Chad R.",
""
],
[
"Zenginoglu",
"Anil",
""
],
[
"Casals",
"Marc",
""
],
[
"Dolan",
"Sam R.",
""
],
[
"Ottewill",
"Adrian C.",
""
]
] | A compact object moving in curved spacetime interacts with its own gravitational field. This leads to both dissipative and conservative corrections to the motion, which can be interpreted as a self-force acting on the object. The original formalism describing this self-force relied heavily on the Green function of the ... |
1512.01934 | Liu Zhao | Xin Hao and Liu Zhao | Ricci polynomial gravity | 12 pages. v5: final version approved for publication in PRD | Phys. Rev. D 96, 124034 (2017) | 10.1103/PhysRevD.96.124034 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study a novel class of higher curvature gravity models in $n$ spacetime
dimensions which we call Ricci polynomial gravity. The action is consisted
purely of a polynomial in Ricci curvature of order $N$. In the absence of the
second order terms in the action, the models are ghost free around the
Minkowski vacuum. B... | [
{
"created": "Mon, 7 Dec 2015 07:39:43 GMT",
"version": "v1"
},
{
"created": "Wed, 9 Dec 2015 07:13:25 GMT",
"version": "v2"
},
{
"created": "Thu, 16 Nov 2017 07:52:09 GMT",
"version": "v3"
},
{
"created": "Mon, 20 Nov 2017 01:19:34 GMT",
"version": "v4"
},
{
"cre... | 2018-01-03 | [
[
"Hao",
"Xin",
""
],
[
"Zhao",
"Liu",
""
]
] | We study a novel class of higher curvature gravity models in $n$ spacetime dimensions which we call Ricci polynomial gravity. The action is consisted purely of a polynomial in Ricci curvature of order $N$. In the absence of the second order terms in the action, the models are ghost free around the Minkowski vacuum. By ... |
2308.09114 | Omar Valdivia O. Valdivia | Luis Avil\'es, Diego Hidalgo and Omar Valdivia | Thermodynamics of the three-dimensional black hole with torsion | 19 pages, comments welcome | null | null | null | gr-qc hep-th | http://creativecommons.org/licenses/by/4.0/ | The stationary black hole solution of a Chern-Simons model based on the
semi-simple extension of the Poincar\'e gauge group is studied. The solution
resembles the metric properties of the BTZ geometry but contains, in addition,
non-vanishing torsion. The global structure of spacetime is characterized by
three conserv... | [
{
"created": "Thu, 17 Aug 2023 17:45:01 GMT",
"version": "v1"
}
] | 2023-08-21 | [
[
"Avilés",
"Luis",
""
],
[
"Hidalgo",
"Diego",
""
],
[
"Valdivia",
"Omar",
""
]
] | The stationary black hole solution of a Chern-Simons model based on the semi-simple extension of the Poincar\'e gauge group is studied. The solution resembles the metric properties of the BTZ geometry but contains, in addition, non-vanishing torsion. The global structure of spacetime is characterized by three conserved... |
1905.09713 | Mariusz Dabrowski P. | Mariusz P. Dabrowski and Fabian Wagner | Extended Uncertainty Principle for Rindler and cosmological horizons | 7 pages, 6 figures, REVTEX 4.1, minor changes, refs updated | null | null | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We find exact formulas for the Extended Uncertainty Principle (EUP) for the
Rindler and Friedmann horizons and show that they can be expanded to obtain
asymptotic forms known from the previous literature. We calculate the
corrections to Hawking temperature and Bekenstein entropy of a black hole in
the universe due to... | [
{
"created": "Thu, 23 May 2019 15:18:15 GMT",
"version": "v1"
},
{
"created": "Tue, 28 May 2019 16:00:44 GMT",
"version": "v2"
}
] | 2019-05-29 | [
[
"Dabrowski",
"Mariusz P.",
""
],
[
"Wagner",
"Fabian",
""
]
] | We find exact formulas for the Extended Uncertainty Principle (EUP) for the Rindler and Friedmann horizons and show that they can be expanded to obtain asymptotic forms known from the previous literature. We calculate the corrections to Hawking temperature and Bekenstein entropy of a black hole in the universe due to R... |
gr-qc/9407002 | Don N. Page | Tomas Kopf, Pavel Krtous, and Don N. Page | Too Soon for Doom Gloom? | 12 pages, LaTeX, Alberta-Thy-17-94 | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The observation that we are among the first 10^{11} or so humans reduces the
prior probability that we find ourselves in a species whose total lifetime
number of individuals is much higher, according to arguments of Carter, Leslie,
Nielsen, and Gott. However, if we instead start with a prior probability that a
histor... | [
{
"created": "Mon, 4 Jul 1994 20:28:10 GMT",
"version": "v1"
},
{
"created": "Fri, 21 Dec 2012 19:38:27 GMT",
"version": "v2"
}
] | 2012-12-24 | [
[
"Kopf",
"Tomas",
""
],
[
"Krtous",
"Pavel",
""
],
[
"Page",
"Don N.",
""
]
] | The observation that we are among the first 10^{11} or so humans reduces the prior probability that we find ourselves in a species whose total lifetime number of individuals is much higher, according to arguments of Carter, Leslie, Nielsen, and Gott. However, if we instead start with a prior probability that a history ... |
gr-qc/0607036 | Muhammad Sharif | M. Sharif and Tariq Ismaeel | Symmetries of the Energy-Momentum Tensor: Some Basic Facts | 17 pages, accepted for publication in "Communications in Theoretical
Physics" | Commun.Theor.Phys.47:829-834,2007 | 10.1088/0253-6102/47/5/013 | null | gr-qc | null | It has been pointed by Hall et al. [1] that matter collinations can be
defined by using three different methods. But there arises the question of
whether one studies matter collineations by using the ${\cal L}_\xi T_{ab}=0$,
or ${\cal L}_\xi T^{ab}=0$ or ${\cal L}_\xi T_a^b=0$. These alternative
conditions are, of co... | [
{
"created": "Mon, 10 Jul 2006 10:38:02 GMT",
"version": "v1"
}
] | 2009-03-19 | [
[
"Sharif",
"M.",
""
],
[
"Ismaeel",
"Tariq",
""
]
] | It has been pointed by Hall et al. [1] that matter collinations can be defined by using three different methods. But there arises the question of whether one studies matter collineations by using the ${\cal L}_\xi T_{ab}=0$, or ${\cal L}_\xi T^{ab}=0$ or ${\cal L}_\xi T_a^b=0$. These alternative conditions are, of cour... |
gr-qc/0605143 | Masoud Alimohammadi | H. Mohseni Sadjadi and M. Alimohammadi | Transition from quintessence to phantom phase in quintom model | LaTeX, 19 pages, four figures, some minor changes in Introduction,
two figures added and the references updated, accepted for publication in
Phys. Rev. D | Phys.Rev. D74 (2006) 043506 | 10.1103/PhysRevD.74.043506 | null | gr-qc astro-ph hep-th | null | Assuming the Hubble parameter is a continuous and differentiable function of
comoving time, we investigate necessary conditions for quintessence to phantom
phase transition in quintom model. For power-law and exponential potential
examples, we study the behavior of dynamical dark energy fields and Hubble
parameter ne... | [
{
"created": "Mon, 29 May 2006 08:04:21 GMT",
"version": "v1"
},
{
"created": "Tue, 1 Aug 2006 11:40:39 GMT",
"version": "v2"
}
] | 2009-11-11 | [
[
"Sadjadi",
"H. Mohseni",
""
],
[
"Alimohammadi",
"M.",
""
]
] | Assuming the Hubble parameter is a continuous and differentiable function of comoving time, we investigate necessary conditions for quintessence to phantom phase transition in quintom model. For power-law and exponential potential examples, we study the behavior of dynamical dark energy fields and Hubble parameter near... |
0911.3899 | Barak Kol | Shahar Hadar and Barak Kol | Post-ISCO Ringdown Amplitudes in Extreme Mass Ratio Inspiral | 21 pages, 5 figures. v4: added section with numerical evaluation of
the ringdown amplitudes | Phys.Rev.D84:044019,2011 | 10.1103/PhysRevD.84.044019 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | An extreme mass ratio inspiral consists of two parts: adiabatic inspiral and
plunge. The plunge trajectory from the innermost stable circular orbit (ISCO)
is special (somewhat independent of initial conditions). We write an expression
for its solution in closed-form and for the emitted waveform. In particular we
extr... | [
{
"created": "Fri, 20 Nov 2009 13:49:32 GMT",
"version": "v1"
},
{
"created": "Sun, 22 Nov 2009 19:20:34 GMT",
"version": "v2"
},
{
"created": "Mon, 7 Dec 2009 12:19:04 GMT",
"version": "v3"
},
{
"created": "Wed, 6 Apr 2011 17:35:39 GMT",
"version": "v4"
}
] | 2015-03-13 | [
[
"Hadar",
"Shahar",
""
],
[
"Kol",
"Barak",
""
]
] | An extreme mass ratio inspiral consists of two parts: adiabatic inspiral and plunge. The plunge trajectory from the innermost stable circular orbit (ISCO) is special (somewhat independent of initial conditions). We write an expression for its solution in closed-form and for the emitted waveform. In particular we extrac... |
1903.03430 | Ritabrata Biswas | Amritendu Haldar and Ritabrata Biswas | Thermodynamic Studies of Different Black Holes with Modifications of
Entropy | 15 figures | Astrophysics and Space Science 363 (2018)27 | 10.1007/s10509-017-3238-1 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In recent years, the thermodynamic properties of black holes are topics of
interests. We investigate the thermodynamic properties like surface gravity and
Hawking temperature on event horizon of regular black holes viz. {\it Hayward
