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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
gr-qc/0210005 | Irina Filimonova | A.A. Logunov | The Theory Of Gravity | 256 pages, latex file | null | null | null | gr-qc | null | In the framework of the special theory of relativity, the relativistic theory
of gravitation (RTG) is constructed. The energy-momentum tensor density of all
the matter fields (including gravitational one) is treated as a source of the
gravitational field. The energy-momentum and the angular momentum conservation
laws... | [
{
"created": "Wed, 2 Oct 2002 08:43:51 GMT",
"version": "v1"
},
{
"created": "Mon, 21 Oct 2002 10:46:56 GMT",
"version": "v2"
}
] | 2007-05-23 | [
[
"Logunov",
"A. A.",
""
]
] | In the framework of the special theory of relativity, the relativistic theory of gravitation (RTG) is constructed. The energy-momentum tensor density of all the matter fields (including gravitational one) is treated as a source of the gravitational field. The energy-momentum and the angular momentum conservation laws a... |
gr-qc/0504061 | Bernhard Haisch | Alfonso Rueda and Bernard Haisch | Gravity and the Quantum Vacuum Inertia Hypothesis | 18 pages, no figures. Annalen der Physik, 2005, in press. New version
reformatted | Annalen Phys. 14 (2005) 479-498 | 10.1002/andp.200510147 | null | gr-qc | null | In previous work it has been shown that the electromagnetic quantum vacuum,
or electromagnetic zero-point field, makes a contribution to the inertial
reaction force on an accelerated object. We show that the result for inertial
mass can be extended to passive gravitational mass. As a consequence the weak
equivalence ... | [
{
"created": "Wed, 13 Apr 2005 23:38:50 GMT",
"version": "v1"
},
{
"created": "Fri, 15 Apr 2005 04:42:28 GMT",
"version": "v2"
},
{
"created": "Fri, 15 Apr 2005 20:10:11 GMT",
"version": "v3"
}
] | 2009-11-11 | [
[
"Rueda",
"Alfonso",
""
],
[
"Haisch",
"Bernard",
""
]
] | In previous work it has been shown that the electromagnetic quantum vacuum, or electromagnetic zero-point field, makes a contribution to the inertial reaction force on an accelerated object. We show that the result for inertial mass can be extended to passive gravitational mass. As a consequence the weak equivalence pr... |
2203.08814 | M. Ilyas | W. U. Rahman, M. Ilyas, Z. Yousaf, S. Ullah, F. Khan and R. khan | Compact relativistic geometries in $f(R,G)$ gravity | Some changes have been made. " To appear in International Journal of
Geometric Methods in Modern Physics" | Int. J. Geom. Meth. Mod. Phys. 19, 2250126 (2022) | 10.1142/S0219887822501262 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | One of the possible potential candidates for describing the universe's rapid
expansion is modified gravity. In the framework of the modified theory of
gravity $f(R,G)$, the present work features the materialization of anisotropic
matter, such as compact stars. Specifically, to learn more about the physical
behavior o... | [
{
"created": "Wed, 16 Mar 2022 09:44:50 GMT",
"version": "v1"
},
{
"created": "Mon, 11 Apr 2022 16:28:11 GMT",
"version": "v2"
}
] | 2022-06-29 | [
[
"Rahman",
"W. U.",
""
],
[
"Ilyas",
"M.",
""
],
[
"Yousaf",
"Z.",
""
],
[
"Ullah",
"S.",
""
],
[
"Khan",
"F.",
""
],
[
"khan",
"R.",
""
]
] | One of the possible potential candidates for describing the universe's rapid expansion is modified gravity. In the framework of the modified theory of gravity $f(R,G)$, the present work features the materialization of anisotropic matter, such as compact stars. Specifically, to learn more about the physical behavior of ... |
gr-qc/9407022 | Ted Jacobson | Ted Jacobson | A Note on Hartle-Hawking Vacua | 5 pages, LaTeX | Phys.Rev.D50:6031-6032,1994 | 10.1103/PhysRevD.50.R6031 | null | gr-qc hep-th | null | The purpose of this note is to establish the basic properties--- regularity
at the horizon, time independence, and thermality--- of the generalized
Hartle-Hawking vacua defined in static spacetimes with bifurcate Killing
horizon admitting a regular Euclidean section. These states, for free or
interacting fields, are ... | [
{
"created": "Tue, 19 Jul 1994 13:57:52 GMT",
"version": "v1"
}
] | 2010-01-06 | [
[
"Jacobson",
"Ted",
""
]
] | The purpose of this note is to establish the basic properties--- regularity at the horizon, time independence, and thermality--- of the generalized Hartle-Hawking vacua defined in static spacetimes with bifurcate Killing horizon admitting a regular Euclidean section. These states, for free or interacting fields, are de... |
2210.13730 | Dinesh Chandra Maurya | Anirudh Pradhan, Archana Dixit, Dinesh Chandra Maurya | Quintessence Behaviour of an Anisotropic Bulk Viscous Cosmological Model
in Modified $f(Q)$-Gravity | 19 pages, 14 figures | Symmetry 2022, 14(12), 2630 | 10.3390/sym14122630 | null | gr-qc | http://creativecommons.org/licenses/by-nc-sa/4.0/ | In this article, we have discussed the results of our investigation. We
consider an anisotropic viscous cosmological model of (LRS) Bianchi type I
spacetime universe filled with a viscous fluid under $f(Q)$ gravity. We have
studied the modified $f(Q)$ gravity with quadratic form $f(Q)=\alpha
Q^{2}+\beta$, where $Q$ i... | [
{
"created": "Tue, 18 Oct 2022 07:54:37 GMT",
"version": "v1"
}
] | 2024-08-14 | [
[
"Pradhan",
"Anirudh",
""
],
[
"Dixit",
"Archana",
""
],
[
"Maurya",
"Dinesh Chandra",
""
]
] | In this article, we have discussed the results of our investigation. We consider an anisotropic viscous cosmological model of (LRS) Bianchi type I spacetime universe filled with a viscous fluid under $f(Q)$ gravity. We have studied the modified $f(Q)$ gravity with quadratic form $f(Q)=\alpha Q^{2}+\beta$, where $Q$ is ... |
gr-qc/0311074 | Sugumi Kanno | Sugumi Kanno, Jiro Soda | Rotating Black String and Effective Teukolsky Equation in Braneworld | 6 pages, references added | Class.Quant.Grav. 21 (2004) 1915-1924 | 10.1088/0264-9381/21/7/012 | null | gr-qc hep-th | null | In the Randall-Sundrum two-brane model (RS1), a Kerr black hole on the brane
can be naturally identified with a section of rotating black string. To
estimate Kaluza-Klein (KK) corrections on gravitational waves emitted by
perturbed rotating black strings, we give the effective Teukolsky equation on
the brane which is... | [
{
"created": "Fri, 21 Nov 2003 11:05:41 GMT",
"version": "v1"
},
{
"created": "Thu, 27 Nov 2003 05:59:08 GMT",
"version": "v2"
}
] | 2009-11-10 | [
[
"Kanno",
"Sugumi",
""
],
[
"Soda",
"Jiro",
""
]
] | In the Randall-Sundrum two-brane model (RS1), a Kerr black hole on the brane can be naturally identified with a section of rotating black string. To estimate Kaluza-Klein (KK) corrections on gravitational waves emitted by perturbed rotating black strings, we give the effective Teukolsky equation on the brane which is s... |
1102.0915 | \"Ozg\"ur Akarsu | Ozgur Akarsu, Tekin Dereli | Cosmological models with linearly varying deceleration parameter | 12 pages, 7 figures; some typo corrections; to appear in
International Journal of Theoretical Physics | International Journal of Theoretical Physics 51 (2012) 612-621 | 10.1007/s10773-011-0941-5 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We propose a new law for the deceleration parameter that varies linearly with
time and covers Berman's law where it is constant. Our law not only allows one
to generalize many exact solutions that were obtained assuming constant
deceleration parameter, but also gives a better fit with data (from SNIa, BAO
and CMB), p... | [
{
"created": "Fri, 4 Feb 2011 13:46:18 GMT",
"version": "v1"
},
{
"created": "Thu, 25 Aug 2011 13:28:26 GMT",
"version": "v2"
},
{
"created": "Thu, 8 Sep 2011 13:45:56 GMT",
"version": "v3"
}
] | 2012-01-25 | [
[
"Akarsu",
"Ozgur",
""
],
[
"Dereli",
"Tekin",
""
]
] | We propose a new law for the deceleration parameter that varies linearly with time and covers Berman's law where it is constant. Our law not only allows one to generalize many exact solutions that were obtained assuming constant deceleration parameter, but also gives a better fit with data (from SNIa, BAO and CMB), par... |
0902.2703 | Charalampos Bogdanos | C. Bogdanos | Diagrammatic Derivation of Lovelock Densities | 5 pages, 4 figures. References added. Corrected minor typos | Phys. Rev. D 79, 107501, 2009 | 10.1103/PhysRevD.79.107501 | LPT ORSAY 09-11 | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We discuss a method of calculating the various scalar densities encountered
in Lovelock theory which relies on diagrammatic, instead of algebraic
manipulations. Taking advantage of the known symmetric and antisymmetric
properties of the Riemann tensor which appears in the Lovelock densities, we
map every quadratic or... | [
{
"created": "Mon, 16 Feb 2009 15:23:00 GMT",
"version": "v1"
},
{
"created": "Sun, 19 Apr 2009 20:23:34 GMT",
"version": "v2"
}
] | 2013-05-29 | [
[
"Bogdanos",
"C.",
""
]
] | We discuss a method of calculating the various scalar densities encountered in Lovelock theory which relies on diagrammatic, instead of algebraic manipulations. Taking advantage of the known symmetric and antisymmetric properties of the Riemann tensor which appears in the Lovelock densities, we map every quadratic or h... |
2102.10981 | Mikhail Volkov | Rafkat Galeev, Ruslan Muharlyamov, Alexei A. Starobinsky, Sergey V.
Sushkov, Mikhail S. Volkov | Anisotropic cosmological models in Horndeski gravity | 21 pages, several figures | Phys. Rev. D 103, 104015 (2021) | 10.1103/PhysRevD.103.104015 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | It was found recently that the anisotropies in the homogeneous Bianchi I
cosmology considered within the context of a specific Horndeski theory are
damped near the initial singularity instead of being amplified. In this work we
extend the analysis of this phenomenon to cover the whole of the Horndeski
family. We find... | [
{
"created": "Mon, 22 Feb 2021 13:32:58 GMT",
"version": "v1"
},
{
"created": "Mon, 1 Mar 2021 18:56:28 GMT",
"version": "v2"
}
] | 2021-05-19 | [
[
"Galeev",
"Rafkat",
""
],
[
"Muharlyamov",
"Ruslan",
""
],
[
"Starobinsky",
"Alexei A.",
""
],
[
"Sushkov",
"Sergey V.",
""
],
[
"Volkov",
"Mikhail S.",
""
]
] | It was found recently that the anisotropies in the homogeneous Bianchi I cosmology considered within the context of a specific Horndeski theory are damped near the initial singularity instead of being amplified. In this work we extend the analysis of this phenomenon to cover the whole of the Horndeski family. We find t... |
2406.02815 | Hongji Wei | Samuel E. Gralla, Kunal Lobo, and Hongji Wei | Frames and Slicings for Angular Momentum in Post-Minkowski Scattering | null | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In relativistic physics, angular momentum is paired with a lesser known
conserved quantity, the "mass moment", which appears as the time-space
components of the angular momentum tensor. Calculations of mass moment in
electromagnetic and gravitational scattering of point particles have led to
some puzzling behavior in... | [
{
"created": "Tue, 4 Jun 2024 23:11:19 GMT",
"version": "v1"
}
] | 2024-06-06 | [
[
"Gralla",
"Samuel E.",
""
],
[
"Lobo",
"Kunal",
""
],
[
"Wei",
"Hongji",
""
]
] | In relativistic physics, angular momentum is paired with a lesser known conserved quantity, the "mass moment", which appears as the time-space components of the angular momentum tensor. Calculations of mass moment in electromagnetic and gravitational scattering of point particles have led to some puzzling behavior in w... |
2102.01562 | Abbas Mirahmadi | Abbas Mirahmadi | Alternative method for matching post-Newtonian expansion to
post-Minkowskian field | 45 pages | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In 2002, Poujade and Blanchet succeeded in matching the post-Newtonian
solution to the Einstein field equation to the post-Minkowskian field up to any
arbitrary order as well as reproducing, in a different way, the results of the
1998 paper by Blanchet in which he showed how to match the post-Minkowskian
series to th... | [
{
"created": "Tue, 2 Feb 2021 15:41:22 GMT",
"version": "v1"
}
] | 2021-02-03 | [
[
"Mirahmadi",
"Abbas",
""
]
] | In 2002, Poujade and Blanchet succeeded in matching the post-Newtonian solution to the Einstein field equation to the post-Minkowskian field up to any arbitrary order as well as reproducing, in a different way, the results of the 1998 paper by Blanchet in which he showed how to match the post-Minkowskian series to the ... |
gr-qc/9607034 | Robert L. Marsa | Robert L. Marsa, Matthew W. Choptuik | Black Hole--Scalar Field Interactions in Spherical Symmetry | 16 pages, 26 figures, RevTex, to appear in Phys. Rev. D | Phys.Rev.D54:4929-4943,1996 | 10.1103/PhysRevD.54.4929 | null | gr-qc | null | We examine the interactions of a black hole with a massless scalar field
using a coordinate system which extends ingoing Eddington-Finkelstein
coordinates to dynamic spherically symmetric-spacetimes. We avoid problems with
the singularity by excising the region of the black hole interior to the
apparent horizon. We u... | [
{
"created": "Mon, 15 Jul 1996 15:52:51 GMT",
"version": "v1"
}
] | 2010-11-19 | [
[
"Marsa",
"Robert L.",
""
],
[
"Choptuik",
"Matthew W.",
""
]
] | We examine the interactions of a black hole with a massless scalar field using a coordinate system which extends ingoing Eddington-Finkelstein coordinates to dynamic spherically symmetric-spacetimes. We avoid problems with the singularity by excising the region of the black hole interior to the apparent horizon. We use... |
0907.0823 | Emil Mottola | Paul R. Anderson (Wake Forest Univ.), Carmen Molina-Paris (Univ. of
Leeds), and Emil Mottola (Los Alamos National Laboratory) | Cosmological Horizon Modes and Linear Response in de Sitter Spacetime | 62 pages, 4 figures v.2 is amended to match the published version in
Phys. Rev. D: Eqs. (6.13)-(6.14) for the quadratic action added, two
references added, several minor typos corrected | Phys.Rev.D80:084005,2009 | 10.1103/PhysRevD.80.084005 | LA-UR 09-01895 | gr-qc astro-ph.CO hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Linearized fluctuations of quantized matter fields and the spacetime geometry
around de Sitter space are considered in the case that the matter fields are
conformally invariant. Taking the unperturbed state of the matter to be the de
Sitter invariant Bunch-Davies state, the linear variation of the stress tensor
about... | [
{
"created": "Sun, 5 Jul 2009 04:20:44 GMT",
"version": "v1"
},
{
"created": "Thu, 22 Oct 2009 15:55:25 GMT",
"version": "v2"
}
] | 2009-11-06 | [
[
"Anderson",
"Paul R.",
"",
"Wake Forest Univ."
