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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1602.03869 | Andrea Zanzi | Andrea Zanzi | Chameleonic Theories: A Short Review | Invited contribution to the special issue "Modified Gravity
Cosmology: from Inflation to Dark Energy", published in Universe. 30 pages. 2
figures. arXiv admin note: substantial text overlap with
arXiv:hep-ph/0608078, arXiv:astro-ph/0611816 by other authors | Universe 2015, 1(3), 446-475 | 10.3390/universe1030446 | null | gr-qc hep-th | http://creativecommons.org/licenses/by/4.0/ | In the chameleon mechanism, a field (typically scalar) has a mass that
depends on the matter density of the environment: the larger is the matter
density, the larger is the mass of the chameleon. We briefly review some
aspects of chameleonic theories. In particular, in a typical class of these
theories, we discuss th... | [
{
"created": "Wed, 30 Dec 2015 12:19:23 GMT",
"version": "v1"
}
] | 2016-02-12 | [
[
"Zanzi",
"Andrea",
""
]
] | In the chameleon mechanism, a field (typically scalar) has a mass that depends on the matter density of the environment: the larger is the matter density, the larger is the mass of the chameleon. We briefly review some aspects of chameleonic theories. In particular, in a typical class of these theories, we discuss the ... |
1008.4622 | Marc Favata | Marc Favata | Conservative self-force correction to the innermost stable circular
orbit: comparison with multiple post-Newtonian-based methods | 27 pages, 2 figures, 2 tables. v2: some changes to Sec. VI in
response to referee comments; references added; other minor changes to match
published version | Phys.Rev.D83:024027,2011 | 10.1103/PhysRevD.83.024027 | null | gr-qc astro-ph.HE | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | [abridged] Barack & Sago have recently computed the shift of the innermost
stable circular orbit (ISCO) due to the conservative self-force that arises
from the finite-mass of an orbiting test-particle. This is one of the first
concrete results of the self-force program, and provides an exact point of
comparison with ... | [
{
"created": "Fri, 27 Aug 2010 00:10:31 GMT",
"version": "v1"
},
{
"created": "Mon, 24 Jan 2011 05:52:53 GMT",
"version": "v2"
}
] | 2011-01-25 | [
[
"Favata",
"Marc",
""
]
] | [abridged] Barack & Sago have recently computed the shift of the innermost stable circular orbit (ISCO) due to the conservative self-force that arises from the finite-mass of an orbiting test-particle. This is one of the first concrete results of the self-force program, and provides an exact point of comparison with ap... |
0803.2194 | Chih-Hung Wang | Yu-Huei Wu and Chih-Hung Wang | Quasi-local mass in the covariant Newtonian space-time | Submit to Class. Quantum Grav | Class.Quant.Grav.25:135007,2008 | 10.1088/0264-9381/25/13/135007 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In general relativity, quasi-local energy-momentum expressions have been
constructed from various formulae. However, Newtonian theory of gravity gives a
well known and an unique quasi-local mass expression (surface integration).
Since geometrical formulation of Newtonian gravity has been established in the
covariant ... | [
{
"created": "Fri, 14 Mar 2008 16:10:15 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Wu",
"Yu-Huei",
""
],
[
"Wang",
"Chih-Hung",
""
]
] | In general relativity, quasi-local energy-momentum expressions have been constructed from various formulae. However, Newtonian theory of gravity gives a well known and an unique quasi-local mass expression (surface integration). Since geometrical formulation of Newtonian gravity has been established in the covariant Ne... |
2002.01892 | Yan Peng | Yan Peng | Analytical investigations on formations of hairy neutral reflecting
shells in the scalar-Gauss-Bonnet gravity | 10 pages, 2 figures | Eur. Phys. J. C 80(2020)202 | 10.1140/epjc/s10052-020-7778-0 | null | gr-qc hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study scalarization of spherically symmetric neutral reflecting shells in
the scalar-tensor gravity. We consider neutral static massless scalar fields
non-minimally coupled to the Gauss-Bonnet invariant. We obtain a relation
representing the existence regime of hairy neutral reflecting shells. For
parameters unsat... | [
{
"created": "Thu, 30 Jan 2020 13:25:00 GMT",
"version": "v1"
},
{
"created": "Fri, 6 Mar 2020 07:49:07 GMT",
"version": "v2"
}
] | 2020-03-09 | [
[
"Peng",
"Yan",
""
]
] | We study scalarization of spherically symmetric neutral reflecting shells in the scalar-tensor gravity. We consider neutral static massless scalar fields non-minimally coupled to the Gauss-Bonnet invariant. We obtain a relation representing the existence regime of hairy neutral reflecting shells. For parameters unsatis... |
2209.08439 | Hongxing Zhang | Hongxing Zhang, Naying Zhou, Wenfang Liu and Xin Wu | Equivalence between two charged black holes in dynamics of orbits