Class} and {\it asymptotically AdS (Anti-de Sitter)} black holes. We also
analyze the... | [
{
"created": "Sun, 3 Mar 2019 03:17:34 GMT",
"version": "v1"
}
] | 2019-03-11 | [
[
"Haldar",
"Amritendu",
""
],
[
"Biswas",
"Ritabrata",
""
]
] | In recent years, the thermodynamic properties of black holes are topics of interests. We investigate the thermodynamic properties like surface gravity and Hawking temperature on event horizon of regular black holes viz. {\it Hayward Class} and {\it asymptotically AdS (Anti-de Sitter)} black holes. We also analyze the {... |
1510.02079 | Andr\'es Ace\~na | Andr\'es Ace\~na and Mar\'ia E. Gabach Cl\'ement | Extremal black hole initial data deformations | 21 pages, no figures, final version | Class. Quant. Grav., 33(11):115017, 2016 | 10.1088/0264-9381/33/11/115017 | null | gr-qc math-ph math.MP | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study deformations of axially symmetric initial data for Einstein-Maxwell
equations satisfying the time-rotation ($t$-$\phi$) symmetry and containing one
asymptotically cylindrical end and one asymptotically flat end. We find that
the $t$-$\phi$ symmetry implies the existence of a family of deformed data
having th... | [
{
"created": "Wed, 7 Oct 2015 19:52:00 GMT",
"version": "v1"
},
{
"created": "Mon, 23 May 2016 20:52:42 GMT",
"version": "v2"
}
] | 2016-05-25 | [
[
"Aceña",
"Andrés",
""
],
[
"Clément",
"María E. Gabach",
""
]
] | We study deformations of axially symmetric initial data for Einstein-Maxwell equations satisfying the time-rotation ($t$-$\phi$) symmetry and containing one asymptotically cylindrical end and one asymptotically flat end. We find that the $t$-$\phi$ symmetry implies the existence of a family of deformed data having the ... |
2212.10052 | Wan Cong Ms | Piotr T. Chru\'sciel and Wan Cong | Characteristic Gluing with $\Lambda$ 1. Linearised Einstein equations on
four-dimensional spacetimes | v3: Minor rewordings. Reformatting to match journal version | Beijing J. of Pure and Appl. Math., Volume 1, Number 2, 689-796,
2024 | null | null | gr-qc math-ph math.AP math.DG math.MP | http://creativecommons.org/licenses/by/4.0/ | We establish a gluing theorem for linearised vacuum gravitational fields in
Bondi gauge on a class of characteristic surfaces in static vacuum
four-dimensional backgrounds with cosmological constant $\Lambda \in
\mathbb{R}$ and arbitrary topology of the compact cross-sections of the null
hypersurface. This generalise... | [
{
"created": "Tue, 20 Dec 2022 07:56:05 GMT",
"version": "v1"
},
{
"created": "Mon, 8 Jan 2024 11:15:09 GMT",
"version": "v2"
},
{
"created": "Fri, 19 Jul 2024 06:39:53 GMT",
"version": "v3"
}
] | 2024-07-22 | [
[
"Chruściel",
"Piotr T.",
""
],
[
"Cong",
"Wan",
""
]
] | We establish a gluing theorem for linearised vacuum gravitational fields in Bondi gauge on a class of characteristic surfaces in static vacuum four-dimensional backgrounds with cosmological constant $\Lambda \in \mathbb{R}$ and arbitrary topology of the compact cross-sections of the null hypersurface. This generalises ... |
2205.02431 | Jie Jiang | Ming Zhang and Jie Jiang | Generalized Covariant Entropy Bound in Lanczos-Lovelock Gravity | 7 pages | null | 10.1103/PhysRevD.106.064002 | null | gr-qc | http://creativecommons.org/licenses/by/4.0/ | In this paper, we investigate the generalized covariant entropy bound in the
theory where the Einstein gravity is perturbed by the higher-order Lovelock
terms. After replacing the Bekenstein-Hawking entropy with the Jacobson-Myers
entropy and introducing two reasonable physical assumptions, we showed that the
corresp... | [
{
"created": "Thu, 5 May 2022 04:19:46 GMT",
"version": "v1"
}
] | 2022-09-14 | [
[
"Zhang",
"Ming",
""
],
[
"Jiang",
"Jie",
""
]
] | In this paper, we investigate the generalized covariant entropy bound in the theory where the Einstein gravity is perturbed by the higher-order Lovelock terms. After replacing the Bekenstein-Hawking entropy with the Jacobson-Myers entropy and introducing two reasonable physical assumptions, we showed that the correspon... |
1301.5362 | Guillermo Chac\'on-Acosta | E. Castellanos, G. Chacon-Acosta | Polymer Bose--Einstein Condensates | null | null | 10.1016/j.physletb.2013.04.009 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this work we analyze a non--interacting one dimensional polymer
Bose--Einstein condensate in an harmonic trap within the semiclassical
approximation. We use an effective Hamiltonian coming from the polymer
quantization that arises in loop quantum gravity. We calculate the number of
particles in order to obtain the... | [
{
"created": "Tue, 22 Jan 2013 23:56:12 GMT",
"version": "v1"
}
] | 2015-06-12 | [
[
"Castellanos",
"E.",
""
],
[
"Chacon-Acosta",
"G.",
""
]
] | In this work we analyze a non--interacting one dimensional polymer Bose--Einstein condensate in an harmonic trap within the semiclassical approximation. We use an effective Hamiltonian coming from the polymer quantization that arises in loop quantum gravity. We calculate the number of particles in order to obtain the c... |
1203.5030 | Victor Shchigolev Konstantinovich | V. K. Shchigolev, M. P. Rotova | Cosmological Model of Interacting Tachyon Field | 9 pages, 2 figures | Mod. Phys. Lett. A, Vol. 27, No. 17 (2012) 1250086 | 10.1142/S0217732312500861 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this paper we investigate a tachyon field model in cosmology, provided its
interaction with the quintessence or phantom fields.The model takes into
account this interaction beyond the usual approach, in which the interaction is
phenomenologically described by the energy flow between the matter components.
In our m... | [
{
"created": "Thu, 22 Mar 2012 16:20:44 GMT",
"version": "v1"
}
] | 2012-05-25 | [
[
"Shchigolev",
"V. K.",
""
],
[
"Rotova",
"M. P.",
""
]
] | In this paper we investigate a tachyon field model in cosmology, provided its interaction with the quintessence or phantom fields.The model takes into account this interaction beyond the usual approach, in which the interaction is phenomenologically described by the energy flow between the matter components. In our mod... |
2207.02138 | Martina Muratore | Martina Muratore, Olaf Hartwig, Daniele Vetrugno, Stefano Vitale,
William Joseph Weber | On the effectiveness of null TDI channels as instrument noise monitors
in LISA | null | null | null | null | gr-qc astro-ph.IM | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present a study of the use and limits of the Time-Delay Interferometry
null channels for in flight estimation of the Laser Interferometer Space
Antenna instrumental noise. The paper considers how the two main limiting noise
sources, test-mass acceleration noise and interferometric phase measurement
noise, propagat... | [
{
"created": "Tue, 5 Jul 2022 16:02:50 GMT",
"version": "v1"
},
{
"created": "Tue, 2 Aug 2022 14:35:09 GMT",
"version": "v2"
},
{
"created": "Thu, 2 Mar 2023 09:30:14 GMT",
"version": "v3"
}
] | 2023-03-03 | [
[
"Muratore",
"Martina",
""
],
[
"Hartwig",
"Olaf",
""
],
[
"Vetrugno",
"Daniele",
""
],
[
"Vitale",
"Stefano",
""
],
[
"Weber",
"William Joseph",
""
]
] | We present a study of the use and limits of the Time-Delay Interferometry null channels for in flight estimation of the Laser Interferometer Space Antenna instrumental noise. The paper considers how the two main limiting noise sources, test-mass acceleration noise and interferometric phase measurement noise, propagate ... |
2311.00131 | Alexey Golovnev | Alexey Golovnev | More on the fact that Rastall = GR | 6 pages; minor additions | Annals of Physics 461 (2024) 169580 | 10.1016/j.aop.2023.169580 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Rastall gravity is the same as General Relativity, with a simple algebraic
redefinition of what is called the energy-momentum tensor. Despite it having
been very clearly explained by M. Visser several years go, there are still many
papers claiming big differences between the two formulations of gravitational
equation... | [
{
"created": "Tue, 31 Oct 2023 20:10:01 GMT",
"version": "v1"
},
{
"created": "Thu, 2 Nov 2023 14:17:50 GMT",
"version": "v2"
},
{
"created": "Mon, 18 Dec 2023 08:28:10 GMT",
"version": "v3"
}
] | 2024-07-11 | [
[
"Golovnev",
"Alexey",
""
]
] | Rastall gravity is the same as General Relativity, with a simple algebraic redefinition of what is called the energy-momentum tensor. Despite it having been very clearly explained by M. Visser several years go, there are still many papers claiming big differences between the two formulations of gravitational equations ... |
2201.02016 | Hassan Firouzjahi | Hassan Firouzjahi | Cosmological constant problem on the horizon | v3: discussions improved, new references added, matches the PRD
version | null | null | null | gr-qc astro-ph.CO hep-ph hep-th | http://creativecommons.org/licenses/by/4.0/ | We revisit the quantum cosmological constant problem and highlight the
important roles played by the dS horizon of zero point energy. We argue that
fields which are light enough to have dS horizon of zero point energy
comparable to the FLRW Hubble radius are the main contributors to dark energy.