],
[
"Molina-Paris",
"Carmen",
"",
"Univ. of\n Leeds"
],
[
"Mottola",
"Emil",
"",
"Los Alamos National Laboratory"
]
] | Linearized fluctuations of quantized matter fields and the spacetime geometry around de Sitter space are considered in the case that the matter fields are conformally invariant. Taking the unperturbed state of the matter to be the de Sitter invariant Bunch-Davies state, the linear variation of the stress tensor about i... |
gr-qc/0002076 | Mijan F. Huq | Mijan F. Huq, Matthew W. Choptuik and Richard A. Matzner | Locating Boosted Kerr and Schwarzschild Apparent Horizons | Submitted to Physical Review D. 12 pages and 22 figures | Phys.Rev. D66 (2002) 084024 | 10.1103/PhysRevD.66.084024 | null | gr-qc | null | We describe a finite-difference method for locating apparent horizons and
illustrate its capabilities on boosted Kerr and Schwarzschild black holes. Our
model spacetime is given by the Kerr-Schild metric. We apply a Lorentz boost to
this spacetime metric and then carry out a 3+1 decomposition. The result is a
slicing... | [
{
"created": "Tue, 22 Feb 2000 18:27:38 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Huq",
"Mijan F.",
""
],
[
"Choptuik",
"Matthew W.",
""
],
[
"Matzner",
"Richard A.",
""
]
] | We describe a finite-difference method for locating apparent horizons and illustrate its capabilities on boosted Kerr and Schwarzschild black holes. Our model spacetime is given by the Kerr-Schild metric. We apply a Lorentz boost to this spacetime metric and then carry out a 3+1 decomposition. The result is a slicing o... |
1612.06766 | Alejandro Satz | Alejandro Satz and Mirjam Cvetic | Vacuum polarization throughout general subtracted black hole spacetimes | 22 pages, 4 figures. Minor changes, one reference added. Final
published version | Phys. Rev. D 95, 045007 (2017) | 10.1103/PhysRevD.95.045007 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We compute the vacuum polarization of a massless minimally co pled scalar
field in a background given by a black hole with subtracted geometry. Extending
previous results for the horizon of rotating black holes with no charge, we
obtain an analytical expression for the vacuum polarization that is valid
throughout the... | [
{
"created": "Tue, 20 Dec 2016 17:15:46 GMT",
"version": "v1"
},
{
"created": "Tue, 9 May 2017 16:40:27 GMT",
"version": "v2"
}
] | 2017-05-10 | [
[
"Satz",
"Alejandro",
""
],
[
"Cvetic",
"Mirjam",
""
]
] | We compute the vacuum polarization of a massless minimally co pled scalar field in a background given by a black hole with subtracted geometry. Extending previous results for the horizon of rotating black holes with no charge, we obtain an analytical expression for the vacuum polarization that is valid throughout the s... |
1401.5256 | Mikel Fern\'andez-M\'endez | Mikel Fern\'andez-M\'endez, Guillermo A. Mena Marug\'an, Javier Olmedo | Effective dynamics of scalar perturbations in a flat
Friedmann-Robertson-Walker spacetime in Loop Quantum Cosmology | 15 pages, 9 figures. Accepted for publication in Phys. Rev. D | Phys. Rev. D 89, 044041 (2014) | 10.1103/PhysRevD.89.044041 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the evolution of a homogeneous and isotropic spacetime whose spatial
sections have three-torus topology, coupled to a massless scalar field with
small scalar perturbations within loop quantum cosmology. We consider a
proposal for the effective dynamics based on a previous hybrid quantization
completed by us.... | [
{
"created": "Tue, 21 Jan 2014 10:33:12 GMT",
"version": "v1"
}
] | 2014-12-11 | [
[
"Fernández-Méndez",
"Mikel",
""
],
[
"Marugán",
"Guillermo A. Mena",
""
],
[
"Olmedo",
"Javier",
""
]
] | We study the evolution of a homogeneous and isotropic spacetime whose spatial sections have three-torus topology, coupled to a massless scalar field with small scalar perturbations within loop quantum cosmology. We consider a proposal for the effective dynamics based on a previous hybrid quantization completed by us. C... |
gr-qc/9901084 | Jolien Creighton | Jolien D. E. Creighton | Search techniques for gravitational waves from black-hole ringdowns | 10 pages RevTeX, 5 figures | Phys.Rev.D60:022001,1999 | 10.1103/PhysRevD.60.022001 | null | gr-qc | null | Of all the astronomical sources of gravitational radiation, the ringdown
waveform arising from a small perturbation of a spinning black hole is perhaps
the best understood: for the late stages of such a perturbation, the waveform
is simply an exponentially-damped sinusoid. Searching interferometric
gravitational wave... | [
{
"created": "Thu, 28 Jan 1999 22:54:46 GMT",
"version": "v1"
}
] | 2009-12-30 | [
[
"Creighton",
"Jolien D. E.",
""
]
] | Of all the astronomical sources of gravitational radiation, the ringdown waveform arising from a small perturbation of a spinning black hole is perhaps the best understood: for the late stages of such a perturbation, the waveform is simply an exponentially-damped sinusoid. Searching interferometric gravitational wave a... |
1512.05232 | Olivier Minazzoli | Olivier Minazzoli and Aur\'elien Hees | On dilatons with intrinsic decouplings | 7 pages, comments welcome | Phys. Rev. D 94, 064038 (2016) | 10.1103/PhysRevD.94.064038 | null | gr-qc astro-ph.EP | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this paper, we show that there exists a class of dilaton models with
non-trivial scalar-Ricci and scalar-matter couplings that strongly reduces
observational deviations from general relativity in the dust limit.
Essentially, depending on the coupling between the dilaton and the fundamental
matter fields, various s... | [
{
"created": "Wed, 16 Dec 2015 16:26:32 GMT",
"version": "v1"
},
{
"created": "Fri, 29 Jul 2016 15:27:53 GMT",
"version": "v2"
}
] | 2016-09-21 | [
[
"Minazzoli",
"Olivier",
""
],
[
"Hees",
"Aurélien",
""
]
] | In this paper, we show that there exists a class of dilaton models with non-trivial scalar-Ricci and scalar-matter couplings that strongly reduces observational deviations from general relativity in the dust limit. Essentially, depending on the coupling between the dilaton and the fundamental matter fields, various str... |
gr-qc/0006018 | T. Roy Choudhury | T. Padmanabhan and T. Roy Choudhury (IUCAA, Pune, India) | The Issue of Choosing Nothing: What Determines the Low Energy Vacuum
State of Nature? | 4 pages, revtex | Mod.Phys.Lett.A15:1813-1821,2000 | 10.1142/S0217732300002371 | IUCAA-21/2000 | gr-qc hep-th | null | Starting from an (unknown) quantum gravitational model, one can invoke a
sequence of approximations to progressively arrive at quantum field theory
(QFT) in curved spacetime, QFT in flat spacetime, nonrelativistic quantum
mechanics and newtonian mechanics. The more exact theory can put restrictions
on the range of po... | [
{
"created": "Tue, 6 Jun 2000 09:26:22 GMT",
"version": "v1"
}
] | 2011-09-15 | [
[
"Padmanabhan",
"T.",
"",
"IUCAA, Pune, India"
],
[
"Choudhury",
"T. Roy",
"",
"IUCAA, Pune, India"
]
] | Starting from an (unknown) quantum gravitational model, one can invoke a sequence of approximations to progressively arrive at quantum field theory (QFT) in curved spacetime, QFT in flat spacetime, nonrelativistic quantum mechanics and newtonian mechanics. The more exact theory can put restrictions on the range of poss... |
1612.08658 | Maria E. Gabach Clement | Pablo Anglada, M.E. Gabach-Clement, Omar E. Ortiz | Size, angular momentum and mass for objects | 27 pages, 5 figures | Class.Quant.Grav. 34 (2017) no.12, 125011 | 10.1088/1361-6382/aa6f3f | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We obtain a geometrical inequality involving the ADM mass, the angular
momentum and the size of an ordinary, axially symmetric object. We use the
monotonicity of the Geroch quasi-local energy on 2-surfaces along the inverse
mean curvature flow. We also compute numerical examples to test the robustness
of our hypothes... | [
{
"created": "Tue, 27 Dec 2016 15:27:57 GMT",
"version": "v1"
},
{
"created": "Thu, 1 Jun 2017 12:41:44 GMT",
"version": "v2"
}
] | 2017-06-02 | [
[
"Anglada",
"Pablo",
""
],
[
"Gabach-Clement",
"M. E.",
""
],
[
"Ortiz",
"Omar E.",
""
]
] | We obtain a geometrical inequality involving the ADM mass, the angular momentum and the size of an ordinary, axially symmetric object. We use the monotonicity of the Geroch quasi-local energy on 2-surfaces along the inverse mean curvature flow. We also compute numerical examples to test the robustness of our hypotheses... |
1607.03383 | Shahram Panahiyan | S. H. Hendi, B. Eslam Panah, S. Panahiyan and M. Momennia | F(R) gravity's rainbow and its Einstein counterpart | 19 pages, 12 figures. matches published version | Adv. High Energy Phys. 2016, 9813582 (2016) | 10.1155/2016/9813582 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Motivated by UV completion of general relativity with a modification of a
geometry at high energy scale, it is expected to have an energy dependent
geometry. In this paper, we introduce charged black hole solutions with power
Maxwell invariant source in the context of gravity's rainbow. In addition, we
investigate tw... | [
{
"created": "Thu, 23 Jun 2016 16:00:26 GMT",
"version": "v1"
},
{
"created": "Fri, 22 Jul 2016 02:02:29 GMT",
"version": "v2"
},
{
"created": "Fri, 16 Sep 2016 09:29:49 GMT",
"version": "v3"
}
] | 2016-09-19 | [
[
"Hendi",
"S. H.",
""
],
[
"Panah",
"B. Eslam",
""
],
[
"Panahiyan",
"S.",
""
],
[
"Momennia",
"M.",
""
]
] | Motivated by UV completion of general relativity with a modification of a geometry at high energy scale, it is expected to have an energy dependent geometry. In this paper, we introduce charged black hole solutions with power Maxwell invariant source in the context of gravity's rainbow. In addition, we investigate two ... |
1608.07976 | Dejan Simic | B. Cvetkovi\'c and D. Simi\'c | 5D Lovelock gravity: new exact solutions with torsion | LATEX, 15 pages; v2 minor revisions, one reference added | Phys. Rev. D 94, 084037 (2016) | 10.1103/PhysRevD.94.084037 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate Lovelock gravity in five dimensions in first order formalism.
We construct a new class of solutions: BTZ black ring with(out) torsion. We
show that our solution with torsion exists in the different sector of the
Lovelock gravity compared to Lovelock Chern-Simons and the sector investigated
by Canfora e... | [
{
"created": "Mon, 29 Aug 2016 10:12:24 GMT",
"version": "v1"
},
{
"created": "Wed, 26 Oct 2016 11:57:31 GMT",
"version": "v2"
}
] | 2016-10-27 | [
[
"Cvetković",
"B.",
""
],
[
"Simić",
"D.",
""
]
] | We investigate Lovelock gravity in five dimensions in first order formalism. We construct a new class of solutions: BTZ black ring with(out) torsion. We show that our solution with torsion exists in the different sector of the Lovelock gravity compared to Lovelock Chern-Simons and the sector investigated by Canfora et ... |
1610.01151 | Everton Murilo Carvalho Abreu | Rafael C. Nunes, Hooman Moradpour, Ed\'esio M. Barboza Jr., Everton M.
C. Abreu and Jorge Ananias Neto | Entropic gravity from noncommutative black holes | 6 pages, two column format, 2 figures | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this paper we will investigate the effects of a noncommutative (NC)
space-time on the dynamics of the universe. We will generalize the black hole
entropy formula for a NC black hole. Then, using the entropic gravity
formalism, we will show that the noncommutativity changes the strength of the
gravitational field. ... | [
{
"created": "Tue, 4 Oct 2016 13:47:15 GMT",
"version": "v1"
}
] | 2016-10-06 | [
[
"Nunes",
"Rafael C.",
""
],
[
"Moradpour",
"Hooman",
""
],
[
"Barboza",
"Edésio M.",
"Jr."
],
[
"Abreu",
"Everton M. C.",
""
],
[
"Neto",
"Jorge Ananias",
""
]
] | In this paper we will investigate the effects of a noncommutative (NC) space-time on the dynamics of the universe. We will generalize the black hole entropy formula for a NC black hole. Then, using the entropic gravity formalism, we will show that the noncommutativity changes the strength of the gravitational field. By... |
1302.1103 | T.G Zlosnik | H.F. Westman, T.G. Zlosnik | Exploring Cartan gravity with dynamical symmetry breaking | 2 figures, matches published version | null | 10.1088/0264-9381/31/9/095004 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | It has been known for some time that General Relativity can be regarded as a
Yang-Mills-type gauge theory in a symmetry broken phase. In this picture the
gravity sector is described by an $SO(1,4)$ or $SO(2,3)$ gauge field
$A^{a}_{\phantom{a}b\mu}$ and Higgs field $V^{a}$ which acts to break the
symmetry down to that... | [
{
"created": "Tue, 5 Feb 2013 16:36:47 GMT",
"version": "v1"
},
{
"created": "Mon, 24 Mar 2014 15:10:12 GMT",
"version": "v2"
}
] | 2015-06-12 | [
[
"Westman",
"H. F.",
""
],
[
"Zlosnik",
"T. G.",
""
]
] | It has been known for some time that General Relativity can be regarded as a Yang-Mills-type gauge theory in a symmetry broken phase. In this picture the gravity sector is described by an $SO(1,4)$ or $SO(2,3)$ gauge field $A^{a}_{\phantom{a}b\mu}$ and Higgs field $V^{a}$ which acts to break the symmetry down to that o... |
1905.04536 | Maria Churilova | M. S. Churilova | Analytical quasinormal modes of spherically symmetric black holes in the
eikonal regime | 5 pages, 1 figure, revtex, new material and references added | Eur. Phys. J. C (2019) 79:629 | 10.1140/epjc/s10052-019-7146-0 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Quasinormal modes in the high frequency (eikonal) regime can be obtained
analytically as the Mashhoon-Will-Schiutz WKB formula is exact in this case.