On the other hand, th... | [
{
"created": "Thu, 6 Jan 2022 11:29:11 GMT",
"version": "v1"
},
{
"created": "Fri, 3 Jun 2022 04:47:34 GMT",
"version": "v2"
},
{
"created": "Thu, 29 Sep 2022 06:41:00 GMT",
"version": "v3"
}
] | 2022-09-30 | [
[
"Firouzjahi",
"Hassan",
""
]
] | We revisit the quantum cosmological constant problem and highlight the important roles played by the dS horizon of zero point energy. We argue that fields which are light enough to have dS horizon of zero point energy comparable to the FLRW Hubble radius are the main contributors to dark energy. On the other hand, the ... |
1001.2726 | Josep M. Pons | J. M. Pons, D. C. Salisbury, K. A. Sundermeyer | Observables in classical canonical gravity: folklore demystified | 15 pages, To appear in Proceedings of 1st Mediterranean Conference on
Classical and Quantum Gravity. Corrected minor typos | null | 10.1088/1742-6596/222/1/012018 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We give an overview of some conceptual difficulties, sometimes called
paradoxes, that have puzzled for years the physical interpetation of classical
canonical gravity and, by extension, the canonical formulation of generally
covariant theories. We identify these difficulties as stemming form some
terminological misun... | [
{
"created": "Fri, 15 Jan 2010 16:21:25 GMT",
"version": "v1"
},
{
"created": "Wed, 12 May 2010 10:43:14 GMT",
"version": "v2"
}
] | 2015-05-18 | [
[
"Pons",
"J. M.",
""
],
[
"Salisbury",
"D. C.",
""
],
[
"Sundermeyer",
"K. A.",
""
]
] | We give an overview of some conceptual difficulties, sometimes called paradoxes, that have puzzled for years the physical interpetation of classical canonical gravity and, by extension, the canonical formulation of generally covariant theories. We identify these difficulties as stemming form some terminological misunde... |
gr-qc/9303033 | null | Joseph D. Romano | Scalar and Spinor Fields in Signature Changing Spacetimes | 13 pages (Latex file), UMDGR-93-28 | Phys.Rev. D47 (1993) 4328-4333 | 10.1103/PhysRevD.47.4328 | null | gr-qc | null | The propagation of scalar and spinor fields in a spacetime whose metric
changes signature is analyzed. Recent work of Dray et al. on particle
production from signature change for a (massless) scalar field is reviewed, and
an attempt is made to extend their analysis to the case of a (massless)
spin-half field. In cont... | [
{
"created": "Fri, 26 Mar 1993 22:45:00 GMT",
"version": "v1"
}
] | 2009-10-22 | [
[
"Romano",
"Joseph D.",
""
]
] | The propagation of scalar and spinor fields in a spacetime whose metric changes signature is analyzed. Recent work of Dray et al. on particle production from signature change for a (massless) scalar field is reviewed, and an attempt is made to extend their analysis to the case of a (massless) spin-half field. In contra... |
gr-qc/9408031 | null | E. I. Guendelman and A. B. Kaganovich | Kaluza -- Klein Quantum Cosmology with Primordial Negative Cosmological
Constant | 5 pages, Latex, BGU-94/17/August-PH | Grav.Cosmol. 1 (1995) 103-105 | null | null | gr-qc | null | In many interesting models, including superstring theories, a negative vacuum
energy is predicted. Although this effect is usually regarded as undesirable
from a cosmological point of view, we show that this can be the basis for a new
approach to the cosmology of the early Universe. In the framework of quantum
cosmol... | [
{
"created": "Thu, 25 Aug 1994 19:52:00 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Guendelman",
"E. I.",
""
],
[
"Kaganovich",
"A. B.",
""
]
] | In many interesting models, including superstring theories, a negative vacuum energy is predicted. Although this effect is usually regarded as undesirable from a cosmological point of view, we show that this can be the basis for a new approach to the cosmology of the early Universe. In the framework of quantum cosmolog... |
2402.07951 | Parth Shah Dr. | Pooja Vishwakarma and Parth Shah | Qualitative behaviour of higher-curvature gravity with boundary terms
i.e the f(Q) gravity models by dynamical system analysis | 15 pages, 4 figures (accepted for publication in EPJC) | Eur. Phys. J. C 84, 159 (2024) | 10.1140/epjc/s10052-024-12523-0 | null | gr-qc hep-th | http://creativecommons.org/licenses/by/4.0/ | The higher-curvature gravity with boundary terms i.e the $f(Q)$ theories,
grounded on non-metricity as a fundamental geometric quantity, exhibit
remarkable efficacy in portraying late-time universe phenomena. The aim is to
delineate constraints on two prevalent models within this framework, namely the
Log-square-root... | [
{
"created": "Sat, 10 Feb 2024 07:15:59 GMT",
"version": "v1"
}
] | 2024-02-20 | [
[
"Vishwakarma",
"Pooja",
""
],
[
"Shah",
"Parth",
""
]
] | The higher-curvature gravity with boundary terms i.e the $f(Q)$ theories, grounded on non-metricity as a fundamental geometric quantity, exhibit remarkable efficacy in portraying late-time universe phenomena. The aim is to delineate constraints on two prevalent models within this framework, namely the Log-square-root m... |
gr-qc/0009104 | A. Heidmann | M. Cerdonio, L. Conti, A. Heidmann and M. Pinard | Thermoelastic effects at low temperatures and quantum limits in
displacement measurements | 9 pages, 2 figures | Phys.Rev. D63 (2001) 082003 | 10.1103/PhysRevD.63.082003 | null | gr-qc quant-ph | null | The displacement fluctuations of mirrors in optomechanical devices, induced
via thermal expansion by temperature fluctuations due either to thermodynamic
fluctuations or to fluctuations in the photon absorption, can be made smaller
than quantum fluctuations, at the low temperatures, high reflectivities and
high light... | [
{
"created": "Fri, 29 Sep 2000 17:02:49 GMT",
"version": "v1"
},
{
"created": "Wed, 10 Jan 2001 17:40:08 GMT",
"version": "v2"
}
] | 2009-10-31 | [
[
"Cerdonio",
"M.",
""
],
[
"Conti",
"L.",
""
],
[
"Heidmann",
"A.",
""
],
[
"Pinard",
"M.",
""
]
] | The displacement fluctuations of mirrors in optomechanical devices, induced via thermal expansion by temperature fluctuations due either to thermodynamic fluctuations or to fluctuations in the photon absorption, can be made smaller than quantum fluctuations, at the low temperatures, high reflectivities and high light p... |
0710.5722 | Martin Bojowald | Martin Bojowald and Rupam Das | Canonical Gravity with Fermions | 17 pages; v2: new discussion of parity, more general non-minimal
coupling, less details of constraint analysis | Phys.Rev.D78:064009,2008 | 10.1103/PhysRevD.78.064009 | IGC-07/10-4, ESI-1957 | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Canonical gravity in real Ashtekar-Barbero variables is generalized to allow
for fermionic matter. The resulting torsion changes several expressions in
Holst's original vacuum analysis, which are summarized here. This in turn
requires adaptations to the known loop quantization of gravity coupled to
fermions, which is... | [
{
"created": "Tue, 30 Oct 2007 18:53:28 GMT",
"version": "v1"
},
{
"created": "Tue, 17 Jun 2008 14:10:24 GMT",
"version": "v2"
}
] | 2008-11-07 | [
[
"Bojowald",
"Martin",
""
],
[
"Das",
"Rupam",
""
]
] | Canonical gravity in real Ashtekar-Barbero variables is generalized to allow for fermionic matter. The resulting torsion changes several expressions in Holst's original vacuum analysis, which are summarized here. This in turn requires adaptations to the known loop quantization of gravity coupled to fermions, which is d... |
2405.08050 | Tamal Mukhopadhyay | Tamal Mukhopadhyay, Banadipa Chakraborty, Anamika Kotal and Ujjal
Debnath | Reconstructions of $f(\mathcal{P})$ and $f(\mathcal{Q})$ gravity models
from $(m,n)$-type Barrow Holographic Dark Energy | null | null | null | null | gr-qc astro-ph.CO | http://creativecommons.org/licenses/by/4.0/ | In this work, we have reconstructed the extended $f(\mathcal{P})$ cubic
gravity and symmetric $f(\mathcal{Q})$ teleparallel gravity from $(m,n)$-type
Barrow Holographic Dark Energy (BHDE) and find the unknown functions
$f(\mathcal{P})$ and $f(\mathcal{Q})$ in terms of $\mathcal{P}$ and
$\mathcal{Q}$ by taking the uni... | [
{
"created": "Mon, 13 May 2024 16:17:03 GMT",
"version": "v1"
}
] | 2024-05-15 | [
[
"Mukhopadhyay",
"Tamal",
""
],
[
"Chakraborty",
"Banadipa",
""
],
[
"Kotal",
"Anamika",
""
],
[
"Debnath",
"Ujjal",
""
]
] | In this work, we have reconstructed the extended $f(\mathcal{P})$ cubic gravity and symmetric $f(\mathcal{Q})$ teleparallel gravity from $(m,n)$-type Barrow Holographic Dark Energy (BHDE) and find the unknown functions $f(\mathcal{P})$ and $f(\mathcal{Q})$ in terms of $\mathcal{P}$ and $\mathcal{Q}$ by taking the unive... |
2107.09143 | Pablo Andr\'es Lizardo Romo | Andr\'es Lizardo, Javier Chagoya, C. Ortiz | On phenomenological parametrizations for the luminosity distance of
gravitational waves | 19 pages, 3 figures | null | 10.1142/S0218271822501097 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The propagation of gravitational waves offers new possibilities for testing
the theory of gravity. Amongst these possibilities there is the luminosity
distance of gravitational waves, $d_{gw}$. It has been proposed to study this
property by means of phenomenological parametrizations, which in this work we
confront to... | [
{
"created": "Mon, 19 Jul 2021 20:34:35 GMT",
"version": "v1"
},
{
"created": "Wed, 27 Oct 2021 18:56:30 GMT",
"version": "v2"
},
{
"created": "Wed, 15 Mar 2023 19:47:13 GMT",
"version": "v3"
}
] | 2023-03-17 | [
[
"Lizardo",
"Andrés",
""
],
[
"Chagoya",
"Javier",
""
],
[
"Ortiz",
"C.",
""
]
] | The propagation of gravitational waves offers new possibilities for testing the theory of gravity. Amongst these possibilities there is the luminosity distance of gravitational waves, $d_{gw}$. It has been proposed to study this property by means of phenomenological parametrizations, which in this work we confront to t... |
1804.03113 | Marek Szydlowski | Aleksander Stachowski, Marek Szydlowski, Krzysztof Urbanowski | From quantum unstable systems to the decaying dark energy: Cosmological
implications | RevTeX 4-1, 18 pages, 5 figures | Advances in High Energy Physics 2018, 7080232 (2018) | 10.1155/2018/7080232 | null | gr-qc astro-ph.CO hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider a cosmology with decaying metastable dark energy and assume that
a decay process of this metastable dark energy is a quantum decay process. Such
an assumption implies among others that the evolution of the Universe is
irreversible and violates the time reversal symmetry. We show that if to
replace the cos... | [
{
"created": "Mon, 9 Apr 2018 17:22:00 GMT",
"version": "v1"
}
] | 2019-09-27 | [
[
"Stachowski",
"Aleksander",
""
],
[
"Szydlowski",
"Marek",
""
],
[
"Urbanowski",
"Krzysztof",
""
]
] | We consider a cosmology with decaying metastable dark energy and assume that a decay process of this metastable dark energy is a quantum decay process. Such an assumption implies among others that the evolution of the Universe is irreversible and violates the time reversal symmetry. We show that if to replace the cosmo... |
2006.00761 | Diego Rubiera-Garcia | Merce Guerrero, Gerardo Mora-P\'erez, Gonzalo J. Olmo, Emanuele Orazi,
Diego Rubiera-Garcia | Rotating black holes in Eddington-inspired Born-Infeld gravity: an exact
solution | 17 double column pages, 7 figures, revtex4-1 style | JCAP 07 (2020) 058 | 10.1088/1475-7516/2020/07/058 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We find an exact, rotating charged black hole solution within
Eddington-inspired Born-Infeld gravity. To this end we employ a recently
developed correspondence or {\it mapping} between modified gravity models built
as scalars out of contractions of the metric with the Ricci tensor, and
formulated in metric-affine spa... | [
{
"created": "Mon, 1 Jun 2020 07:28:24 GMT",
"version": "v1"
}
] | 2021-02-02 | [
[
"Guerrero",
"Merce",
""
],
[
"Mora-Pérez",
"Gerardo",
""
],
[
"Olmo",
"Gonzalo J.",
""
],
[
"Orazi",
"Emanuele",
""
],
[
"Rubiera-Garcia",
"Diego",
""
]
] | We find an exact, rotating charged black hole solution within Eddington-inspired Born-Infeld gravity. To this end we employ a recently developed correspondence or {\it mapping} between modified gravity models built as scalars out of contractions of the metric with the Ricci tensor, and formulated in metric-affine space... |
2311.02145 | Pardyumn Kumar Sahoo | Oleksii Sokoliuk, Sneha Pradhan, Alexander Baransky and P.K. Sahoo | AdS black hole thermodynamics and microstructures from $f(Q)$
gravitation | Fortschr. Phys. published version | Fortschr. Phys. 72 (2024), 2300043 | 10.1002/prop.202300043 | null | gr-qc | http://creativecommons.org/licenses/by/4.0/ | The significant properties and phase transition of charged Anti-de Sitter
(AdS) black holes have been extensively studied in a variety of modified
theories of gravity in the presence of numerous matter fields. The goal of our
current research is to investigate the AdS black hole's thermodynamics under
the impact of $... | [
{
"created": "Fri, 3 Nov 2023 17:29:32 GMT",
"version": "v1"
}
] | 2024-01-10 | [
[
"Sokoliuk",
"Oleksii",
""
],
[
"Pradhan",
"Sneha",
""
],
[
"Baransky",
"Alexander",
""
],
[
"Sahoo",
"P. K.",
""
]
] | The significant properties and phase transition of charged Anti-de Sitter (AdS) black holes have been extensively studied in a variety of modified theories of gravity in the presence of numerous matter fields. The goal of our current research is to investigate the AdS black hole's thermodynamics under the impact of $f(... |
0909.2411 | Hajime Sotani | Hajime Sotani | Probing Tensor-Vector-Scalar Theory with Gravitational Wave
Asteroseismology | Accepted for publication in PRD | Phys.Rev.D80:064035,2009 | 10.1103/PhysRevD.80.064035 | null | gr-qc astro-ph.HE | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In order to examine the gravitational waves emitted from the neutron stars in
the tensor-vector-scalar (TeVeS) theory, we derive the perturbation equations
for relativistic stars, where for simplicity we omit the perturbations of
vector field. That is, we consider the perturbations of scalar and tensor
fields. With t... | [
{
"created": "Sun, 13 Sep 2009 10:35:03 GMT",
"version": "v1"
}
] | 2010-04-30 | [
[
"Sotani",
"Hajime",
""
]
] | In order to examine the gravitational waves emitted from the neutron stars in the tensor-vector-scalar (TeVeS) theory, we derive the perturbation equations for relativistic stars, where for simplicity we omit the perturbations of vector field. That is, we consider the perturbations of scalar and tensor fields. With thi... |
2004.10620 | Cheng-Yong Zhang | Peng Liu, Chao Niu, Cheng-Yong Zhang | Instability of regularized 4D charged Einstein-Gauss-Bonnet de-Sitter
black holes | 22 pages, 10 figures | Chin.Phys.C 45 (2021) 2, 025104 | 10.1088/1674-1137/abcd2d | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We studied the instability of the regularized 4D charged
Einstein-Gauss-Bonnet de-Sitter black holes under charged scalar perturbations.