This regime is interesting because of the correspondence between eikonal
quasinormal modes and null geodesics, as well as due to existence of potential
eikonal instabil... | [
{
"created": "Sat, 11 May 2019 14:53:44 GMT",
"version": "v1"
},
{
"created": "Sat, 25 May 2019 12:36:57 GMT",
"version": "v2"
}
] | 2019-09-04 | [
[
"Churilova",
"M. S.",
""
]
] | Quasinormal modes in the high frequency (eikonal) regime can be obtained analytically as the Mashhoon-Will-Schiutz WKB formula is exact in this case. This regime is interesting because of the correspondence between eikonal quasinormal modes and null geodesics, as well as due to existence of potential eikonal instabilit... |
1210.6666 | P Ajith | P. Ajith, N. Fotopoulos, S. Privitera, A. Neunzert, N. Mazumder, A. J.
Weinstein | An effectual template bank for the detection of gravitational waves from
inspiralling compact binaries with generic spins | Minor changes, version appeared in Phys. Rev. D | Phys. Rev. D 89, 084041 (2014) | 10.1103/PhysRevD.89.084041 | LIGO-P1200106-v3 | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We report the construction of a three-dimensional template bank for the
search for gravitational waves from inspiralling binaries consisting of
spinning compact objects. The parameter space consists of two dimensions
describing the mass parameters and one "reduced-spin" parameter, which
describes the secular (non-pre... | [
{
"created": "Wed, 24 Oct 2012 20:03:08 GMT",
"version": "v1"
},
{
"created": "Wed, 21 May 2014 04:11:07 GMT",
"version": "v2"
}
] | 2014-05-22 | [
[
"Ajith",
"P.",
""
],
[
"Fotopoulos",
"N.",
""
],
[
"Privitera",
"S.",
""
],
[
"Neunzert",
"A.",
""
],
[
"Mazumder",
"N.",
""
],
[
"Weinstein",
"A. J.",
""
]
] | We report the construction of a three-dimensional template bank for the search for gravitational waves from inspiralling binaries consisting of spinning compact objects. The parameter space consists of two dimensions describing the mass parameters and one "reduced-spin" parameter, which describes the secular (non-prece... |
2408.01252 | Ettore Minguzzi | R. A. Hounnonkpe and E. Minguzzi | Regularity and temperature of stationary black hole event horizons | 29 pages | null | null | null | gr-qc math-ph math.MP | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Available proofs of the regularity of stationary black hole event horizons
rely on some assumptions on the existence of sections that imply a $C^1$
differentiability assumption. By using a quotient bundle approach, we remedy
this problem by proving directly that, indeed, under the null energy condition
event horizons... | [
{
"created": "Fri, 2 Aug 2024 13:13:06 GMT",
"version": "v1"
}
] | 2024-08-05 | [
[
"Hounnonkpe",
"R. A.",
""
],
[
"Minguzzi",
"E.",
""
]
] | Available proofs of the regularity of stationary black hole event horizons rely on some assumptions on the existence of sections that imply a $C^1$ differentiability assumption. By using a quotient bundle approach, we remedy this problem by proving directly that, indeed, under the null energy condition event horizons o... |
1505.05060 | Lau Loi So | Lau Loi So | Relativistic tidal heating of Hamiltonian quasi-local boundary
expressions | 6 pages | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Purdue and Favata calculate the tidal heating used certain classical
pseudotensors. Booth and Creighton employed the quasi-local mass formalism of
Brown and York to demonstrate the same subject. All of them give the result
matched with the Newtonian theory. Here we present another Hamiltonian
quasi-local boundary exp... | [
{
"created": "Tue, 19 May 2015 16:02:50 GMT",
"version": "v1"
}
] | 2015-05-20 | [
[
"So",
"Lau Loi",
""
]
] | Purdue and Favata calculate the tidal heating used certain classical pseudotensors. Booth and Creighton employed the quasi-local mass formalism of Brown and York to demonstrate the same subject. All of them give the result matched with the Newtonian theory. Here we present another Hamiltonian quasi-local boundary expre... |
2407.07416 | Jieci Wang | Wentao Liu, Di Wu, Jieci Wang | Shadow of slowly rotating Kalb-Ramond black holes | 14 pages, 30 figures | null | null | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Real astronomical objects possess spin, yet deriving exact solutions for
rotating black holes within gravitational theories is a formidable challenge.
To understand the shadow of rotating black holes in Lorentz-violating
spacetimes induced by antisymmetric tensor fields, known as Kalb-Ramond (KR)
fields, we have focu... | [
{
"created": "Wed, 10 Jul 2024 07:16:50 GMT",
"version": "v1"
},
{
"created": "Sun, 14 Jul 2024 03:29:36 GMT",
"version": "v2"
}
] | 2024-07-16 | [
[
"Liu",
"Wentao",
""
],
[
"Wu",
"Di",
""
],
[
"Wang",
"Jieci",
""
]
] | Real astronomical objects possess spin, yet deriving exact solutions for rotating black holes within gravitational theories is a formidable challenge. To understand the shadow of rotating black holes in Lorentz-violating spacetimes induced by antisymmetric tensor fields, known as Kalb-Ramond (KR) fields, we have focuse... |
gr-qc/0603036 | Stefano Viaggiu | Stefano Viaggiu | Interior Kerr solutions with the Newman-Janis algorithm starting with
static physically reasonable space-times | 15 pages, version published in IJMPD | Int.J.Mod.Phys.D15:1441-1453,2006 | 10.1142/S0218271806009169 | null | gr-qc hep-th | null | We present a simple approach for obtaining Kerr interior solutions with the
help of the Newman-Janis algorithm (NJA) starting with static space-times
describing physically sensible interior Schwarzschild solutions. In this
context, the Darmois-Israel (DI) junction conditions are analyzed. Starting
from the incompress... | [
{
"created": "Fri, 10 Mar 2006 08:31:06 GMT",
"version": "v1"
},
{
"created": "Tue, 24 Oct 2006 12:01:16 GMT",
"version": "v2"
}
] | 2010-11-11 | [
[
"Viaggiu",
"Stefano",
""
]
] | We present a simple approach for obtaining Kerr interior solutions with the help of the Newman-Janis algorithm (NJA) starting with static space-times describing physically sensible interior Schwarzschild solutions. In this context, the Darmois-Israel (DI) junction conditions are analyzed. Starting from the incompressib... |
2305.05068 | Rodrigo Dal Bosco Fontana | Rodrigo Dal Bosco Fontana | Quasinormal modes of charged BTZ black holes | 15 pages, 1 figures | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate the scalar field equation in a (2+1)-dimensional charged BTZ
black hole. The quasinormal spectra of the solution are obtained applying two
different methods and good convergence between both is achieved. Using the
characteristic integration technique we tested the geometry evidencing its
stability agai... | [
{
"created": "Mon, 8 May 2023 22:07:21 GMT",
"version": "v1"
}
] | 2023-05-10 | [
[
"Fontana",
"Rodrigo Dal Bosco",
""
]
] | We investigate the scalar field equation in a (2+1)-dimensional charged BTZ black hole. The quasinormal spectra of the solution are obtained applying two different methods and good convergence between both is achieved. Using the characteristic integration technique we tested the geometry evidencing its stability agains... |
2210.09541 | Han Gil Choi | Han Gil Choi, Tao Yang, and Hyung Mok Lee | Importance of eccentricities in parameter estimation of compact binary
inspirals with decihertz gravitational-wave detectors | 11 pages, 5 figures | Phys. Rev. D 110, 024025 (2024) | 10.1103/PhysRevD.110.024025 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | During its inspiral stage, a binary black hole (BBH) produces characteristic
gravitational wave (GW) signals. The waveform of the GW signals can be
described by the physical parameters of BBH, such as the masses of the black
holes and the orbital eccentricity. Precise and accurate estimation of these
parameters is cr... | [
{
"created": "Tue, 18 Oct 2022 02:30:10 GMT",
"version": "v1"
},
{
"created": "Sun, 11 Aug 2024 14:15:34 GMT",
"version": "v2"
}
] | 2024-08-13 | [
[
"Choi",
"Han Gil",
""
],
[
"Yang",
"Tao",
""
],
[
"Lee",
"Hyung Mok",
""
]
] | During its inspiral stage, a binary black hole (BBH) produces characteristic gravitational wave (GW) signals. The waveform of the GW signals can be described by the physical parameters of BBH, such as the masses of the black holes and the orbital eccentricity. Precise and accurate estimation of these parameters is cruc... |
1907.12453 | Olivier Minazzoli | Olivier Minazzoli and Nathan K. Johnson-McDaniel and Mairi
Sakellariadou | Shortcomings of Shapiro delay-based tests of the equivalence principle
on cosmological scales | 15 pages, 7 figures. Accepted manuscript in Phys. Rev. D | Phys. Rev. D 100, 104047 (2019) | 10.1103/PhysRevD.100.104047 | LIGO-P1900149-v3 | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The "Shapiro delay" experienced by an astronomical messenger traveling
through a gravitational field has been used to place constraints on possible
deviations from the equivalence principle. The standard Shapiro delay used to
obtain these constraints is not itself an observable in general relativity, but
is rather ob... | [
{
"created": "Mon, 29 Jul 2019 14:22:20 GMT",
"version": "v1"
},
{
"created": "Mon, 4 Nov 2019 13:12:40 GMT",
"version": "v2"
}
] | 2019-12-05 | [
[
"Minazzoli",
"Olivier",
""
],
[
"Johnson-McDaniel",
"Nathan K.",
""
],
[
"Sakellariadou",
"Mairi",
""
]
] | The "Shapiro delay" experienced by an astronomical messenger traveling through a gravitational field has been used to place constraints on possible deviations from the equivalence principle. The standard Shapiro delay used to obtain these constraints is not itself an observable in general relativity, but is rather obta... |
gr-qc/9301003 | Sam Finn | Lee Samuel Finn and David F. Chernoff | Observing binary inspiral in gravitational radiation: One interferometer | 40 pages (plus 7 figures), LaTeX/REVTEX3.0, NU-GR-3 | Phys.Rev. D47 (1993) 2198-2219 | 10.1103/PhysRevD.47.2198 | null | gr-qc astro-ph | null | We investigate the sensitivity of individual LIGO/VIRGO-like interferometers
and the precision with which they can determine the characteristics of an
inspiralling binary system. Since the two interferometers of the LIGO detector
share nearly the same orientation, their joint sensitivity is similar to that
of a singl... | [
{
"created": "Wed, 6 Jan 1993 15:31:16 GMT",
"version": "v1"
}
] | 2009-10-22 | [
[
"Finn",
"Lee Samuel",
""
],
[
"Chernoff",
"David F.",
""
]
] | We investigate the sensitivity of individual LIGO/VIRGO-like interferometers and the precision with which they can determine the characteristics of an inspiralling binary system. Since the two interferometers of the LIGO detector share nearly the same orientation, their joint sensitivity is similar to that of a single,... |
1607.01037 | J\'unior Diniz Toniato | J.D. Toniato and M. Novello | Gravitational waves in geometric scalar gravity | Although not evident, this work had an inconsistency. The solution
required redoing the entire approximation method, changing considerably all
text. A new version can now be found in arXiv:1905.05690 | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate the gravitational waves phenomena in the geometric scalar
theory of gravity (GSG) that belongs to a class of theories such that gravity
is described by a single scalar field. The associated physical metric
describing the spacetime is constructed from a disformal transformation of
Minkowski geometry. In... | [
{
"created": "Mon, 4 Jul 2016 20:14:34 GMT",
"version": "v1"
},
{
"created": "Tue, 18 Oct 2016 14:06:23 GMT",
"version": "v2"
},
{
"created": "Wed, 15 May 2019 14:52:24 GMT",
"version": "v3"
}
] | 2019-05-16 | [
[
"Toniato",
"J. D.",
""
],
[
"Novello",
"M.",
""
]
] | We investigate the gravitational waves phenomena in the geometric scalar theory of gravity (GSG) that belongs to a class of theories such that gravity is described by a single scalar field. The associated physical metric describing the spacetime is constructed from a disformal transformation of Minkowski geometry. In t... |
1709.04127 | Yisong Yang Professor | Chenmei Xu and Yisong Yang | Determination of Angle of Light Deflection in Higher-Derivative Gravity
Theories | 32 pages, 8 figures | Journal of Mathematical Physics 59 (2018) 032501 | 10.1063/1.5009911 | null | gr-qc hep-th math-ph math.MP | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Gravitational light deflection is known as one of three classical tests of
general relativity and the angle of deflection may be computed explicitly using
approximate or exact solutions describing the gravitational force generated
from a point mass. In various generalized gravity theories, however, such
explicit dete... | [
{
"created": "Wed, 13 Sep 2017 03:45:22 GMT",
"version": "v1"
},
{
"created": "Mon, 16 Oct 2017 05:43:18 GMT",
"version": "v2"
}
] | 2018-09-28 | [
[
"Xu",
"Chenmei",
""
],
[
"Yang",
"Yisong",
""
]
] | Gravitational light deflection is known as one of three classical tests of general relativity and the angle of deflection may be computed explicitly using approximate or exact solutions describing the gravitational force generated from a point mass. In various generalized gravity theories, however, such explicit determ... |
1001.2099 | Vladimir O. Soloviev | V.O.Soloviev, M.V.Tchichikina | Poincare algebra realized in Hamiltonian formalism of the Relativistic
Theory of Gravitation | 8 pages, Russian | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We obtain the Poincare group generators by proper choice of arbitrary
functions present in the Relativistic Theory of Gravitation (RTG) Hamiltonian.