The unstable modes satisfy the superradiant condition, but not all modes
satisfying the superradiant condition are unstable. The instability occurs when
the cosmological constant is... | [
{
"created": "Wed, 22 Apr 2020 15:03:23 GMT",
"version": "v1"
},
{
"created": "Fri, 16 Apr 2021 07:10:48 GMT",
"version": "v2"
},
{
"created": "Fri, 1 Oct 2021 03:05:01 GMT",
"version": "v3"
}
] | 2022-07-27 | [
[
"Liu",
"Peng",
""
],
[
"Niu",
"Chao",
""
],
[
"Zhang",
"Cheng-Yong",
""
]
] | We studied the instability of the regularized 4D charged Einstein-Gauss-Bonnet de-Sitter black holes under charged scalar perturbations. The unstable modes satisfy the superradiant condition, but not all modes satisfying the superradiant condition are unstable. The instability occurs when the cosmological constant is s... |
gr-qc/0402112 | Alejandro Perez | Karim Noui and Alejandro Perez | Dynamics of loop quantum gravity and spin foam models in three
dimensions | To appear in the procedings of the Third International Symposium on
Quantum Theory and Symmetries (QTS3), September 2003 | null | 10.1142/9789812702340_0077 | null | gr-qc | null | We present a rigorous regularization of Rovellis's generalized projection
operator in canonical 2+1 gravity. This work establishes a clear-cut connection
between loop quantum gravity and the spin foam approach in this simplified
setting. The point of view adopted here provides a new perspective to tackle
the problem ... | [
{
"created": "Wed, 25 Feb 2004 03:42:52 GMT",
"version": "v1"
},
{
"created": "Fri, 19 Mar 2004 21:10:13 GMT",
"version": "v2"
}
] | 2017-08-23 | [
[
"Noui",
"Karim",
""
],
[
"Perez",
"Alejandro",
""
]
] | We present a rigorous regularization of Rovellis's generalized projection operator in canonical 2+1 gravity. This work establishes a clear-cut connection between loop quantum gravity and the spin foam approach in this simplified setting. The point of view adopted here provides a new perspective to tackle the problem of... |
1008.4193 | Tiberiu Harko | Tiberiu Harko, Francisco S. N. Lobo | f(R,L_m) gravity | 6 pages, no figures; minor modifications, references added; accepted
for publication in EPJ C | Eur.Phys.J.C70:373-379,2010 | 10.1140/epjc/s10052-010-1467-3 | null | gr-qc astro-ph.CO hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We generalize the $f(R)$ type gravity models by assuming that the
gravitational Lagrangian is given by an arbitrary function of the Ricci scalar
$R$ and of the matter Lagrangian $L_m$. We obtain the gravitational field
equations in the metric formalism, as well as the equations of motion for test
particles, which fol... | [
{
"created": "Wed, 25 Aug 2010 02:59:52 GMT",
"version": "v1"
},
{
"created": "Mon, 4 Oct 2010 05:03:05 GMT",
"version": "v2"
}
] | 2011-02-09 | [
[
"Harko",
"Tiberiu",
""
],
[
"Lobo",
"Francisco S. N.",
""
]
] | We generalize the $f(R)$ type gravity models by assuming that the gravitational Lagrangian is given by an arbitrary function of the Ricci scalar $R$ and of the matter Lagrangian $L_m$. We obtain the gravitational field equations in the metric formalism, as well as the equations of motion for test particles, which follo... |
2306.14966 | Llibert Arest\'e Sal\'o | Llibert Arest\'e Sal\'o, Katy Clough and Pau Figueras | Puncture gauge formulation for Einstein-Gauss-Bonnet gravity and
four-derivative scalar-tensor theories in $d+1$ spacetime dimensions | Version accepted for publication in PRD | null | null | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We develop a modified CCZ4 formulation of the Einstein equations in $d+1$
spacetime dimensions for general relativity plus a Gauss-Bonnet term, as well
as for the most general parity-invariant scalar-tensor theory of gravity up to
four derivatives. We demonstrate well-posedness for both theories and provide
full expr... | [
{
"created": "Mon, 26 Jun 2023 18:00:14 GMT",
"version": "v1"
},
{
"created": "Tue, 12 Sep 2023 14:55:23 GMT",
"version": "v2"
}
] | 2023-09-13 | [
[
"Saló",
"Llibert Aresté",
""
],
[
"Clough",
"Katy",
""
],
[
"Figueras",
"Pau",
""
]
] | We develop a modified CCZ4 formulation of the Einstein equations in $d+1$ spacetime dimensions for general relativity plus a Gauss-Bonnet term, as well as for the most general parity-invariant scalar-tensor theory of gravity up to four derivatives. We demonstrate well-posedness for both theories and provide full expres... |
1103.5918 | Ratbay Myrzakulov | P. Tsyba, K. Yerzhanov, K. Esmakhanova, I. Kulnazarov, G. Nugmanova,
R. Myrzakulov | Reconstruction of f-essence and fermionic Chaplygin gas models of dark
energy | 10 pages, typos corrected, new section 4 added, refs added, main
results unchanged | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Recently, it was proposed a new fermionic model of dark energy, the so-called
f-essence. In this work, we explicitly reconstruct the different f-essence
models. In particular, these models include the fermionic Chaplygin gas and the
fermionic generalized Chaplygin gas models of dark energy. We also derive the
equatio... | [
{
"created": "Wed, 30 Mar 2011 13:17:01 GMT",
"version": "v1"
},
{
"created": "Tue, 5 Apr 2011 12:58:05 GMT",
"version": "v2"
}
] | 2011-04-06 | [
[
"Tsyba",
"P.",
""
],
[
"Yerzhanov",
"K.",
""
],
[
"Esmakhanova",
"K.",
""
],
[
"Kulnazarov",
"I.",
""
],
[
"Nugmanova",
"G.",
""
],
[
"Myrzakulov",
"R.",
""
]
] | Recently, it was proposed a new fermionic model of dark energy, the so-called f-essence. In this work, we explicitly reconstruct the different f-essence models. In particular, these models include the fermionic Chaplygin gas and the fermionic generalized Chaplygin gas models of dark energy. We also derive the equation ... |
gr-qc/0502107 | Noriko Shiiki | Noriko Shiiki, Nobuyuki Sawado | Black Hole Skyrmions with Negative Cosmological Constant | 9 pages, 8 figures. Comments, one figure and two references added, to
appear in Phys. Rev. D | Phys.Rev. D71 (2005) 104031 | 10.1103/PhysRevD.71.104031 | null | gr-qc | null | We study spherically symmetric black hole solutions with Skyrme hair in the
Einstein-Skyrme theory with a negative cosmological constant. The dependence of
the skyrmion field configuration on the cosmological constant is examined. The
stability is investigated in detail by solving the linearly perturbed equation
nume... | [
{
"created": "Fri, 25 Feb 2005 07:27:29 GMT",
"version": "v1"
},
{
"created": "Sun, 8 May 2005 06:32:21 GMT",
"version": "v2"
}
] | 2009-11-11 | [
[
"Shiiki",
"Noriko",
""
],
[
"Sawado",
"Nobuyuki",
""
]
] | We study spherically symmetric black hole solutions with Skyrme hair in the Einstein-Skyrme theory with a negative cosmological constant. The dependence of the skyrmion field configuration on the cosmological constant is examined. The stability is investigated in detail by solving the linearly perturbed equation numeri... |
gr-qc/0610052 | Joseph Katz | Joseph Katz, Donald Lynden-Bell and Jiri Bicak | Gravitational energy in stationary spacetimes | Accepted for publication in Class. Quantum Grav | Class.Quant.Grav. 23 (2006) 7111-7128 | 10.1088/0264-9381/23/23/030 | null | gr-qc | null | Static observers remain on Killing-vector world lines and measure the
rest-mass+kinetic energies of particles moving past them, and the flux of that
mechanical energy through space and time. The total mechanical energy is the
total flux through a spacelike cut at one time. The difference between the
total mass-energy... | [
{
"created": "Wed, 11 Oct 2006 10:01:16 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Katz",
"Joseph",
""
],
[
"Lynden-Bell",
"Donald",
""
],
[
"Bicak",
"Jiri",
""
]
] | Static observers remain on Killing-vector world lines and measure the rest-mass+kinetic energies of particles moving past them, and the flux of that mechanical energy through space and time. The total mechanical energy is the total flux through a spacelike cut at one time. The difference between the total mass-energy a... |
gr-qc/9707030 | Ioan Vancea | Ion V. Vancea | Observables of the Euclidean Supergravity | Revised version, some misprints in the ecuations (11), (13) and (17)
corrected. The errors in the published version will appear cortected in a
future erratum | Phys.Rev.Lett. 79 (1997) 3121-3124; Erratum-ibid. 80 (1998) 1355 | 10.1103/PhysRevLett.79.3121 | Phys. Rev. Lett. 79, 3121 (1997) | gr-qc hep-th | null | The set of constraints under which the eigenvalues of the Dirac operator can
play the role of the dynamical variables for Euclidean supergravity is derived.
These constraints arise when the gauge invariance of the eigenvalues of the
Dirac operator is imposed. They impose conditions which restrict the
eigenspinors of ... | [
{
"created": "Mon, 14 Jul 1997 13:44:18 GMT",
"version": "v1"
},
{
"created": "Tue, 15 Jul 1997 16:43:07 GMT",
"version": "v2"
},
{
"created": "Tue, 9 Sep 1997 19:49:03 GMT",
"version": "v3"
},
{
"created": "Fri, 24 Oct 1997 11:02:23 GMT",
"version": "v4"
},
{
"cr... | 2009-10-30 | [
[
"Vancea",
"Ion V.",
""
]
] | The set of constraints under which the eigenvalues of the Dirac operator can play the role of the dynamical variables for Euclidean supergravity is derived. These constraints arise when the gauge invariance of the eigenvalues of the Dirac operator is imposed. They impose conditions which restrict the eigenspinors of th... |
1210.7354 | Mehran Kamarpour | Mehran Kamarpour | Non-gaussianity in axion N-flation models Quadratic and $\lambda\phi^4$
plus axion potentials | 28 pages,2 tables | null | null | null | gr-qc astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this paper we investigate large non-gaussianity in axion N-flation models,
taking account while dynamically a large number of axions begin away from the
hilltop region(come down from the hill) and so serve only to be the source of
the Hubble rate. Therefore the single field stays closest to the hilltop
sources the... | [
{
"created": "Sat, 27 Oct 2012 18:20:03 GMT",
"version": "v1"
}
] | 2012-10-30 | [
[
"Kamarpour",
"Mehran",
""
]
] | In this paper we investigate large non-gaussianity in axion N-flation models, taking account while dynamically a large number of axions begin away from the hilltop region(come down from the hill) and so serve only to be the source of the Hubble rate. Therefore the single field stays closest to the hilltop sources the n... |
gr-qc/0504030 | Rajeev Bhalerao | Budh Ram, Arun Ram, Nilam Ram | The quantum black hole | 13 pages, no figs. v2: minor typos corrected. conclusions unchanged | null | null | null | gr-qc astro-ph quant-ph | null | The quantum nature of a black hole is revealed using the simplest terms that
one learns in undergraduate and beginning graduate courses. The exposition
demonstrates -- vividly -- the importance and power of the quantum oscillator
in contemporary research in theoretical physics.