Their Dirac brackets give the Poincare algebra in accordance with the fact that
RTG has 10 integrals of motion.
| [
{
"created": "Wed, 13 Jan 2010 08:39:08 GMT",
"version": "v1"
}
] | 2010-01-14 | [
[
"Soloviev",
"V. O.",
""
],
[
"Tchichikina",
"M. V.",
""
]
] | We obtain the Poincare group generators by proper choice of arbitrary functions present in the Relativistic Theory of Gravitation (RTG) Hamiltonian. Their Dirac brackets give the Poincare algebra in accordance with the fact that RTG has 10 integrals of motion. |
0801.0735 | John Friedman | John L. Friedman and Atsushi Higuchi | Topological censorship and chronology protection | Dedicated to Rafael Sorkin, whose tutoring and friendship from third
grade on is responsible for one of us (JF) having spent his adult life in
physics and whose work has inspired both of us. In v.2, some references are
updated, and references are added to early work on 2+1 spacetimes and to work
on event-horizo... | AnnalenPhys.15:109-128,2006 | 10.1002/andp.200510172 | null | gr-qc | null | Over the past two decades, substantial efforts have been made to understand
the way in which physics enforces the ordinary topology and causal structure
that we observe, from subnuclear to cosmological scales. We review the status
of topological censorship and the topology of event horizons; chronology
protection in ... | [
{
"created": "Fri, 4 Jan 2008 20:40:15 GMT",
"version": "v1"
},
{
"created": "Tue, 3 Jun 2008 19:39:17 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Friedman",
"John L.",
""
],
[
"Higuchi",
"Atsushi",
""
]
] | Over the past two decades, substantial efforts have been made to understand the way in which physics enforces the ordinary topology and causal structure that we observe, from subnuclear to cosmological scales. We review the status of topological censorship and the topology of event horizons; chronology protection in cl... |
1505.03115 | Sunny Vagnozzi | Ratbay Myrzakulov, Lorenzo Sebastiani, Sunny Vagnozzi and Sergio
Zerbini | Mimetic covariant renormalizable gravity | Minor edits, additional references added | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Covariant renormalizable gravity is a Horava-like extension of general
relativity, enjoying full diffeomorphism invariance. However, the price to pay
in order to maintain both covariance and renormalizability is the presence of
an unknown fluid, whose non-standard coupling dynamically breaks Lorentz
invariance. In th... | [
{
"created": "Tue, 12 May 2015 18:43:40 GMT",
"version": "v1"
},
{
"created": "Mon, 27 Jul 2015 07:40:20 GMT",
"version": "v2"
},
{
"created": "Mon, 3 Aug 2015 19:29:57 GMT",
"version": "v3"
},
{
"created": "Tue, 17 Nov 2015 20:41:08 GMT",
"version": "v4"
},
{
"cr... | 2017-03-23 | [
[
"Myrzakulov",
"Ratbay",
""
],
[
"Sebastiani",
"Lorenzo",
""
],
[
"Vagnozzi",
"Sunny",
""
],
[
"Zerbini",
"Sergio",
""
]
] | Covariant renormalizable gravity is a Horava-like extension of general relativity, enjoying full diffeomorphism invariance. However, the price to pay in order to maintain both covariance and renormalizability is the presence of an unknown fluid, whose non-standard coupling dynamically breaks Lorentz invariance. In this... |
1303.6969 | Jeffrey Winicour | J. Winicour | The affine-null metric formulation of Einstein's equations | Version to appear in Physical Review D | null | 10.1103/PhysRevD.87.124027 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The details are presented of a new evolution algorithm for the characteristic
initial-boundary value problem based upon an affine parameter rather than the
areal radial coordinate used in the Bondi-Sachs formulation. The advantages
over the Bondi-Sachs version are discussed, with particular emphasis on the
applicatio... | [
{
"created": "Wed, 27 Mar 2013 20:08:46 GMT",
"version": "v1"
},
{
"created": "Fri, 14 Jun 2013 17:00:26 GMT",
"version": "v2"
}
] | 2015-06-15 | [
[
"Winicour",
"J.",
""
]
] | The details are presented of a new evolution algorithm for the characteristic initial-boundary value problem based upon an affine parameter rather than the areal radial coordinate used in the Bondi-Sachs formulation. The advantages over the Bondi-Sachs version are discussed, with particular emphasis on the application ... |
2107.07209 | Oscar Castillo Felisola Dr. | Oscar Castillo-Felisola and Oscar Orellana and Jos\'e Perdiguero and
Francisca Ram\'irez and Aureliano Skirzewski and Alfonso R. Zerwekh | Aspects of the polynomial affine model of gravity in three dimensions | 29 pages, 3 figures, EPJC format | null | 10.1140/epjc/s10052-021-09938-4 | null | gr-qc hep-th math-ph math.MP | http://creativecommons.org/licenses/by-sa/4.0/ | The polynomial affine gravity is a model that is built up without the
explicit use of a metric tensor field. In this article we reformulate the
three-dimensional model and, given the decomposition of the affine connection,
we analyse the consistently truncated sectors. Using the cosmological ansatz
for the connection... | [
{
"created": "Thu, 15 Jul 2021 09:34:44 GMT",
"version": "v1"
}
] | 2022-01-26 | [
[
"Castillo-Felisola",
"Oscar",
""
],
[
"Orellana",
"Oscar",
""
],
[
"Perdiguero",
"José",
""
],
[
"Ramírez",
"Francisca",
""
],
[
"Skirzewski",
"Aureliano",
""
],
[
"Zerwekh",
"Alfonso R.",
""
]
] | The polynomial affine gravity is a model that is built up without the explicit use of a metric tensor field. In this article we reformulate the three-dimensional model and, given the decomposition of the affine connection, we analyse the consistently truncated sectors. Using the cosmological ansatz for the connection, ... |
gr-qc/0204018 | Ralf Schutzhold | Ralf Sch\"utzhold | A cosmological constant from the QCD trace anomaly? | 4 pages, RevTeX | null | 10.1103/PhysRevLett.89.081302 | null | gr-qc | null | According to recent astrophysical observations the large scale mean pressure
of our present universe is negative suggesting a positive cosmological constant
like term. This article addresses the question of whether non-perturbative
effects of self-interacting quantum fields in curved space-times may yield a
significa... | [
{
"created": "Thu, 4 Apr 2002 04:01:50 GMT",
"version": "v1"
}
] | 2009-11-07 | [
[
"Schützhold",
"Ralf",
""
]
] | According to recent astrophysical observations the large scale mean pressure of our present universe is negative suggesting a positive cosmological constant like term. This article addresses the question of whether non-perturbative effects of self-interacting quantum fields in curved space-times may yield a significant... |
0812.4703 | Abhay Ashtekar | Abhay Ashtekar | Singularity Resolution in Loop Quantum Cosmology: A Brief Overview | 12 pages. Addressed to experts in classical general relativity. Based
on a talk at the NEB XIII conference held at Thessaloniki. To appear in
Journal of Physics Proceedings Series | J.Phys.Conf.Ser.189:012003,2009 | 10.1088/1742-6596/189/1/012003 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | A brief summary of the singularity resolution in loop quantum cosmology of
homogeneous isotropic models is presented. The article is addressed to
relativists who do not specialize in quantum gravity. For further details, and
answers to more technical asked questions, the reader is directed to the
original papers and ... | [
{
"created": "Fri, 26 Dec 2008 20:02:54 GMT",
"version": "v1"
}
] | 2009-11-05 | [
[
"Ashtekar",
"Abhay",
""
]
] | A brief summary of the singularity resolution in loop quantum cosmology of homogeneous isotropic models is presented. The article is addressed to relativists who do not specialize in quantum gravity. For further details, and answers to more technical asked questions, the reader is directed to the original papers and to... |
gr-qc/0111064 | null | Sukanta Bose and L.P. Grishchuk | On the observational determination of squeezing in relic gravitational
waves and primordial density perturbations | 34 pages, 3 figures; to appear in Phys. Rev. D66, 0435XX (2002);
includes Note Added in Proofs: "The latest CBI observations (T.J.Pearson et
al., astro-ph/0205388) have detected four peaks, at l ~ 550, 800, 1150, 1500,
and four dips, at l ~ 400, 700, 1050, 1400. These positions are in a very
good agreement with... | Phys.Rev. D66 (2002) 043529 | 10.1103/PhysRevD.66.043529 | null | gr-qc astro-ph hep-th | null | We develop a theory in which relic gravitational waves and primordial density
perturbations are generated by strong variable gravitational field of the early
Universe. The generating mechanism is the superadiabatic (parametric)
amplification of the zero-point quantum oscillations. The generated fields have
specific s... | [
{
"created": "Tue, 20 Nov 2001 12:52:28 GMT",
"version": "v1"
},
{
"created": "Fri, 7 Jun 2002 13:45:37 GMT",
"version": "v2"
},
{
"created": "Fri, 26 Jul 2002 12:05:23 GMT",
"version": "v3"
}
] | 2009-11-07 | [
[
"Bose",
"Sukanta",
""
],
[
"Grishchuk",
"L. P.",
""
]
] | We develop a theory in which relic gravitational waves and primordial density perturbations are generated by strong variable gravitational field of the early Universe. The generating mechanism is the superadiabatic (parametric) amplification of the zero-point quantum oscillations. The generated fields have specific sta... |
2202.04908 | Kei-Ichi Maeda | Kei-ichi Maeda and Sirachak Panpanich | Cuscuta-Galileon cosmology: Dynamics, gravitational "constant"s and the
Hubble Constant | 25 pages, 13 figures | Physical Review D 105 (2022) 104022 | 10.1103/PhysRevD.105.104022 | null | gr-qc astro-ph.CO hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We discuss cosmology based on a Cuscuta-Galileon gravity theory, which
preserves just two degrees of freedom. Although there exists no additional
degrees of freedom, introduction of a potential of a scalar field changes the
dynamics. The scalar field is completely determined by matter fields. Giving an
exponential po... | [
{
"created": "Thu, 10 Feb 2022 09:05:42 GMT",
"version": "v1"
},
{
"created": "Sat, 19 Feb 2022 06:17:26 GMT",
"version": "v2"
},
{
"created": "Mon, 16 May 2022 08:19:37 GMT",
"version": "v3"
}
] | 2022-05-17 | [
[
"Maeda",
"Kei-ichi",
""
],
[
"Panpanich",
"Sirachak",
""
]
] | We discuss cosmology based on a Cuscuta-Galileon gravity theory, which preserves just two degrees of freedom. Although there exists no additional degrees of freedom, introduction of a potential of a scalar field changes the dynamics. The scalar field is completely determined by matter fields. Giving an exponential pote... |
gr-qc/0005135 | Ion Cotaescu | Ion I. Cotaescu (The West University of Timi\c{s}oara, Romania) | External symmetry in general relativity | 25 pages, Latex | J.Phys.A33:9177-9192,2000 | 10.1088/0305-4470/33/50/304 | null | gr-qc | null | We propose a generalization of the isometry transformations to the geometric
context of the field theories with spin where the local frames are explicitly
involved. We define the external symmetry transformations as isometries
combined with suitable tetrad gauge transformations and we show that these form
a group whi... | [
{
"created": "Wed, 31 May 2000 16:36:50 GMT",
"version": "v1"
}
] | 2012-03-24 | [
[
"Cotaescu",
"Ion I.",
"",
"The West University of Timişoara, Romania"
]
] | We propose a generalization of the isometry transformations to the geometric context of the field theories with spin where the local frames are explicitly involved. We define the external symmetry transformations as isometries combined with suitable tetrad gauge transformations and we show that these form a group which... |
1901.06561 | Anzhong Wang | K. Bronnikov, N. O. Santos, Anzhong Wang | Cylindrical Systems in General Relativity | revote-4, 1 table and 8 figures. Class. Quantum Grav. 37 (2020)
113002 (85pp) | Class. Quantum Grav. 37 (2020) 113002 | 10.1088/1361-6382/ab7bba | null | gr-qc astro-ph.CO hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | With the arrival of the era of gravitational wave astronomy, the strong
gravitational field regime will be explored soon in various aspects. In this
article, we provide a general review over cylindrical systems in Einstein's
theory of general relativity. In particular, we first review the general
properties, both loc... | [
{
"created": "Sat, 19 Jan 2019 17:49:04 GMT",
"version": "v1"
},
{
"created": "Mon, 21 Oct 2019 17:46:29 GMT",
"version": "v2"
},
{
"created": "Mon, 2 Mar 2020 15:50:19 GMT",
"version": "v3"
},
{
"created": "Tue, 12 May 2020 13:21:06 GMT",
"version": "v4"
}
] | 2020-05-13 | [
[
"Bronnikov",
"K.",
""
],
[
"Santos",
"N. O.",
""
],
[
"Wang",
"Anzhong",
""
]
] | With the arrival of the era of gravitational wave astronomy, the strong gravitational field regime will be explored soon in various aspects. In this article, we provide a general review over cylindrical systems in Einstein's theory of general relativity. In particular, we first review the general properties, both local... |
gr-qc/0202017 | null | John C. Baez, J. Daniel Christensen, Thomas R. Halford and David C.
Tsang | Spin Foam Models of Riemannian Quantum Gravity | 23 pages LaTeX; this version to appear in Classical and Quantum
Gravity | Class.Quant.Grav.19:4627-4648,2002 | 10.1088/0264-9381/19/18/301 | null | gr-qc | null | Using numerical calculations, we compare three versions of the Barrett-Crane
model of 4-dimensional Riemannian quantum gravity. In the version with face and
edge amplitudes as described by De Pietri, Freidel, Krasnov, and Rovelli, we
show the partition function diverges very rapidly for many triangulated
4-manifolds.... | [
{
"created": "Wed, 6 Feb 2002 19:29:59 GMT",
"version": "v1"
},
{
"created": "Mon, 29 Apr 2002 17:49:54 GMT",
"version": "v2"
},
{
"created": "Tue, 30 Apr 2002 01:04:25 GMT",
"version": "v3"
},
{
"created": "Sun, 21 Jul 2002 17:26:15 GMT",
"version": "v4"
}
] | 2009-11-24 | [
[
"Baez",
"John C.",
""
],
[
"Christensen",
"J. Daniel",
""
],
[
"Halford",
"Thomas R.",
""
],
[
"Tsang",
"David C.",
""
]
] | Using numerical calculations, we compare three versions of the Barrett-Crane model of 4-dimensional Riemannian quantum gravity. In the version with face and edge amplitudes as described by De Pietri, Freidel, Krasnov, and Rovelli, we show the partition function diverges very rapidly for many triangulated 4-manifolds. I... |
1707.06246 | Shahar Hod | Shahar Hod | Extremal Kerr-Newman black holes with extremely short charged scalar
hair | 11 pages | Physics Letters B 751, 177 (2015) | 10.1016/j.physletb.2015.10.039 | null | gr-qc astro-ph.HE hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The recently proved `no short hair' theorem asserts that, if a
spherically-symmetric static black hole has hair, then this hair (the external
fields) must extend beyond the null circular geodesic (the "photonsphere") of
the corresponding black-hole spacetime: $r_{\text{field}}>r_{\text{null}}$. In
this paper we provi... | [
{
"created": "Wed, 19 Jul 2017 18:00:27 GMT",
"version": "v1"
}
] | 2017-07-26 | [
[
"Hod",
"Shahar",
""
]
] | The recently proved `no short hair' theorem asserts that, if a spherically-symmetric static black hole has hair, then this hair (the external fields) must extend beyond the null circular geodesic (the "photonsphere") of the corresponding black-hole spacetime: $r_{\text{field}}>r_{\text{null}}$. In this paper we provide... |
0707.1524 | Sergiu Vacaru I. | Sergiu I. Vacaru | Finsler-Lagrange Geometries and Standard Theories in Physics: New
Methods in Einstein and String Gravity | latex 2e, 11pt, 86 pages, v3 with a up-dated references; a short
variant of this review was accepted for IJGMMP (2008), see also arXiv:
0801.4958 [gr-qc] | null | null | null | gr-qc hep-th math-ph math.MP math.SG | null | In this article, we review the current status of Finsler-Lagrange geometry
and generalizations. The goal is to aid non-experts on Finsler spaces, but
physicists and geometers skilled in general relativity and particle theories,
to understand the crucial importance of such geometric methods for applications
in modern ... | [
{
"created": "Wed, 11 Jul 2007 17:49:19 GMT",
"version": "v1"
},
{
"created": "Thu, 19 Jul 2007 23:55:14 GMT",
"version": "v2"
},
{
"created": "Thu, 31 Jan 2008 19:40:59 GMT",
"version": "v3"
}
] | 2008-01-31 | [
[
"Vacaru",
"Sergiu I.",
""
]
] | In this article, we review the current status of Finsler-Lagrange geometry and generalizations. The goal is to aid non-experts on Finsler spaces, but physicists and geometers skilled in general relativity and particle theories, to understand the crucial importance of such geometric methods for applications in modern ph... |
1711.00926 | Swetha Bhagwat | Swetha Bhagwat, Maria Okounkova and Stefan W. Ballmer, Duncan A.
Brown, Matthew Giesler, Mark A. Scheel, Saul A. Teukolsky | On choosing the start time of binary black hole ringdown | 23+4 pages, 22 figures | Phys. Rev. D 97, 104065 (2018) | 10.1103/PhysRevD.97.104065 | null | gr-qc astro-ph.GA astro-ph.HE hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The final stage of a binary black hole merger is ringdown, in which the
system is described by a Kerr black hole with quasinormal mode perturbations.
It is far from straightforward to identify the time at which the ringdown
begins. Yet determining this time is important for precision tests of the
general theory of re... | [
{
"created": "Thu, 2 Nov 2017 20:39:43 GMT",
"version": "v1"
},
{
"created": "Mon, 6 Nov 2017 23:08:16 GMT",
"version": "v2"
}
] | 2018-06-06 | [
[
"Bhagwat",
"Swetha",
""
],
[
"Okounkova",
"Maria",
""
],
[
"Ballmer",
"Stefan W.",
""
],
[
"Brown",
"Duncan A.",
""
],
[
"Giesler",
"Matthew",
""
],
[
"Scheel",
"Mark A.",
""
],
[
"Teukolsky",
"Saul A.",
""... | The final stage of a binary black hole merger is ringdown, in which the system is described by a Kerr black hole with quasinormal mode perturbations. It is far from straightforward to identify the time at which the ringdown begins. Yet determining this time is important for precision tests of the general theory of rela... |
gr-qc/0009079 | Lars Samuelsson | M. Karlovini, K. Rosquist and L. Samuelsson | Constructing stellar objects with multiple necks | 15 pages, 7 figures, slightly revised version | Class.Quant.Grav.18:817-832,2001 | 10.1088/0264-9381/18/5/305 | USITP 2000-14 | gr-qc | null | We discuss the construction of perfect fluid stellar objects having optical
geometries with multiple necks corresponding to spatially closed unstable
lightlike geodesics. We prove that there exist physically reasonable models
with arbitrarily many necks. We also show how a first order phase transition
can give rise t... | [
{
"created": "Fri, 22 Sep 2000 15:19:28 GMT",
"version": "v1"
},
{
"created": "Thu, 12 Oct 2000 13:48:17 GMT",
"version": "v2"
}
] | 2010-05-12 | [
[
"Karlovini",
"M.",
""
],
[
"Rosquist",
"K.",
""
],
[
"Samuelsson",
"L.",
""
]
] | We discuss the construction of perfect fluid stellar objects having optical geometries with multiple necks corresponding to spatially closed unstable lightlike geodesics. We prove that there exist physically reasonable models with arbitrarily many necks. We also show how a first order phase transition can give rise to ... |
1912.12424 | Fabrizio Tamburini | Fabrizio Tamburini and Ignazio Licata | General Relativistic Wormhole Connections from Planck-Scales and the ER
= EPR Conjecture | 9 pages | Entropy 2020, 22(1), 3 - 18 Dec 2019 (This article belongs to the
Special Issue Relativistic Quantum Information) | 10.3390/e22010003 | null | gr-qc quant-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Einstein's equations of general relativity (GR) can describe the connection
between events within a given hypervolume of size $L$ larger than the Planck
length $L_P$ in terms of wormhole connections where metric fluctuations give
rise to an indetermination relationship that involves the Riemann curvature
tensor. At l... | [
{
"created": "Sat, 28 Dec 2019 08:23:28 GMT",
"version": "v1"
}
] | 2020-01-01 | [
[
"Tamburini",
"Fabrizio",
""
],
[
"Licata",
"Ignazio",
""
]
] | Einstein's equations of general relativity (GR) can describe the connection between events within a given hypervolume of size $L$ larger than the Planck length $L_P$ in terms of wormhole connections where metric fluctuations give rise to an indetermination relationship that involves the Riemann curvature tensor. At low... |
1403.7121 | Maite Dupuis | Valentin Bonzom, Mait\'e Dupuis, Florian Girelli | Towards the Turaev-Viro amplitudes from a Hamiltonian constraint | 24 pages, 6 figures | Phys. Rev. D 90, 104038 (2014) | 10.1103/PhysRevD.90.104038 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | 3D Loop Quantum Gravity with a vanishing cosmological constant can be related
to the quantization of the $\textrm{SU}(2)$ BF theory discretized on a lattice.
At the classical level, this discrete model characterizes discrete flat
geometries and its phase space is built from $T^\ast \textrm{SU}(2)$. In a
recent paper ... | [
{
"created": "Thu, 27 Mar 2014 16:30:51 GMT",
"version": "v1"
}
] | 2014-12-03 | [
[
"Bonzom",
"Valentin",
""
],
[
"Dupuis",
"Maité",
""
],
[
"Girelli",
"Florian",
""
]
] | 3D Loop Quantum Gravity with a vanishing cosmological constant can be related to the quantization of the $\textrm{SU}(2)$ BF theory discretized on a lattice. At the classical level, this discrete model characterizes discrete flat geometries and its phase space is built from $T^\ast \textrm{SU}(2)$. In a recent paper \c... |
2004.14801 | Sunil Kumar Tripathy Dr. | S K Tripathy | Modelling Casimir Wormholes in Extended Gravity | 13 pages, 6 figures | Physics of the Dark Universe, 31, 100757 (2021) | 10.1016/j.dark.2020.100757 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | A model of traversable wormhole in an extended gravity theory has been
proposed. The Casimir effect and Generalised Uncertainty Principle (GUP)
arising out of the concept of minimal length have been considered to obtain the
shape function, radial and tangential pressure of the wormhole. The effects of
the GUP paramet... | [
{
"created": "Wed, 29 Apr 2020 05:42:16 GMT",
"version": "v1"
},
{
"created": "Tue, 15 Dec 2020 05:54:47 GMT",
"version": "v2"
}
] | 2020-12-16 | [
[
"Tripathy",
"S K",
""
]
] | A model of traversable wormhole in an extended gravity theory has been proposed. The Casimir effect and Generalised Uncertainty Principle (GUP) arising out of the concept of minimal length have been considered to obtain the shape function, radial and tangential pressure of the wormhole. The effects of the GUP parameter... |
1407.6465 | Rajibul Shaikh | Rajibul Shaikh, Sayan Kar, and Anirvan DasGupta | Evolution of geodesic congruences in a gravitationally collapsing scalar
field background | 24 pages, 14 figures, revised version with new results | Phys. Rev. D 90, 124069 (2014) | 10.1103/PhysRevD.90.124069 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The evolution of timelike geodesic congruences in a spherically symmetric,
nonstatic, inhomogeneous spacetime representing gravitational collapse of a
massless scalar field is studied. We delineate how initial values of the
expansion, rotation and shear of a congruence, as well as the spacetime
curvature, influence t... | [
{
"created": "Thu, 24 Jul 2014 06:19:20 GMT",
"version": "v1"
},
{
"created": "Wed, 22 Oct 2014 12:15:43 GMT",
"version": "v2"
},
{
"created": "Mon, 12 Jan 2015 10:02:16 GMT",
"version": "v3"
}
] | 2015-01-13 | [
[
"Shaikh",
"Rajibul",
""
],
[
"Kar",
"Sayan",
""
],
[
"DasGupta",
"Anirvan",
""
]
] | The evolution of timelike geodesic congruences in a spherically symmetric, nonstatic, inhomogeneous spacetime representing gravitational collapse of a massless scalar field is studied. We delineate how initial values of the expansion, rotation and shear of a congruence, as well as the spacetime curvature, influence the... |
2109.04045 | Titus K Mathew | V Mohammed Shareef, ND Jerin Mohan and Titus K Mathew | Contrasting the bulk viscous model with the standard $\Lambda$CDM using
Bayesian statistics | 18 pages and 4 figures | null | null | null | gr-qc | http://creativecommons.org/publicdomain/zero/1.0/ | Causal dissipative model is a plausible choice to explain the late
accelerated epoch of universe. At the same time $\Lambda$CDM is considered to
be standard model to explain the cosmological data corresponding to the late
evolution of the universe. We consider a bulk viscus model in which the
dissipation is driven by... | [
{
"created": "Thu, 9 Sep 2021 05:49:27 GMT",
"version": "v1"
}
] | 2021-09-10 | [
[
"Shareef",
"V Mohammed",
""
],
[
"Mohan",
"ND Jerin",
""
],
[
"Mathew",
"Titus K",
""
]
] | Causal dissipative model is a plausible choice to explain the late accelerated epoch of universe. At the same time $\Lambda$CDM is considered to be standard model to explain the cosmological data corresponding to the late evolution of the universe. We consider a bulk viscus model in which the dissipation is driven by t... |
2207.13761 | Sajad A. Bhat | Sajad A. Bhat, Pankaj Saini, Marc Favata and K. G. Arun | Systematic bias on the inspiral-merger-ringdown consistency test due to
neglect of orbital eccentricity | 15 pages, 16 Figures, published in Phys. Rev. D. v2: minor changes to
match the published version | Phys. Rev. D 107, 024009 (2023) | 10.1103/PhysRevD.107.024009 | LIGO Preprint No. P2200216 | gr-qc astro-ph.HE | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The inspiral-merger-ringdown (IMR) consistency test checks the consistency of
the final mass and final spin of a binary black hole merger remnant,
independently inferred via the inspiral and merger-ringdown parts of the
waveform. As binaries are expected to be nearly circularized when entering the
frequency band of g... | [
{
"created": "Wed, 27 Jul 2022 19:33:29 GMT",
"version": "v1"
},
{
"created": "Mon, 6 Feb 2023 06:03:56 GMT",
"version": "v2"
}
] | 2023-02-07 | [
[
"Bhat",
"Sajad A.",
""
],
[
"Saini",
"Pankaj",
""
],
[
"Favata",
"Marc",
""
],
[
"Arun",
"K. G.",
""
]
] | The inspiral-merger-ringdown (IMR) consistency test checks the consistency of the final mass and final spin of a binary black hole merger remnant, independently inferred via the inspiral and merger-ringdown parts of the waveform. As binaries are expected to be nearly circularized when entering the frequency band of gro... |
0908.2180 | Boris Alexeev V | Boris V. Alexeev | Antigravitation, Dark Energy, Dark Matter - Alternative Solution | 31 pages, 12 figures, 1 table | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Collisional damping of gravitational waves in the Newtonian matter is
investigated. The generalized theory of Landau damping is applied to the
gravitational physical systems in the context of the plasma gravitational
analogy.