| [
{
"created": "Thu, 7 Apr 2005 14:17:53 GMT",
"version": "v1"
},
{
"created": "Wed, 28 Dec 2005 08:58:26 GMT",
"version": "v2"
}
] | 2007-05-23 | [
[
"Ram",
"Budh",
""
],
[
"Ram",
"Arun",
""
],
[
"Ram",
"Nilam",
""
]
] | The quantum nature of a black hole is revealed using the simplest terms that one learns in undergraduate and beginning graduate courses. The exposition demonstrates -- vividly -- the importance and power of the quantum oscillator in contemporary research in theoretical physics. |
1607.08533 | Antonio Enea Romano | Antonio Enea Romano | General background conditions for K-bounce and adiabaticity | 17 pages, 11 figures, version accepted for publication | Eur.Phys.J. C77 (2017) no.3, 147 | 10.1140/epjc/s10052-017-4698-8 | null | gr-qc astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the background conditions for a bounce uniquely driven by a single
scalar field model with a generalized kinetic term $K(X)$, without any
additional matter field. At the background level we impose the existence of two
turning points where the derivative of the Hubble parameter $H$ changes sign
and of a bounc... | [
{
"created": "Thu, 28 Jul 2016 16:54:39 GMT",
"version": "v1"
},
{
"created": "Fri, 9 Dec 2016 18:26:29 GMT",
"version": "v2"
},
{
"created": "Wed, 15 Mar 2017 02:06:07 GMT",
"version": "v3"
}
] | 2017-03-16 | [
[
"Romano",
"Antonio Enea",
""
]
] | We study the background conditions for a bounce uniquely driven by a single scalar field model with a generalized kinetic term $K(X)$, without any additional matter field. At the background level we impose the existence of two turning points where the derivative of the Hubble parameter $H$ changes sign and of a bounce ... |
0709.2041 | Shahar Hod | Shahar Hod | A note on the quantization of a multi-horizon black hole | 6 pages | Class.Quant.Grav.24:4871-4874,2007 | 10.1088/0264-9381/24/18/N01 | null | gr-qc astro-ph hep-th | null | We consider the quasinormal spectrum of a charged scalar field in the
(charged) Reissner-Nordstrom spacetime, which has two horizons. The spectrum is
characterized by two distinct families of asymptotic resonances. We suggest and
demonstrate the according to Bohr's correspondence principle and in agreement
with the B... | [
{
"created": "Thu, 13 Sep 2007 10:59:58 GMT",
"version": "v1"
}
] | 2010-10-27 | [
[
"Hod",
"Shahar",
""
]
] | We consider the quasinormal spectrum of a charged scalar field in the (charged) Reissner-Nordstrom spacetime, which has two horizons. The spectrum is characterized by two distinct families of asymptotic resonances. We suggest and demonstrate the according to Bohr's correspondence principle and in agreement with the Bek... |
1701.02381 | Sebasti\'an Bahamonde | Sebastian Bahamonde, Sergei D. Odintsov, V.K. Oikonomou, Petr
V.Tretyakov | Deceleration versus Acceleration Universe in Different Frames of $F(R)$
Gravity | To appear in Physics Letters B. Some corrections added | null | 10.1016/j.physletb.2017.01.012 | null | gr-qc astro-ph.CO hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this paper we study the occurrence of accelerating universe versus
decelerating universe between the F(R) gravity frame (Jordan frame) and
non-minimally coupled scalar field theory frame, and the minimally coupled
scalar field theory frame (Einstein frame) for various models. As we show, if
acceleration is imposed... | [
{
"created": "Mon, 9 Jan 2017 22:43:34 GMT",
"version": "v1"
},
{
"created": "Sun, 15 Jan 2017 13:37:29 GMT",
"version": "v2"
}
] | 2017-01-17 | [
[
"Bahamonde",
"Sebastian",
""
],
[
"Odintsov",
"Sergei D.",
""
],
[
"Oikonomou",
"V. K.",
""
],
[
"Tretyakov",
"Petr V.",
""
]
] | In this paper we study the occurrence of accelerating universe versus decelerating universe between the F(R) gravity frame (Jordan frame) and non-minimally coupled scalar field theory frame, and the minimally coupled scalar field theory frame (Einstein frame) for various models. As we show, if acceleration is imposed i... |
0805.1160 | Thomas Sotiriou | Thomas P. Sotiriou | The viability of theories with matter coupled to the Ricci scalar | typos corrected, published version | Phys.Lett.B664:225-228,2008 | 10.1016/j.physletb.2008.05.050 | null | gr-qc astro-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Recently there has been a proposal for modified gravitational f(R) actions
which include a direct coupling between the matter action and the Ricci scalar,
R. Of particular interest is the specific case where both the action and the
coupling are linear in R. It is shown that such an action leads to a theory of
gravity... | [
{
"created": "Thu, 8 May 2008 19:53:33 GMT",
"version": "v1"
},
{
"created": "Wed, 11 Jun 2008 16:58:31 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Sotiriou",
"Thomas P.",
""
]
] | Recently there has been a proposal for modified gravitational f(R) actions which include a direct coupling between the matter action and the Ricci scalar, R. Of particular interest is the specific case where both the action and the coupling are linear in R. It is shown that such an action leads to a theory of gravity w... |
1803.04632 | Hyeong-Chan Kim | Hyeong-Chan Kim | Growth of a Black Hole on a Self-Gravitating Radiation | title changed, 6 pages, no figures | null | 10.1140/epjc/s10052-018-6487-4 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We feed a black hole on a self-gravitating radiation and observe what happens
during the process. Considering a spherical shell of radiation, we show that
the contribution of self-gravity makes the thermodynamic interaction through
the bottom of the shell be distinguished from thermodynamic interaction through
its to... | [
{
"created": "Tue, 13 Mar 2018 05:50:49 GMT",
"version": "v1"
},
{
"created": "Wed, 2 May 2018 00:26:51 GMT",
"version": "v2"
}
] | 2018-12-26 | [
[
"Kim",
"Hyeong-Chan",
""
]
] | We feed a black hole on a self-gravitating radiation and observe what happens during the process. Considering a spherical shell of radiation, we show that the contribution of self-gravity makes the thermodynamic interaction through the bottom of the shell be distinguished from thermodynamic interaction through its top.... |
gr-qc/9210007 | Arley Anderson | Arlen Anderson | Unitary Equivalence of the Metric and Holonomy Formulations of 2+1
Dimensional Quantum Gravity on the Torus | 31 pages LaTeX [Important Revision: a section is added constructing
the inner product/Hilbert space for the Witten-Carlip holonomy formulation;
the proof of unitary equivalence of the metric and holonomy formulations is
then completed. Other additions include discussion of relation of canonical
and unitary tran... | null | 10.1103/PhysRevD.47.4458 | Imperial/TP/92-93/02 | gr-qc hep-th | null | Recent work on canonical transformations in quantum mechanics is applied to
transform between the Moncrief metric formulation and the Witten-Carlip
holonomy formulation of 2+1-dimensional quantum gravity on the torus. A
non-polynomial factor ordering of the classical canonical transformation
between the metric and ho... | [
{
"created": "Tue, 13 Oct 1992 08:01:41 GMT",
"version": "v1"
},
{
"created": "Thu, 31 Dec 1992 16:53:09 GMT",
"version": "v2"
}
] | 2009-10-22 | [
[
"Anderson",
"Arlen",
""
]
] | Recent work on canonical transformations in quantum mechanics is applied to transform between the Moncrief metric formulation and the Witten-Carlip holonomy formulation of 2+1-dimensional quantum gravity on the torus. A non-polynomial factor ordering of the classical canonical transformation between the metric and holo... |
1803.05443 | Shahar Hod | Shahar Hod | Quasinormal modes and strong cosmic censorship in near-extremal
Kerr-Newman-de Sitter black-hole spacetimes | 9 pages | Physics Letters B 780, 221 (2018) | 10.1016/j.physletb.2018.03.020 | null | gr-qc astro-ph.HE hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The quasinormal resonant modes of massless neutral fields in near-extremal
Kerr-Newman-de Sitter black-hole spacetimes are calculated in the eikonal
regime. It is explicitly proved that, in the angular momentum regime ${\bar a}>
\sqrt{{{1-2{\bar\Lambda}}\over{4+{\bar\Lambda}/3}}}$, the black-hole spacetimes
are chara... | [
{
"created": "Wed, 14 Mar 2018 18:00:05 GMT",
"version": "v1"
}
] | 2018-04-04 | [
[
"Hod",
"Shahar",
""
]
] | The quasinormal resonant modes of massless neutral fields in near-extremal Kerr-Newman-de Sitter black-hole spacetimes are calculated in the eikonal regime. It is explicitly proved that, in the angular momentum regime ${\bar a}> \sqrt{{{1-2{\bar\Lambda}}\over{4+{\bar\Lambda}/3}}}$, the black-hole spacetimes are charact... |
2202.09010 | Matt Visser | Joshua Baines, Thomas Berry, Alex Simpson, and Matt Visser (Victoria
University of Wellington) | Constant-$r$ geodesics in the Painleve-Gullstrand form of Lense-Thirring
spacetime | Note change in article title! V1: 24 pages, 0 figures. V2: added 1
reference; no physics changes; V3: now 26 pages; 4 figures; 2 more
references; terminology and presentation improved; some bug fixes, but
physics conclusions unchanged. This version accepted for publication in
General Relativity and Gravitation | null | 10.1007/s10714-022-02963-y | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Herein we explore the non-equatorial constant-$r$ ("quasi-circular")
geodesics (both timelike and null) in the Painleve-Gullstrand variant of the
Lense-Thirring spacetime recently introduced by the current authors. Even
though the spacetime is not spherically symmetric, shells of constant-$r$
geodesics still exist. W... | [
{
"created": "Fri, 18 Feb 2022 03:41:47 GMT",
"version": "v1"
},
{
"created": "Thu, 3 Mar 2022 03:55:31 GMT",
"version": "v2"
},
{
"created": "Tue, 19 Jul 2022 05:06:11 GMT",
"version": "v3"
}
] | 2022-08-17 | [
[
"Baines",
"Joshua",
"",
"Victoria\n University of Wellington"
],
[
"Berry",
"Thomas",
"",
"Victoria\n University of Wellington"
],
[
"Simpson",
"Alex",
"",
"Victoria\n University of Wellington"
],
[
"Visser",
"Matt",
"",
"Victoria\n U... | Herein we explore the non-equatorial constant-$r$ ("quasi-circular") geodesics (both timelike and null) in the Painleve-Gullstrand variant of the Lense-Thirring spacetime recently introduced by the current authors. Even though the spacetime is not spherically symmetric, shells of constant-$r$ geodesics still exist. Whe... |
gr-qc/0302096 | Abel Camacho | Abel Camacho (Dept. of Physics, Universidad Autonoma
Metropolitana-Iztapalapa) | Time Evolution of a Quantum Particle and a Generalized Uncertainty
Principle | Accepted in Gravitation, Relativity, Cosmology | Rel.Grav.Cosmol. 1 (2004) 89-95 | null | null | gr-qc quant-ph | null | Some of the possible consequences of a generalized uncertainty principle
(which emerges in the context of string theory and quantum gravity models as a
consequence of fluctuations of the background metric) are analyzed considering
the case of a quantum particle immersed in a homogeneous gravitational field.