| [
{
"created": "Sat, 15 Aug 2009 14:49:08 GMT",
"version": "v1"
},
{
"created": "Wed, 19 Aug 2009 11:29:55 GMT",
"version": "v2"
},
{
"created": "Fri, 4 Sep 2009 14:04:30 GMT",
"version": "v3"
}
] | 2009-09-04 | [
[
"Alexeev",
"Boris V.",
""
]
] | Collisional damping of gravitational waves in the Newtonian matter is investigated. The generalized theory of Landau damping is applied to the gravitational physical systems in the context of the plasma gravitational analogy. |
1309.3889 | Alexei Zayats | Alexander B. Balakin, Ruslan K. Muharlyamov, Alexei E. Zayats | Nonminimal Einstein-Maxwell-Vlasov-axion model | 16 pages, final version | Class. Quantum Grav. 31: 025005, 2014 | 10.1088/0264-9381/31/2/025005 | null | gr-qc astro-ph.HE hep-ph hep-th physics.plasm-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We establish a new self-consistent system of equations accounting for a
nonminimal coupling of the cooperative gravitational, electromagnetic and
pseudoscalar (axion) fields in a multi-component relativistic plasma. The
axionic extension of the nonminimal Einstein-Maxwell-Vlasov theory is based on
two consistent proc... | [
{
"created": "Mon, 16 Sep 2013 10:30:53 GMT",
"version": "v1"
},
{
"created": "Thu, 28 Nov 2013 06:08:54 GMT",
"version": "v2"
}
] | 2013-12-02 | [
[
"Balakin",
"Alexander B.",
""
],
[
"Muharlyamov",
"Ruslan K.",
""
],
[
"Zayats",
"Alexei E.",
""
]
] | We establish a new self-consistent system of equations accounting for a nonminimal coupling of the cooperative gravitational, electromagnetic and pseudoscalar (axion) fields in a multi-component relativistic plasma. The axionic extension of the nonminimal Einstein-Maxwell-Vlasov theory is based on two consistent proced... |
1111.2385 | Xin-Zhou Li | Xi-Chen Ao and Xin-Zhou Li | Torsion Cosmology of Poincar\'e gauge theory and the constraints of its
parameters via SNeIa data | 10pages,5 figures | JCAP 1202:003,2012 | 10.1088/1475-7516/2012/02/003 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Poincar\`e gauge theory (PGT) is an alternative gravity theory, which
attempts to bring the gravity into the gauge-theoretic frame, where the
Lagrangian is quadratic in torsion and curvature. Recently, the cosmological
models with torsion based on this theory have drawn many attentions, which try
to explain the cosmi... | [
{
"created": "Thu, 10 Nov 2011 02:48:33 GMT",
"version": "v1"
}
] | 2012-03-23 | [
[
"Ao",
"Xi-Chen",
""
],
[
"Li",
"Xin-Zhou",
""
]
] | Poincar\`e gauge theory (PGT) is an alternative gravity theory, which attempts to bring the gravity into the gauge-theoretic frame, where the Lagrangian is quadratic in torsion and curvature. Recently, the cosmological models with torsion based on this theory have drawn many attentions, which try to explain the cosmic ... |
1903.00546 | Osvaldo M. Moreschi | Osvaldo M. Moreschi | Convenient filtering techniques for LIGO strain of the GW150914 event | null | null | 10.1088/1475-7516/2019/04/032 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present a new strategy for the pre-processing filtering techniques of the
LIGO strain of the GW150914\cite{Abbott:2016blz,TheLIGOScientific:2016wfe}
event that intends to extract as much physical information as possible,
minimizing the use of prior assumptions, and avoiding transformations of the
astrophysical sig... | [
{
"created": "Fri, 1 Mar 2019 21:34:15 GMT",
"version": "v1"
}
] | 2019-04-24 | [
[
"Moreschi",
"Osvaldo M.",
""
]
] | We present a new strategy for the pre-processing filtering techniques of the LIGO strain of the GW150914\cite{Abbott:2016blz,TheLIGOScientific:2016wfe} event that intends to extract as much physical information as possible, minimizing the use of prior assumptions, and avoiding transformations of the astrophysical signa... |
0903.4122 | Nakia Carlevaro | Nakia Carlevaro, Giovanni Montani | The Jeans Mechanism and Bulk-Viscosity Effects | Proceedings of The 3rd Stueckelberg Workshop on Relativistic Field
Theories | Proc. of The 3rd Stueckelberg Workshop on Relativistic Field
Theories, p. 143 (Cambridge Sci. Pub, 2010) | null | null | gr-qc astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this paper we study the gravitational instability in presence of
viscosity. In particular, the standard Jeans Mechanism is analyzed taking into
account bulk-viscosity effects in the first-order Newtonian dynamics. We show
how the perturbation evolution is damped by dissipative processes and the
top-down fragmentat... | [
{
"created": "Tue, 24 Mar 2009 16:28:41 GMT",
"version": "v1"
},
{
"created": "Thu, 26 Mar 2009 15:44:24 GMT",
"version": "v2"
},
{
"created": "Mon, 30 Mar 2009 13:23:41 GMT",
"version": "v3"
}
] | 2012-05-28 | [
[
"Carlevaro",
"Nakia",
""
],
[
"Montani",
"Giovanni",
""
]
] | In this paper we study the gravitational instability in presence of viscosity. In particular, the standard Jeans Mechanism is analyzed taking into account bulk-viscosity effects in the first-order Newtonian dynamics. We show how the perturbation evolution is damped by dissipative processes and the top-down fragmentatio... |
0708.1914 | Michael P\"urrer | Michael P\"urrer | Global versus Local Aspects of Critical Collapse | PhD thesis, University of Vienna, July 2007, 178 pages, 65 figures | null | null | null | gr-qc | null | This thesis deals with critical collapse of a massless scalar field coupled
to Einstein's equations in spherical symmetry. The system is numerically
investigated from both global and local points of view using a characteristic
slicing and radial compactification. We find that the critical exponent that
characterizes ... | [
{
"created": "Tue, 14 Aug 2007 15:02:26 GMT",
"version": "v1"
}
] | 2007-08-15 | [
[
"Pürrer",
"Michael",
""
]
] | This thesis deals with critical collapse of a massless scalar field coupled to Einstein's equations in spherical symmetry. The system is numerically investigated from both global and local points of view using a characteristic slicing and radial compactification. We find that the critical exponent that characterizes th... |
1501.00554 | Wolfgang Muschik | Wolfgang Muschik, Horst-Heino v. Borzeszkowski | Entropy Production and Equilibrium Conditions in General-Covariant
Continuum Physics | 11 pages | null | 10.1515/jnet-2015-0002 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Starting out with an entropy identity, the entropy flux, the entropy
production and the corresponding Gibbs and Gibbs-Duhem equations of
general-covariant conti\-nuum thermodynamics are established. Non-dissipative
materials and equilibria are investigated. It is proved that equilibrium
conditions only put on materia... | [
{
"created": "Sat, 3 Jan 2015 11:23:42 GMT",
"version": "v1"
}
] | 2017-03-08 | [
[
"Muschik",
"Wolfgang",
""
],
[
"Borzeszkowski",
"Horst-Heino v.",
""
]
] | Starting out with an entropy identity, the entropy flux, the entropy production and the corresponding Gibbs and Gibbs-Duhem equations of general-covariant conti\-nuum thermodynamics are established. Non-dissipative materials and equilibria are investigated. It is proved that equilibrium conditions only put on material ... |
gr-qc/9402001 | null | L.B. Szabados | Two dimensional Sen connections in general relativity | 14 pages, Plain Tex, no report number | Class.Quant.Grav.11:1833-1846,1994 | 10.1088/0264-9381/11/7/019 | null | gr-qc | null | The two dimensional version of the Sen connection for spinors and tensors on
spacelike 2-surfaces is constructed. A complex metric $\gamma_{AB}$ on the spin
spaces is found which characterizes both the algebraic and extrinsic
geometrical properties of the 2-surface $\$ $. The curvature of the two
dimensional Sen oper... | [
{
"created": "Tue, 1 Feb 1994 16:08:00 GMT",
"version": "v1"
}
] | 2010-04-06 | [
[
"Szabados",
"L. B.",
""
]
] | The two dimensional version of the Sen connection for spinors and tensors on spacelike 2-surfaces is constructed. A complex metric $\gamma_{AB}$ on the spin spaces is found which characterizes both the algebraic and extrinsic geometrical properties of the 2-surface $\$ $. The curvature of the two dimensional Sen operat... |
1307.8312 | Hyung Won Lee | Kyoung Yee Kim, Hyung Won Lee, Yun Soo Myung | Late-time acceleration in the coupled Cubic Galileon models | 14pages, 5figures, version to appear in PRD | Phys. Rev. D 88, 123001 (2013) | 10.1103/PhysRevD.88.123001 | null | gr-qc astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate the linearly and quadratically coupled cubic Galileon models
that include linear potentials. These models may explain the late-time
acceleration. In these cases, we need two equations of state parameter named
the native and effective equations of state to test whether the universe is
accelerating or no... | [
{
"created": "Wed, 31 Jul 2013 13:25:48 GMT",
"version": "v1"
},
{
"created": "Mon, 18 Nov 2013 23:38:17 GMT",
"version": "v2"
}
] | 2013-12-16 | [
[
"Kim",
"Kyoung Yee",
""
],
[
"Lee",
"Hyung Won",
""
],
[
"Myung",
"Yun Soo",
""
]
] | We investigate the linearly and quadratically coupled cubic Galileon models that include linear potentials. These models may explain the late-time acceleration. In these cases, we need two equations of state parameter named the native and effective equations of state to test whether the universe is accelerating or not ... |
1509.06058 | Vladimir Popov | Alexander B. Balakin and Vladimir A. Popov | Spin-axion coupling | 15 pages; replaced with the version accepted for publication in Phys.
Rev. D; new Subsection IVB and 13 references are added | Phys. Rev. D 92, 105025 (2015) | 10.1103/PhysRevD.92.105025 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We establish a new covariant phenomenological model, which describes an
influence of pseudoscalar (axion) field on spins of test massive particles. The
model includes general relativistic equations of particle motion and spin
evolution in background pseudoscalar (axion), electromagnetic and gravitational
fields. It d... | [
{
"created": "Sun, 20 Sep 2015 21:13:25 GMT",
"version": "v1"
},
{
"created": "Wed, 28 Oct 2015 16:31:57 GMT",
"version": "v2"
}
] | 2015-11-23 | [
[
"Balakin",
"Alexander B.",
""
],
[
"Popov",
"Vladimir A.",
""
]
] | We establish a new covariant phenomenological model, which describes an influence of pseudoscalar (axion) field on spins of test massive particles. The model includes general relativistic equations of particle motion and spin evolution in background pseudoscalar (axion), electromagnetic and gravitational fields. It des... |
1803.10289 | Sebastian Steinhaus | Sebastian Steinhaus and Johannes Th\"urigen | Emergence of Spacetime in a restricted Spin-foam model | 27 pages, 6 figures, 4 tables, v2: minor corrections, improved and
added plots of return probability, v3: matching published version | Phys. Rev. D 98, 026013 (2018) | 10.1103/PhysRevD.98.026013 | null | gr-qc hep-lat hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The spectral dimension has proven to be a very informative observable to
understand the properties of quantum geometries in approaches to quantum
gravity. In loop quantum gravity and its spin foam description, it has not been
possible so far to calculate the spectral dimension of spacetime. As a first
step towards th... | [
{
"created": "Tue, 27 Mar 2018 19:49:48 GMT",
"version": "v1"
},
{
"created": "Mon, 16 Apr 2018 20:09:59 GMT",
"version": "v2"
},
{
"created": "Tue, 18 Sep 2018 18:11:40 GMT",
"version": "v3"
}
] | 2018-09-20 | [
[
"Steinhaus",
"Sebastian",
""
],
[
"Thürigen",
"Johannes",
""
]
] | The spectral dimension has proven to be a very informative observable to understand the properties of quantum geometries in approaches to quantum gravity. In loop quantum gravity and its spin foam description, it has not been possible so far to calculate the spectral dimension of spacetime. As a first step towards this... |
1607.03593 | Nami Uchikata | Nami Uchikata, Shijun Yoshida and Paolo Pani | Tidal deformability and I-Love-Q relations for gravastars with
polytropic thin shells | 18 pages, 9 figures | Phys. Rev. D 94, 064015 (2016) | 10.1103/PhysRevD.94.064015 | null | gr-qc astro-ph.HE | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The moment of inertia, the spin-induced quadrupole moment, and the tidal Love
number of neutron-star and quark-star models are related through some relations
which depend only mildly on the stellar equation of state. These "I-Love-Q"
relations have important implications for astrophysics and gravitational-wave
astron... | [
{
"created": "Wed, 13 Jul 2016 05:01:25 GMT",
"version": "v1"
}
] | 2016-09-14 | [
[
"Uchikata",
"Nami",
""
],
[
"Yoshida",
"Shijun",
""
],
[
"Pani",
"Paolo",
""
]
] | The moment of inertia, the spin-induced quadrupole moment, and the tidal Love number of neutron-star and quark-star models are related through some relations which depend only mildly on the stellar equation of state. These "I-Love-Q" relations have important implications for astrophysics and gravitational-wave astronom... |
2108.00696 | Yong Song | Yong Song | The evolutions of the innermost stable circular orbits in dynamical
spacetimes | null | Eur. Phys. J. C (2021) 81:875 | 10.1140/epjc/s10052-021-09623-6 | null | gr-qc | http://creativecommons.org/licenses/by/4.0/ | In this paper, we studied the evolutions of the innermost stable circular
orbits (ISCOs) in dynamical spacetimes. At first, we reviewed the method to
obtain the ISCO in Schwarzschild spacetime by varying its conserved orbital
angular momentum. Then, we demonstrated this method is equivalent to the
effective potential... | [
{
"created": "Mon, 2 Aug 2021 08:03:30 GMT",
"version": "v1"
}
] | 2022-08-09 | [
[
"Song",
"Yong",
""
]
] | In this paper, we studied the evolutions of the innermost stable circular orbits (ISCOs) in dynamical spacetimes. At first, we reviewed the method to obtain the ISCO in Schwarzschild spacetime by varying its conserved orbital angular momentum. Then, we demonstrated this method is equivalent to the effective potential m... |
gr-qc/9606032 | Jose Ademir Sales de Lima | M. R. de Garcia Maia (Universidade Federal do Rio Grande do Norte,
Natal, RN, Brazil) and J. A. S. Lima (Brown University, Providence, RI, USA
and Universidade Federal do Rio grande do Norte, Natal, RN, Brazil) | Graviton Production in Elliptical and Hyperbolic Universes | 25 pages, uses REVTEX | Phys.Rev. D54 (1996) 6111-6121 | 10.1103/PhysRevD.54.6111 | Brown-HET-1047 | gr-qc | null | The problem of cosmological graviton creation for homogeneous and isotropic
universes with elliptical ($\vae =+1$) and hyperbolical ($\vae =-1$) geometries
is addressed. The gravitational wave equation is established for a
self-gravitating fluid satisfying the barotropic equation of state $p=(\gamma
-1)\rho$, which i... | [
{
"created": "Fri, 14 Jun 1996 05:23:36 GMT",
"version": "v1"
}
] | 2009-10-28 | [
[
"Maia",
"M. R. de Garcia",
"",
"Universidade Federal do Rio Grande do Norte,\n Natal, RN, Brazil"
],
[
"Lima",
"J. A. S.",
"",
"Brown University, Providence, RI, USA\n and Universidade Federal do Rio grande do Norte, Natal, RN, Brazil"
]
] | The problem of cosmological graviton creation for homogeneous and isotropic universes with elliptical ($\vae =+1$) and hyperbolical ($\vae =-1$) geometries is addressed. The gravitational wave equation is established for a self-gravitating fluid satisfying the barotropic equation of state $p=(\gamma -1)\rho$, which is ... |
1402.3071 | Jaume Haro | J. Amor\'os, J. de Haro and S.D. Odintsov | On $R+\alpha R^2$ Loop Quantum Cosmology | 22 pages, 5 figures. Version accepted for publication in Physical
Review D | Phys. Rev. D 89, 104010 (2014) | 10.1103/PhysRevD.89.104010 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Working in Einstein frame we introduce, in order to avoid singularities,
holonomy corrections to the $f(R)=R+\alpha R^2$ model. We perform a detailed
analytical and numerical study when holonomy corrections are taken into account
in both Jordan and Einstein frames obtaining, in Jordan frame, a dynamics which
differs ... | [
{
"created": "Thu, 13 Feb 2014 09:55:02 GMT",
"version": "v1"
},
{
"created": "Thu, 17 Apr 2014 07:31:46 GMT",
"version": "v2"
}
] | 2014-05-14 | [
[
"Amorós",
"J.",
""
],
[
"de Haro",
"J.",
""
],
[
"Odintsov",
"S. D.",
""
]
] | Working in Einstein frame we introduce, in order to avoid singularities, holonomy corrections to the $f(R)=R+\alpha R^2$ model. We perform a detailed analytical and numerical study when holonomy corrections are taken into account in both Jordan and Einstein frames obtaining, in Jordan frame, a dynamics which differs qu... |
2209.12544 | Rajibul Shaikh | Inyong Cho and Rajibul Shaikh | Perfect fluid with shear viscosity and spacetime evolution | 22 pages, 5 captioned figures, Title changed, revised version
published in Chinese Journal of Physics | Chinese Journal of Physics 87, 452-464 (2024) | 10.1016/j.cjph.2023.12.017 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate the anisotropic evolution of spacetime driven by perfect fluid
with off-diagonal shear-viscosity components. We consider the simplest form of
the equation of state for fluid, for which the pressure and the shear stress
are proportional to the energy density individually. At late times, compared
with th... | [
{
"created": "Mon, 26 Sep 2022 10:04:18 GMT",
"version": "v1"
},
{
"created": "Thu, 8 Dec 2022 13:07:11 GMT",
"version": "v2"
},
{
"created": "Thu, 15 Jun 2023 04:03:11 GMT",
"version": "v3"
},
{
"created": "Fri, 22 Dec 2023 07:56:12 GMT",
"version": "v4"
}
] | 2023-12-25 | [
[
"Cho",
"Inyong",
""
],
[
"Shaikh",
"Rajibul",
""
]
] | We investigate the anisotropic evolution of spacetime driven by perfect fluid with off-diagonal shear-viscosity components. We consider the simplest form of the equation of state for fluid, for which the pressure and the shear stress are proportional to the energy density individually. At late times, compared with the ... |
1811.01529 | Akram Sadat Sefiedgar | A. S. Sefiedgar and M. Mirzazadeh | Thermodynamics of the FRW universe at the event horizon in Palatini f(R)
gravity | null | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In an accelerated expanding universe, one can expect the existence of an
event horizon. It may be interesting to study the thermodynamics of the
Friedmann-Robertson-Walker (FRW) universe at the event horizon. Considering the
usual Hawking temperature, the first law of thermodynamics does not hold on the
event horizon... | [
{
"created": "Mon, 5 Nov 2018 06:32:01 GMT",
"version": "v1"
}
] | 2018-11-06 | [
[
"Sefiedgar",
"A. S.",
""
],
[
"Mirzazadeh",
"M.",
""
]
] | In an accelerated expanding universe, one can expect the existence of an event horizon. It may be interesting to study the thermodynamics of the Friedmann-Robertson-Walker (FRW) universe at the event horizon. Considering the usual Hawking temperature, the first law of thermodynamics does not hold on the event horizon. ... |
gr-qc/0101120 | Cosimo Stornaiolo | Cosimo Stornaiolo | Cosmological Black Holes | 14 pages, new completely revised version, to appear on GRG | Gen.Rel.Grav. 34 (2002) 2089-2099 | 10.1023/A:1021183417872 | null | gr-qc astro-ph | null | In this paper we propose a model for the formation of the cosmological voids.