It will b... | [
{
"created": "Mon, 24 Feb 2003 17:32:25 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Camacho",
"Abel",
"",
"Dept. of Physics, Universidad Autonoma\n Metropolitana-Iztapalapa"
]
] | Some of the possible consequences of a generalized uncertainty principle (which emerges in the context of string theory and quantum gravity models as a consequence of fluctuations of the background metric) are analyzed considering the case of a quantum particle immersed in a homogeneous gravitational field. It will be ... |
1101.5235 | Hongwei Yu | Hongwei Yu | Open quantum system approach to Gibbons-Hawking effect of de Sitter
space-time | 8 pages, no figures, a few typos corrected, version published in PRL | Phys.Rev.Lett.106:061101,2011 | 10.1103/PhysRevLett.106.061101 | null | gr-qc hep-th quant-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We analyze, in the paradigm of open quantum systems, the reduced dynamics of
a freely-falling two-level detector in de Sitter space-time in weak interaction
with a reservoir of fluctuating quantized conformal scalar fields in the de
Sitter invariant vacuum. We find that the detector is asymptotically driven to
a ther... | [
{
"created": "Thu, 27 Jan 2011 09:46:13 GMT",
"version": "v1"
},
{
"created": "Mon, 14 Feb 2011 01:06:14 GMT",
"version": "v2"
}
] | 2011-02-23 | [
[
"Yu",
"Hongwei",
""
]
] | We analyze, in the paradigm of open quantum systems, the reduced dynamics of a freely-falling two-level detector in de Sitter space-time in weak interaction with a reservoir of fluctuating quantized conformal scalar fields in the de Sitter invariant vacuum. We find that the detector is asymptotically driven to a therma... |
0901.0904 | Ettore Minguzzi | E. Minguzzi | On the global existence of time | 11 pages, 3 figures. Third juried prize at the FQXi contest "The
nature of time". In this version some misprints have been fixed, and some
references have been updated | Int.J.Mod.Phys.D18:2135-2144,2009 | 10.1142/S021827180901617X | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The existence of a global time is often taken for granted but should instead
be considered as a matter of investigation. By using the tools of global
Lorentzian geometry I show that, under physically reasonable conditions, the
impossibility of finding a global time implies the singularity of spacetime.
| [
{
"created": "Wed, 7 Jan 2009 20:37:39 GMT",
"version": "v1"
},
{
"created": "Tue, 22 Sep 2009 12:17:57 GMT",
"version": "v2"
}
] | 2010-02-17 | [
[
"Minguzzi",
"E.",
""
]
] | The existence of a global time is often taken for granted but should instead be considered as a matter of investigation. By using the tools of global Lorentzian geometry I show that, under physically reasonable conditions, the impossibility of finding a global time implies the singularity of spacetime. |
1608.04262 | Yu-Xiao Liu | Shao-Wen Wei, Bao-Min Gu, Yong-Qiang Wang, Yu-Xiao Liu | Photon emission of extremal Kerr-Newman black holes | v3: 7 pages, 1 figure, improved version | Eur. Phys. J. C 77 (2017) 128 | 10.1140/epjc/s10052-017-4699-7 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this paper, we deal with the null geodesics extending from the
near-horizon region out to a distant observatory in an extremal Kerr-Newman
black hole background. In particular, using the matched asymptotic expansion
method, we analytically solve the null geodesics near the superradiant bound in
the form of algebra... | [
{
"created": "Mon, 15 Aug 2016 13:21:15 GMT",
"version": "v1"
},
{
"created": "Sat, 27 Aug 2016 10:29:24 GMT",
"version": "v2"
},
{
"created": "Sun, 29 Jan 2017 08:27:19 GMT",
"version": "v3"
}
] | 2017-03-02 | [
[
"Wei",
"Shao-Wen",
""
],
[
"Gu",
"Bao-Min",
""
],
[
"Wang",
"Yong-Qiang",
""
],
[
"Liu",
"Yu-Xiao",
""
]
] | In this paper, we deal with the null geodesics extending from the near-horizon region out to a distant observatory in an extremal Kerr-Newman black hole background. In particular, using the matched asymptotic expansion method, we analytically solve the null geodesics near the superradiant bound in the form of algebraic... |
2311.07612 | Hamed Hadi | H. Hadi, Amin Rezaei Akbarieh | Dynamical non-locality in the near-horizon region of a black hole with
quantum time | null | null | null | null | gr-qc | http://creativecommons.org/licenses/by/4.0/ | The formalization of the modular energy operator within the curved spacetime
is achieved through the timeless approach proposed by Page and Wootters. The
investigation is motivated by the peculiar behavior of the near horizon region
of a black hole and its quantum effects, leading to a restriction of the study
to the... | [
{
"created": "Sat, 11 Nov 2023 20:04:17 GMT",
"version": "v1"
}
] | 2023-11-15 | [
[
"Hadi",
"H.",
""
],
[
"Akbarieh",
"Amin Rezaei",
""
]
] | The formalization of the modular energy operator within the curved spacetime is achieved through the timeless approach proposed by Page and Wootters. The investigation is motivated by the peculiar behavior of the near horizon region of a black hole and its quantum effects, leading to a restriction of the study to the i... |
1301.3686 | Zacharias Roupas | Zacharias Roupas | Thermodynamical instabilities of perfect fluid spheres in General
Relativity | 21 pages, 2 figures; section 5 added; one paragraph in conclusions
added | Class. Quantum Grav. 30 115018 (2013) | 10.1088/0264-9381/30/11/115018 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | For a static, perfect fluid sphere with a general equation of state, we
obtain the relativistic equation of hydrostatic equilibrium, namely the
Tolman-Oppenheimer-Volkov equation, as the thermodynamical equilibrium in the
microcanonical, as well as the canonical, ensemble. We find that the stability
condition determi... | [
{
"created": "Wed, 16 Jan 2013 13:07:40 GMT",
"version": "v1"
},
{
"created": "Tue, 22 Jan 2013 11:11:33 GMT",
"version": "v2"
},
{
"created": "Mon, 13 May 2013 14:45:47 GMT",
"version": "v3"
}
] | 2013-05-14 | [
[
"Roupas",
"Zacharias",
""
]
] | For a static, perfect fluid sphere with a general equation of state, we obtain the relativistic equation of hydrostatic equilibrium, namely the Tolman-Oppenheimer-Volkov equation, as the thermodynamical equilibrium in the microcanonical, as well as the canonical, ensemble. We find that the stability condition determine... |
1705.03063 | Ivan Booth | Ivan Booth, Hari K. Kunduri, Anna O'Grady | Unstable marginally outer trapped surfaces in static spherically
symmetric spacetimes | 11 pages, 9 figures; V2: title changed to match published version | Phys. Rev. D 96, 024059 (2017) | 10.1103/PhysRevD.96.024059 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We examine potential deformations of inner black hole and cosmological
horizons in Reissner-Nordstr\"om de-Sitter spacetimes. While the rigidity of
the outer black hole horizon is guaranteed by theorem, that theorem applies to
neither the inner black hole nor past cosmological horizon. Further for pure
deSitter space... | [
{
"created": "Mon, 8 May 2017 19:54:08 GMT",
"version": "v1"
},
{
"created": "Tue, 15 Aug 2017 17:35:45 GMT",
"version": "v2"
}
] | 2017-08-16 | [
[
"Booth",
"Ivan",
""
],
[
"Kunduri",
"Hari K.",
""
],
[
"O'Grady",
"Anna",
""
]
] | We examine potential deformations of inner black hole and cosmological horizons in Reissner-Nordstr\"om de-Sitter spacetimes. While the rigidity of the outer black hole horizon is guaranteed by theorem, that theorem applies to neither the inner black hole nor past cosmological horizon. Further for pure deSitter spaceti... |
1305.6001 | Liu Zhao | Liu Zhao, Wei Xu and Bin Zhu | Novel rotating hairy black hole in (2+1)-dimensions | 15 pages. v2: New references and minor corrections | Commun. Theor. Phys. 61 (2014) 475-481 | 10.1088/0253-6102/61/4/12 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present some novel rotating hairy black hole metric in $(2+1)$ dimensions,
which is an exact solution to the field equations of the Einstein-scalar-AdS
theory with a non-minimal coupling. The scalar potential is determined by the
metric ansatz and consistency of the field equations and cannot be prescribed
arbitra... | [
{
"created": "Sun, 26 May 2013 08:00:12 GMT",
"version": "v1"
},
{
"created": "Mon, 3 Jun 2013 02:17:21 GMT",
"version": "v2"
}
] | 2015-06-16 | [
[
"Zhao",
"Liu",