We show that cosmological voids can form directly after the collapse of
extremely large wavelength perturbations into low-density black holes or
cosmological black holes (CBH). Consequently the voids are formed by the
comoving expansion of ... | [
{
"created": "Tue, 30 Jan 2001 16:17:07 GMT",
"version": "v1"
},
{
"created": "Thu, 4 Jul 2002 10:57:19 GMT",
"version": "v2"
}
] | 2015-06-25 | [
[
"Stornaiolo",
"Cosimo",
""
]
] | In this paper we propose a model for the formation of the cosmological voids. We show that cosmological voids can form directly after the collapse of extremely large wavelength perturbations into low-density black holes or cosmological black holes (CBH). Consequently the voids are formed by the comoving expansion of th... |
1411.4130 | Tsutomu Kobayashi | Tsutomu Kobayashi, Yuki Watanabe, Daisuke Yamauchi | Breaking of Vainshtein screening in scalar-tensor theories beyond
Horndeski | 14 pages, 1 figure; v2: additional material added, published version | Phys. Rev. D 91, 064013 (2015) | 10.1103/PhysRevD.91.064013 | RUP-14-15, RESCEU-47/14 | gr-qc astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The Horndeski theory of gravity is known as the most general scalar-tensor
theory with second-order field equations. Recently, it was demonstrated by
Gleyzes et al. that the Horndeski theory can further be generalized in such a
way that although field equations are of third order, the number of propagating
degrees of... | [
{
"created": "Sat, 15 Nov 2014 09:52:51 GMT",
"version": "v1"
},
{
"created": "Thu, 12 Mar 2015 01:24:55 GMT",
"version": "v2"
}
] | 2015-03-13 | [
[
"Kobayashi",
"Tsutomu",
""
],
[
"Watanabe",
"Yuki",
""
],
[
"Yamauchi",
"Daisuke",
""
]
] | The Horndeski theory of gravity is known as the most general scalar-tensor theory with second-order field equations. Recently, it was demonstrated by Gleyzes et al. that the Horndeski theory can further be generalized in such a way that although field equations are of third order, the number of propagating degrees of f... |
0711.2007 | Bruno Christophe | B. Christophe and P.H. Andersen and J.D. Anderson and S. Asmar and Ph.
B\'erio and O. Bertolami and R. Bingham and F. Bondu and Ph. Bouyer and S.
Bremer and J.-M. Courty and H. Dittus and B. Foulon and P. Gil and U. Johann
and J.F. Jordan and B. Kent and C. L\"ammerzahl and A. L\'evy and G. M\'etris
and O. Olse... | Odyssey: a Solar System Mission | revision with Experimental Astronomy Referee comments, correction of
typographic errors, add of bibliographic reference, modification of authors
list, | Exper.Astron.23:529-547,2009 | 10.1007/s10686-008-9084-y | null | gr-qc | null | The Solar System Odyssey mission uses modern-day high-precision experimental
techniques to test the laws of fundamental physics which determine dynamics in
the solar system. It could lead to major discoveries by using demonstrated
technologies. The mission proposes to perform a set of precision gravitation
experiment... | [
{
"created": "Tue, 13 Nov 2007 15:28:00 GMT",
"version": "v1"
},
{
"created": "Fri, 18 Jan 2008 17:33:05 GMT",
"version": "v2"
}
] | 2009-03-12 | [
[
"Christophe",
"B.",
""
],
[
"Andersen",
"P. H.",
""
],
[
"Anderson",
"J. D.",
""
],
[
"Asmar",
"S.",
""
],
[
"Bério",
"Ph.",
""
],
[
"Bertolami",
"O.",
""
],
[
"Bingham",
"R.",
""
],
[
"Bondu",
... | The Solar System Odyssey mission uses modern-day high-precision experimental techniques to test the laws of fundamental physics which determine dynamics in the solar system. It could lead to major discoveries by using demonstrated technologies. The mission proposes to perform a set of precision gravitation experiments ... |
2406.16670 | Saulo Soares De Albuquerque Filho | Saulo Albuquerque, Sebastian H. V\"olkel, Kostas D. Kokkotas, and
Valdir B. Bezerra | Inverse problem of analog gravity systems II: rotation and
energy-dependent boundary conditions | 11 pages, 9 figures | null | null | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this work, we study the inverse problem of analog gravity systems which
admit rotation and energy-dependent boundary conditions. By extending two
recent results, we provide a recipe that allows one to relate resonant
transmission spectra with effective potentials and even reconstruct the
boundary condition at the ... | [
{
"created": "Mon, 24 Jun 2024 14:26:54 GMT",
"version": "v1"
}
] | 2024-06-25 | [
[
"Albuquerque",
"Saulo",
""
],
[
"Völkel",
"Sebastian H.",
""
],
[
"Kokkotas",
"Kostas D.",
""
],
[
"Bezerra",
"Valdir B.",
""
]
] | In this work, we study the inverse problem of analog gravity systems which admit rotation and energy-dependent boundary conditions. By extending two recent results, we provide a recipe that allows one to relate resonant transmission spectra with effective potentials and even reconstruct the boundary condition at the co... |
1705.00080 | Thomas Zannias | Jos\'e F\'elix Salazar and Thomas Zannias | On the behavior of causal geodesics on a Kerr-de Sitter spacetime | 24 pages, five figures | Phys. Rev. D 96, 024061 (2017) | 10.1103/PhysRevD.96.024061 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We analyze the behavior of causal geodesics on a Kerr-de Sitter spacetime
with particular emphasis on their completeness property. We set up an initial
value problem (IVP) whose solutions lead to a global understanding of causal
geodesics on these spacetime. Causal geodesics that avoid the rotation axis are
complete ... | [
{
"created": "Fri, 28 Apr 2017 21:26:53 GMT",
"version": "v1"
}
] | 2017-08-09 | [
[
"Salazar",
"José Félix",
""
],
[
"Zannias",
"Thomas",
""
]
] | We analyze the behavior of causal geodesics on a Kerr-de Sitter spacetime with particular emphasis on their completeness property. We set up an initial value problem (IVP) whose solutions lead to a global understanding of causal geodesics on these spacetime. Causal geodesics that avoid the rotation axis are complete ex... |
2204.00143 | Yuri Bonder | Yuri Bonder and Johas D. Morales | Bell's nonlocality and gravity | Essay written for the Gravity Research Foundation 2022 Awards for
Essays on Gravitation | null | 10.1142/S0218271822420159 | null | gr-qc quant-ph | http://creativecommons.org/licenses/by/4.0/ | The experimental results that test Bell's inequality have found strong
evidence suggesting that there are nonlocal aspects in nature. Evidently, these
nonlocal effects, which concern spacelike separated regions, create an enormous
tension between general relativity and quantum mechanics. In addition, by
avoiding the ... | [
{
"created": "Fri, 1 Apr 2022 00:20:00 GMT",
"version": "v1"
}
] | 2022-12-07 | [
[
"Bonder",
"Yuri",
""
],
[
"Morales",
"Johas D.",
""
]
] | The experimental results that test Bell's inequality have found strong evidence suggesting that there are nonlocal aspects in nature. Evidently, these nonlocal effects, which concern spacelike separated regions, create an enormous tension between general relativity and quantum mechanics. In addition, by avoiding the co... |
2211.02890 | Ribhu Paul | Ribhu Paul | Minimal length corrections to magnetic birefringence in vacuum | 12 pages, 4 figures | null | null | null | gr-qc hep-ph hep-th | http://creativecommons.org/licenses/by/4.0/ | We consider the modification to Kruglov's non-linear electrodynamics in the
presence of minimal length ($l_p$), by considering a specific formulation of
generalized uncertainty principle (GUP). The presence of minimal length has
been motivated by several candidate theories of quantum-gravity (both
perturbative and no... | [
{
"created": "Sat, 5 Nov 2022 12:15:16 GMT",
"version": "v1"
}
] | 2022-11-08 | [
[
"Paul",
"Ribhu",
""
]
] | We consider the modification to Kruglov's non-linear electrodynamics in the presence of minimal length ($l_p$), by considering a specific formulation of generalized uncertainty principle (GUP). The presence of minimal length has been motivated by several candidate theories of quantum-gravity (both perturbative and non-... |
2311.12286 | Liu Zhao | Bai-Hao Huang, Han-Wen Hu, Liu Zhao | Thermodynamics for regular black holes as intermediate thermodynamic
states and quasinormal frequencies | 21 pages. v2: more references | JCAP03(2024)053 | 10.1088/1475-7516/2024/03/053 | null | gr-qc hep-th | http://creativecommons.org/licenses/by/4.0/ | The thermodynamics for regular black holes (RBHs) is considered under the
restricted phase space (RPS) formalism. It is shown that the RPS formalism
seems to hold for RBHs, however, in order for the extensive thermodynamic
parameters to be independent from each other, the RBHs need to be viewed as
intermediate thermo... | [
{
"created": "Tue, 21 Nov 2023 01:56:23 GMT",
"version": "v1"
},
{
"created": "Thu, 23 Nov 2023 15:54:01 GMT",
"version": "v2"
}
] | 2024-03-28 | [
[
"Huang",
"Bai-Hao",
""
],
[
"Hu",
"Han-Wen",
""
],
[
"Zhao",
"Liu",
""
]
] | The thermodynamics for regular black holes (RBHs) is considered under the restricted phase space (RPS) formalism. It is shown that the RPS formalism seems to hold for RBHs, however, in order for the extensive thermodynamic parameters to be independent from each other, the RBHs need to be viewed as intermediate thermody... |
0809.1198 | Natalia Kiriushcheva | A.M. Frolov, N. Kiriushcheva and S.V. Kuzmin | On canonical transformations between equivalent Hamiltonian formulations
of General Relativity | Conclusion is considerably extended, references are added, 20 pages | null | null | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Two Hamiltonian formulations of General Relativity, due to Pirani, Schild and
Skinner (Phys. Rev. 87, 452, 1952) and Dirac (Proc. Roy. Soc. A 246, 333,
1958), are considered. Both formulations, despite having different expressions
for constraints, allow one to derive four-dimensional diffeomorphism
invariance. The re... | [
{
"created": "Sun, 7 Sep 2008 00:34:09 GMT",
"version": "v1"
},
{
"created": "Thu, 14 Jul 2011 03:39:08 GMT",
"version": "v2"
}
] | 2011-07-15 | [
[
"Frolov",
"A. M.",
""
],
[
"Kiriushcheva",
"N.",
""
],
[
"Kuzmin",
"S. V.",
""
]
] | Two Hamiltonian formulations of General Relativity, due to Pirani, Schild and Skinner (Phys. Rev. 87, 452, 1952) and Dirac (Proc. Roy. Soc. A 246, 333, 1958), are considered. Both formulations, despite having different expressions for constraints, allow one to derive four-dimensional diffeomorphism invariance. The rela... |
gr-qc/0406047 | Jong Hyuk Yoon | Jong Hyuk Yoon | New Hamiltonian formalism and quasi-local conservation equations of
general relativity | 36 pages, 3 figures, RevTex4 | Physical Review D, Vol. 70, 084037 (2004) | 10.1103/PhysRevD.70.084037 | null | gr-qc | null | I describe the Einstein's gravitation of 3+1 dimensional spacetimes using the
(2,2) formalism without assuming isometries. In this formalism, quasi-local
energy, linear momentum, and angular momentum are identified from the four
Einstein's equations of the divergence-type, and are expressed geometrically in
terms of ... | [
{
"created": "Fri, 11 Jun 2004 07:44:40 GMT",
"version": "v1"
},
{
"created": "Mon, 1 Nov 2004 07:44:42 GMT",
"version": "v2"
}
] | 2024-06-03 | [
[
"Yoon",
"Jong Hyuk",
""
]
] | I describe the Einstein's gravitation of 3+1 dimensional spacetimes using the (2,2) formalism without assuming isometries. In this formalism, quasi-local energy, linear momentum, and angular momentum are identified from the four Einstein's equations of the divergence-type, and are expressed geometrically in terms of th... |
2405.16862 | Vladimir Yanovsky | Yu.L. Bolotin, V.V.Yanovsky | Barrow entropy and spacetime foam | 5 pages, 2 figures; typos corrected, references added | null | null | null | gr-qc | http://creativecommons.org/licenses/by/4.0/ | Quantum gravitational effects, on the one hand, lead to a limitation in the
accuracy of measuring spatial and time intervals, and, on the other hand, they
generate a discrete of spacetime structure (quantum foam). The common source of
both measurement limitations and discreteness of space-time are quantum
fluctuation... | [
{
"created": "Mon, 27 May 2024 06:28:19 GMT",
"version": "v1"
},
{
"created": "Tue, 16 Jul 2024 06:45:23 GMT",
"version": "v2"
}
] | 2024-07-17 | [
[
"Bolotin",
"Yu. L.",
""
],
[
"Yanovsky",
"V. V.",
""
]
] | Quantum gravitational effects, on the one hand, lead to a limitation in the accuracy of measuring spatial and time intervals, and, on the other hand, they generate a discrete of spacetime structure (quantum foam). The common source of both measurement limitations and discreteness of space-time are quantum fluctuations,... |
gr-qc/0601055 | Lorenzo Iorio | Lorenzo Iorio, Giuseppe Giudice | What do the orbital motions of the outer planets of the Solar System
tell us about the Pioneer anomaly? | Latex2e, 19 pages, 3 tables, 10 figures, 18 references. Authorship
changed; new figures added for a direct comparison with the observable
quantities. Accepted for publication in New Astronomy | New Astron. 11 (2006) 600-607 | 10.1016/j.newast.2006.04.001 | null | gr-qc astro-ph hep-ph physics.space-ph | null | In this paper we investigate the effects that an anomalous acceleration as
that experienced by the Pioneer spacecraft after they passed the 20 AU
threshold would induce on the orbital motions of the Solar System planets
placed at heliocentric distances of 20 AU or larger as Uranus, Neptune and
Pluto. It turns out tha... | [
{
"created": "Sat, 14 Jan 2006 16:11:23 GMT",
"version": "v1"
},
{
"created": "Fri, 20 Jan 2006 16:04:50 GMT",
"version": "v2"
},
{
"created": "Mon, 13 Feb 2006 16:40:21 GMT",
"version": "v3"
},
{
"created": "Sat, 1 Apr 2006 15:06:33 GMT",
"version": "v4"
}
] | 2007-05-23 | [
[
"Iorio",
"Lorenzo",
""
],
[
"Giudice",
"Giuseppe",
""
]
] | In this paper we investigate the effects that an anomalous acceleration as that experienced by the Pioneer spacecraft after they passed the 20 AU threshold would induce on the orbital motions of the Solar System planets placed at heliocentric distances of 20 AU or larger as Uranus, Neptune and Pluto. It turns out that ... |
1609.03724 | Pierre Fleury | Pierre Fleury | Cosmic backreaction and Gauss's law | 11 pages, 7 figures, typos corrected, appendix added, bibliography
extended; v2 matches published version | Phys. Rev. D 95, 124009 (2017) | 10.1103/PhysRevD.95.124009 | null | gr-qc astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Cosmic backreaction refers to the general question of whether a homogeneous
and isotropic cosmological model is able to predict the correct expansion
dynamics of our inhomogeneous Universe. One aspect of this issue concerns the
validity of the continuous approximation: does a system of point masses expand
the same wa... | [
{
"created": "Tue, 13 Sep 2016 08:34:51 GMT",
"version": "v1"
},
{
"created": "Tue, 6 Jun 2017 16:32:16 GMT",
"version": "v2"
}
] | 2017-06-07 | [
[
"Fleury",
"Pierre",
""
]
] | Cosmic backreaction refers to the general question of whether a homogeneous and isotropic cosmological model is able to predict the correct expansion dynamics of our inhomogeneous Universe. One aspect of this issue concerns the validity of the continuous approximation: does a system of point masses expand the same way ... |
1807.00055 | Nathaniel Barlow | Ryne J. Beachley, Morgan Mistysyn, Joshua A. Faber, Steven J.