""
],
[
"Xu",
"Wei",
""
],
[
"Zhu",
"Bin",
""
]
] | We present some novel rotating hairy black hole metric in $(2+1)$ dimensions, which is an exact solution to the field equations of the Einstein-scalar-AdS theory with a non-minimal coupling. The scalar potential is determined by the metric ansatz and consistency of the field equations and cannot be prescribed arbitrari... |
2011.10354 | Claudio Meringolo | Claudio Meringolo, Sergio Servidio and Pierluigi Veltri | A spectral method algorithm for numerical simulations of gravitational
fields | 38 pages, 14 figures | null | 10.1088/1361-6382/abdd0b | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | A numerical study of the Einstein field equations, based on the 3+1 foliation
of the spacetime, is presented. A pseudo-spectral technique has been employed
for simulations in vacuum, within two different formalisms, namely the
Arnowitt-Deser-Misner (ADM) and the conformal
Baumgarte-Shapiro-Shibata-Nakamura (BSSN) app... | [
{
"created": "Fri, 20 Nov 2020 11:36:50 GMT",
"version": "v1"
}
] | 2021-06-09 | [
[
"Meringolo",
"Claudio",
""
],
[
"Servidio",
"Sergio",
""
],
[
"Veltri",
"Pierluigi",
""
]
] | A numerical study of the Einstein field equations, based on the 3+1 foliation of the spacetime, is presented. A pseudo-spectral technique has been employed for simulations in vacuum, within two different formalisms, namely the Arnowitt-Deser-Misner (ADM) and the conformal Baumgarte-Shapiro-Shibata-Nakamura (BSSN) appro... |
2304.05426 | Parampreet Singh | Bao-Fei Li, Parampreet Singh | Loop Quantum Cosmology: Physics of Singularity Resolution and its
Implications | 48 pages, 3 figures. Invited chapter to appear in the "Handbook of
Quantum Gravity", edited by Cosimo Bambi, Leonardo Modesto and Ilya Shapiro,
Springer (2023) | null | null | null | gr-qc astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The occurrence of singularities where spacetime curvature becomes infinite
and geodesic evolution breaks down are inevitable events in classical general
relativity (GR) unless one chooses an exotic matter violating weak energy
condition. These singularities show up in various physical processes, such as
the gravitati... | [
{
"created": "Tue, 11 Apr 2023 18:01:05 GMT",
"version": "v1"
}
] | 2023-04-13 | [
[
"Li",
"Bao-Fei",
""
],
[
"Singh",
"Parampreet",
""
]
] | The occurrence of singularities where spacetime curvature becomes infinite and geodesic evolution breaks down are inevitable events in classical general relativity (GR) unless one chooses an exotic matter violating weak energy condition. These singularities show up in various physical processes, such as the gravitation... |
2203.11122 | Olivier Minazzoli | Olivier Minazzoli | Black-holes and neutron stars in entangled relativity | Contribution to the 2022 Gravitation session of the 56th Rencontres
de Moriond | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | I present two results that show that, despite its unusual non-linear form,
the phenomenology of entangled relativity remains close to the one of general
relativity -- without having any free parameter that can be fine tuned in order
to facilitate this. In particular, I present the analytical solutions for
spherically... | [
{
"created": "Mon, 21 Mar 2022 16:48:50 GMT",
"version": "v1"
}
] | 2022-03-22 | [
[
"Minazzoli",
"Olivier",
""
]
] | I present two results that show that, despite its unusual non-linear form, the phenomenology of entangled relativity remains close to the one of general relativity -- without having any free parameter that can be fine tuned in order to facilitate this. In particular, I present the analytical solutions for spherically c... |
gr-qc/0702147 | Farook Rahaman | F.Rahaman, M.Kalam, R.Mukherjee, S.Das and T.Roy | Vacuum less global monopole in Brans-Dicke theory | 6 pages, submitted to Theo. Math. Comp. Phys | null | null | null | gr-qc | null | In the present work, the gravitational field of a vacuum less global monopole
has been investigated in Brans-Dicke theory under weak field assumption of the
field equations. It has been shown that the vacuum less global monopole exerts
attractive gravitational effects on a test particle. It is dissimilar to the
case ... | [
{
"created": "Wed, 28 Feb 2007 08:56:22 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Rahaman",
"F.",
""
],
[
"Kalam",
"M.",
""
],
[
"Mukherjee",
"R.",
""
],
[
"Das",
"S.",
""
],
[
"Roy",
"T.",
""
]
] | In the present work, the gravitational field of a vacuum less global monopole has been investigated in Brans-Dicke theory under weak field assumption of the field equations. It has been shown that the vacuum less global monopole exerts attractive gravitational effects on a test particle. It is dissimilar to the case st... |
1805.07650 | Yuri Pavlov | Yu. V. Pavlov, O. B. Zaslavskii | Regular frames and particle's rotation near a black hole | 11 pages, 1 figure. Misprints in eq. (27) corrected. Matches
published version | Gen. Relativ. Gravit. (2019) 51: 60 | 10.1007/s10714-019-2544-z | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider a particle moving towards a rotating black hole. We are
interested in the number of its revolution $n$ around a black hole. In our
previous work (Pavlov and Zaslavskii in Gen Relativ Gravit 50: 14, 2018.
arXiv:1707.02860) we considered this issue in the Boyer-Lindquist type of
coordinates with a subsequen... | [
{
"created": "Sat, 19 May 2018 20:23:27 GMT",
"version": "v1"
},
{
"created": "Tue, 14 May 2019 18:32:04 GMT",
"version": "v2"
}
] | 2019-05-16 | [
[
"Pavlov",
"Yu. V.",
""
],
[
"Zaslavskii",
"O. B.",
""
]
] | We consider a particle moving towards a rotating black hole. We are interested in the number of its revolution $n$ around a black hole. In our previous work (Pavlov and Zaslavskii in Gen Relativ Gravit 50: 14, 2018. arXiv:1707.02860) we considered this issue in the Boyer-Lindquist type of coordinates with a subsequent ... |
gr-qc/0205118 | Edward Anderson | Edward Anderson | Strong-coupled Relativity without Relativity | To appear in Gen. Rel. Grav. 2 typos corrected and one reference
updated | Gen.Rel.Grav. 36 (2004) 255-276 | 10.1023/B:GERG.0000010474.63835.2c | null | gr-qc | null | GR can be interpreted as a theory of evolving 3-geometries. A recent such
formulation, the 3-space approach of Barbour, Foster and \'{O} Murchadha, also
permits the construction of a limited number of other theories of evolving
3-geometries, including conformal gravity and strong gravity. In this paper, we
use the 3-... | [
{
"created": "Tue, 28 May 2002 17:25:37 GMT",
"version": "v1"
},
{
"created": "Fri, 4 Oct 2002 14:35:50 GMT",
"version": "v2"
},
{
"created": "Mon, 7 Apr 2003 16:31:07 GMT",
"version": "v3"
},
{
"created": "Mon, 3 Nov 2003 21:30:37 GMT",
"version": "v4"
}
] | 2009-11-07 | [
[
"Anderson",
"Edward",
""
]
] | GR can be interpreted as a theory of evolving 3-geometries. A recent such formulation, the 3-space approach of Barbour, Foster and \'{O} Murchadha, also permits the construction of a limited number of other theories of evolving 3-geometries, including conformal gravity and strong gravity. In this paper, we use the 3-sp... |
2311.18421 | Trevor Scheopner | Trevor Scheopner, Justin Vines | Dynamical Implications of the Kerr Multipole Moments for Spinning Black
Holes | v2: revised count of operators, corrected typos | null | null | null | gr-qc hep-th | http://creativecommons.org/licenses/by/4.0/ | Previously the linearized stress tensor of a stationary Kerr black hole has
been used to determine some of the values of gravitational couplings for a
spinning black hole to linear order in the Riemann tensor in the action
(worldline or quantum field theory). In particular, the couplings on operators
containing deriv... | [
{
"created": "Thu, 30 Nov 2023 10:16:30 GMT",
"version": "v1"
},
{
"created": "Wed, 13 Dec 2023 18:46:58 GMT",
"version": "v2"
}
] | 2023-12-14 | [
[
"Scheopner",
"Trevor",
""
],
[
"Vines",
"Justin",
""
]
] | Previously the linearized stress tensor of a stationary Kerr black hole has been used to determine some of the values of gravitational couplings for a spinning black hole to linear order in the Riemann tensor in the action (worldline or quantum field theory). In particular, the couplings on operators containing derivat... |
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