Weinstein, Nathaniel S. Barlow | Accurate closed-form trajectories of light around a Kerr black hole
using asymptotic approximants | 29 pages, 11 figures | R. J. Beachley, M. Mistysyn, J. A. Faber, S. J. Weinstein, and N.
S. Barlow. Accurate closed-form trajectories of light around a Kerr black
hole using asymptotic approximants. Class. Quantum Grav. 35 (2018) 20500:
1-28 | 10.1088/1361-6382/aae0cd | null | gr-qc math-ph math.MP | http://creativecommons.org/licenses/by-sa/4.0/ | Highly accurate closed-form expressions that describe the full trajectory of
photons propagating in the equatorial plane of a Kerr black hole are obtained
using asymptotic approximants. This work extends a prior study of the overall
bending angle for photons (Barlow, et al. 2017, Class. Quantum Grav., 34,
135017). Th... | [
{
"created": "Fri, 29 Jun 2018 20:02:17 GMT",
"version": "v1"
},
{
"created": "Tue, 2 Oct 2018 19:18:43 GMT",
"version": "v2"
}
] | 2018-10-04 | [
[
"Beachley",
"Ryne J.",
""
],
[
"Mistysyn",
"Morgan",
""
],
[
"Faber",
"Joshua A.",
""
],
[
"Weinstein",
"Steven J.",
""
],
[
"Barlow",
"Nathaniel S.",
""
]
] | Highly accurate closed-form expressions that describe the full trajectory of photons propagating in the equatorial plane of a Kerr black hole are obtained using asymptotic approximants. This work extends a prior study of the overall bending angle for photons (Barlow, et al. 2017, Class. Quantum Grav., 34, 135017). The ... |
gr-qc/0312120 | Sergey Cherkas L. | S. L. Cherkas | Quantum evolution of the Universe from $\tau=0$ | 5 pages | null | null | null | gr-qc | null | We have shown that DeWitt constraint H=0 on the physical states of the
Universe does not prevent Heisenberg operators and its mean values to evolve
with time. Mean value from observable, which is singular in classical theory,
is also singular in a quantum case.
| [
{
"created": "Tue, 30 Dec 2003 12:02:13 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Cherkas",
"S. L.",
""
]
] | We have shown that DeWitt constraint H=0 on the physical states of the Universe does not prevent Heisenberg operators and its mean values to evolve with time. Mean value from observable, which is singular in classical theory, is also singular in a quantum case. |
0910.2634 | Barry Wardell | Barry Wardell | Green Functions and Radiation Reaction From a Spacetime Perspective | Ph.D. thesis. University College Dublin, 2009. Advisor: Adrian C.
Ottewill | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The basis of this work is the first full application of the
Poisson-Wiseman-Anderson method of `matched expansions' to compute the
self-force acting on a point particle moving in a curved spacetime. The method
employs two expansions for the Green function which are respectively valid in
the `quasilocal' and `distant ... | [
{
"created": "Wed, 14 Oct 2009 13:40:07 GMT",
"version": "v1"
},
{
"created": "Thu, 19 Jan 2012 12:27:35 GMT",
"version": "v2"
}
] | 2012-01-20 | [
[
"Wardell",
"Barry",
""
]
] | The basis of this work is the first full application of the Poisson-Wiseman-Anderson method of `matched expansions' to compute the self-force acting on a point particle moving in a curved spacetime. The method employs two expansions for the Green function which are respectively valid in the `quasilocal' and `distant pa... |
gr-qc/0402076 | Thomas Buchert | Akio Hosoya, Thomas Buchert, Masaaki Morita | Information Entropy in Cosmology | LateX, PRLstyle, 4 pages; to appear in PRL | Phys.Rev.Lett. 92 (2004) 141302 | 10.1103/PhysRevLett.92.141302 | null | gr-qc astro-ph | null | The effective evolution of an inhomogeneous cosmological model may be
described in terms of spatially averaged variables. We point out that in this
context, quite naturally, a measure arises which is identical to a fluid model
of the `Kullback-Leibler Relative Information Entropy', expressing the
distinguishability o... | [
{
"created": "Tue, 17 Feb 2004 05:09:54 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Hosoya",
"Akio",
""
],
[
"Buchert",
"Thomas",
""
],
[
"Morita",
"Masaaki",
""
]
] | The effective evolution of an inhomogeneous cosmological model may be described in terms of spatially averaged variables. We point out that in this context, quite naturally, a measure arises which is identical to a fluid model of the `Kullback-Leibler Relative Information Entropy', expressing the distinguishability of ... |
2312.14738 | Alan Coley | A. A. Coley | The JWST and standard cosmology | Based on talk, December 2023 | null | null | null | gr-qc astro-ph.CO | http://creativecommons.org/licenses/by/4.0/ | Recent observations from the James Webb Space Telescope have identified a
population of massive galaxy sources ($\mathrm{>10^{10}\ M_\odot}$) at
$z>7-10$, formed less than 700 Myr after the Big Bang. Such massive galaxies do
not have enough time to form within the standard cosmological model, and hence
these observat... | [
{
"created": "Fri, 22 Dec 2023 14:46:25 GMT",
"version": "v1"
}
] | 2023-12-25 | [
[
"Coley",
"A. A.",
""
]
] | Recent observations from the James Webb Space Telescope have identified a population of massive galaxy sources ($\mathrm{>10^{10}\ M_\odot}$) at $z>7-10$, formed less than 700 Myr after the Big Bang. Such massive galaxies do not have enough time to form within the standard cosmological model, and hence these observatio... |
gr-qc/9408039 | Haret Rosu | H.C. Rosu | On the remote sensing of Hawking grey pulses | 4 pages, LaTex, published version | Mod. Phys. Lett. A 13 (1998) 695-699 | 10.1142/S0217732398000759 | null | gr-qc astro-ph | null | This is a short note on the black hole remote-sensing problem, i.e., finding
out `surface' temperature distributions of various types of small
(micron-sized) black holes from the spectral measurements of their Hawking grey
pulses. Chen's modified Moebius inverse transform is illustrated in this
context
| [
{
"created": "Wed, 31 Aug 1994 16:59:00 GMT",
"version": "v1"
},
{
"created": "Tue, 9 Jul 1996 03:11:00 GMT",
"version": "v2"
},
{
"created": "Mon, 19 Jan 1998 03:16:50 GMT",
"version": "v3"
},
{
"created": "Wed, 8 Apr 1998 02:26:23 GMT",
"version": "v4"
}
] | 2009-10-22 | [
[
"Rosu",
"H. C.",
""
]
] | This is a short note on the black hole remote-sensing problem, i.e., finding out `surface' temperature distributions of various types of small (micron-sized) black holes from the spectral measurements of their Hawking grey pulses. Chen's modified Moebius inverse transform is illustrated in this context |
1312.4380 | Yi-Cheng Huang | Yi-Cheng Huang | A Route toward Quantum Gravity through the Imaginary-Time Field Theory | 13 pages, 3 figures, some corrections have been made | null | null | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | A possible way toward the quantization of a weak gravitational field inspired
by the imaginary-time field theory is discussed. The analogies of the general
relativity in the canonical formulation with the thermodynamic geometry and
superfluids are also pointed out. The proposed regularization method in the
imaginary-... | [
{
"created": "Mon, 16 Dec 2013 14:43:31 GMT",
"version": "v1"
},
{
"created": "Thu, 9 Jan 2014 20:39:39 GMT",
"version": "v2"
},
{
"created": "Mon, 14 Jul 2014 06:24:01 GMT",
"version": "v3"
}
] | 2014-07-15 | [
[
"Huang",
"Yi-Cheng",
""
]
] | A possible way toward the quantization of a weak gravitational field inspired by the imaginary-time field theory is discussed. The analogies of the general relativity in the canonical formulation with the thermodynamic geometry and superfluids are also pointed out. The proposed regularization method in the imaginary-ti... |
gr-qc/0103007 | Luis Herrera | L. Herrera, A. Di Prisco and J. Ibanez | On the dual interpretation of zero-curvature Friedmann-Robertson-Walker
models | 13 pages Latex, to appear in Class.Quantum Grav | Class.Quant.Grav. 18 (2001) 1475-1484 | 10.1088/0264-9381/18/8/305 | null | gr-qc astro-ph | null | Two possible interpretations of FRW cosmologies (perfect fluid or dissipative
fluid)are considered as consecutive phases of the system. Necessary conditions
are found, for the transition from perfect fluid to dissipative regime to
occur, bringing out the conspicuous role played by a particular state of the
system (th... | [
{
"created": "Fri, 2 Mar 2001 17:46:29 GMT",
"version": "v1"
}
] | 2009-11-07 | [
[
"Herrera",
"L.",
""
],
[
"Di Prisco",
"A.",
""
],
[
"Ibanez",
"J.",
""
]
] | Two possible interpretations of FRW cosmologies (perfect fluid or dissipative fluid)are considered as consecutive phases of the system. Necessary conditions are found, for the transition from perfect fluid to dissipative regime to occur, bringing out the conspicuous role played by a particular state of the system (the ... |
1702.07877 | Kazem Rezazadeh | Kazem Rezazadeh, Asrin Abdolmaleki, Kayoomars Karami | Logamediate Inflation in f(T) Teleparallel Gravity | 12 pages, 2 figures | ApJ 836, 228 (2017) | 10.3847/1538-4357/aa5c83 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study logamediate inflation in the context of $f(T)$ teleparallel gravity.
$f(T)$-gravity is a generalization of the teleparallel gravity which is
formulated on the Weitzenb\"{o}ck spacetime, characterized by the vanishing
curvature tensor (absolute parallelism) and the non-vanishing torsion tensor.
We consider an... | [
{
"created": "Sat, 25 Feb 2017 11:13:21 GMT",
"version": "v1"
}
] | 2017-02-28 | [
[
"Rezazadeh",
"Kazem",
""
],
[
"Abdolmaleki",
"Asrin",
""
],
[
"Karami",
"Kayoomars",
""
]
] | We study logamediate inflation in the context of $f(T)$ teleparallel gravity. $f(T)$-gravity is a generalization of the teleparallel gravity which is formulated on the Weitzenb\"{o}ck spacetime, characterized by the vanishing curvature tensor (absolute parallelism) and the non-vanishing torsion tensor. We consider an $... |
1901.09767 | Ward Struyve | Thibaut Demaerel, Christian Maes and Ward Struyve | Cosmic acceleration from quantum Friedmann equations | 15 pages, 5 figures | Class. Quantum Grav. 37, 085006 (2020) | 10.1088/1361-6382/ab738b | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider a simplified model of quantum gravity using a mini-superspace
description of an isotropic and homogeneous universe with dust. We derive the
corresponding Friedmann equations for the scale factor, which now contain a
dependence on the wave function. We identify wave functions for which the
quantum effects ... | [
{
"created": "Mon, 28 Jan 2019 16:14:09 GMT",
"version": "v1"
},
{
"created": "Fri, 21 Feb 2020 20:34:52 GMT",
"version": "v2"
}
] | 2020-04-03 | [
[
"Demaerel",
"Thibaut",
""
],
[
"Maes",
"Christian",
""
],
[
"Struyve",
"Ward",
""
]
] | We consider a simplified model of quantum gravity using a mini-superspace description of an isotropic and homogeneous universe with dust. We derive the corresponding Friedmann equations for the scale factor, which now contain a dependence on the wave function. We identify wave functions for which the quantum effects le... |
1805.09516 | Andrej Arbuzov | Andrej B. Arbuzov and Alexander E. Pavlov | Static Casimir Condensate of Conformal Scalar Field in Friedmann
Universe | 7 pages, 1 figure, misprints corrected | null | 10.1142/S0217732318501626 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The quantum Casimir condensate of a conformal massive scalar field in a
compact Friedmann universe is considered in the static approximation. The
Abel-Plana formula is used for renormalization of divergent series in the
condensate calculation. A differential relation between the static Casimir
energy density and stat... | [
{
"created": "Thu, 24 May 2018 06:04:00 GMT",
"version": "v1"
},
{
"created": "Tue, 4 Sep 2018 09:57:17 GMT",
"version": "v2"
}
] | 2018-09-05 | [
[
"Arbuzov",
"Andrej B.",
""
],
[
"Pavlov",
"Alexander E.",
""
]
] | The quantum Casimir condensate of a conformal massive scalar field in a compact Friedmann universe is considered in the static approximation. The Abel-Plana formula is used for renormalization of divergent series in the condensate calculation. A differential relation between the static Casimir energy density and static... |
gr-qc/0207007 | Eric Altschuler | Eric Lewin Altschuler | Stueckelberg Redux: How Classical Gravity Can Induce Changes in Particle
Lifetimes | null | null | null | null | gr-qc | null | ECG Stueckelberg (1905-1984) often published important theories years before
those who would receive the Nobel Prize for their discoery. Perhpas other
jewels may remain the work of this prescient genius. In a short paper in
1957--coming shortly on the heels of the suggestion and experimental
confirmation of parity no... | [
{
"created": "Mon, 1 Jul 2002 00:20:56 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Altschuler",
"Eric Lewin",
""
]
] | ECG Stueckelberg (1905-1984) often published important theories years before those who would receive the Nobel Prize for their discoery. Perhpas other jewels may remain the work of this prescient genius. In a short paper in 1957--coming shortly on the heels of the suggestion and experimental confirmation of parity non-... |
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