outside the event horizons | 18 pages, 12 figures | General Relativity and Gravitation (2022) 54:110 | 10.1007/s10714-022-02998-1 | null | gr-qc physics.comp-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Using the FermiDirac distribution function, Balart and Vagenas gave a charged
spherically symmetric regular black hole, which is a solution of Einstein field
equations coupled to a nonlinear electrodynamics. In fact, the regular black
hole is a Reissner-Nordstrom (RN) black hole when a metric function is given a
Tayl... | [
{
"created": "Sun, 18 Sep 2022 01:31:00 GMT",
"version": "v1"
}
] | 2022-09-20 | [
[
"Zhang",
"Hongxing",
""
],
[
"Zhou",
"Naying",
""
],
[
"Liu",
"Wenfang",
""
],
[
"Wu",
"Xin",
""
]
] | Using the FermiDirac distribution function, Balart and Vagenas gave a charged spherically symmetric regular black hole, which is a solution of Einstein field equations coupled to a nonlinear electrodynamics. In fact, the regular black hole is a Reissner-Nordstrom (RN) black hole when a metric function is given a Taylor... |
2009.04353 | Ulrich Beckering Vinckers | U. K. Beckering Vinckers, A. de la Cruz-Dombriz, F. J. Maldonado
Torralba | Focusing conditions for extended teleparallel gravity theories | 31 pages, 9 figures, JCAP format, minor changes, matches published
version in JCAP | JCAP12(2020)020 | 10.1088/1475-7516/2020/12/020 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In the context of extended theories of teleparallel gravity $f(T)$ we derive
the focusing conditions for a one-parameter dependent congruence of timelike
auto-parallels of the Levi-Civita connection. We also consider the $f(T)$ field
equations for a general metric tensor before moving on to consider a spatially
flat ... | [
{
"created": "Wed, 9 Sep 2020 15:21:18 GMT",
"version": "v1"
},
{
"created": "Fri, 11 Dec 2020 12:05:52 GMT",
"version": "v2"
}
] | 2020-12-14 | [
[
"Vinckers",
"U. K. Beckering",
""
],
[
"de la Cruz-Dombriz",
"A.",
""
],
[
"Torralba",
"F. J. Maldonado",
""
]
] | In the context of extended theories of teleparallel gravity $f(T)$ we derive the focusing conditions for a one-parameter dependent congruence of timelike auto-parallels of the Levi-Civita connection. We also consider the $f(T)$ field equations for a general metric tensor before moving on to consider a spatially flat Ro... |
1510.07311 | Peter K.F. Kuhfittig | Peter K.F. Kuhfittig and Vance D. Gladney | The no-boundary proposal via the five-dimensional
Friedmann-Lemaitre-Robertson-Walker model | 5 pages, no figures | Adv. Studies Theor. Phys., vol. 9, pp. 821-826 (2015) | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Hawking's proposal that the Universe has no temporal boundary and hence no
beginning depends on the notion of imaginary time and is usually referred to as
the "no-boundary proposal." This paper discusses a simple alternative approach
by means of the five-dimensional Friedmann-Lemaitre-Robertson-Walker model.
| [
{
"created": "Sun, 25 Oct 2015 21:37:27 GMT",
"version": "v1"
},
{
"created": "Thu, 7 Jan 2016 16:09:44 GMT",
"version": "v2"
}
] | 2016-01-08 | [
[
"Kuhfittig",
"Peter K. F.",
""
],
[
"Gladney",
"Vance D.",
""
]
] | Hawking's proposal that the Universe has no temporal boundary and hence no beginning depends on the notion of imaginary time and is usually referred to as the "no-boundary proposal." This paper discusses a simple alternative approach by means of the five-dimensional Friedmann-Lemaitre-Robertson-Walker model. |
1208.4201 | Franco Albareti | F. D. Albareti (Madrid Complutense University), J. A. R. Cembranos
(Madrid Complutense University) and A. de la Cruz-Dombriz (ACGC and
University of Cape Town) | Focusing of geodesic congruences in an accelerated expanding Universe | 11 pages, 2 figures. Final version changed to match published version
in JCAP. References updated. Conclusions unchanged | JCAP 1212 (2012) 020 | 10.1088/1475-7516/2012/12/020 | null | gr-qc math-ph math.MP | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the accelerated expansion of the Universe through its consequences
on a congruence of geodesics. We make use of the Raychaudhuri equation which
describes the evolution of the expansion rate for a congruence of timelike or
null geodesics. In particular, we focus on the space-time geometry contribution
to this... | [
{
"created": "Tue, 21 Aug 2012 06:51:57 GMT",
"version": "v1"
},
{
"created": "Tue, 8 Jan 2013 17:05:23 GMT",
"version": "v2"
}
] | 2013-01-09 | [
[
"Albareti",
"F. D.",
"",
"Madrid Complutense University"
],
[
"Cembranos",
"J. A. R.",
"",
"Madrid Complutense University"
],
[
"de la Cruz-Dombriz",
"A.",
"",
"ACGC and\n University of Cape Town"
]
] | We study the accelerated expansion of the Universe through its consequences on a congruence of geodesics. We make use of the Raychaudhuri equation which describes the evolution of the expansion rate for a congruence of timelike or null geodesics. In particular, we focus on the space-time geometry contribution to this e... |
1502.01676 | Mubasher Jamil | Azka Younas, Mubasher Jamil, Sebastian Bahamonde, Saqib Hussain | Strong Gravitational Lensing by Kiselev Black Hole | null | Phys. Rev. D 92, 084042 (2015) | 10.1103/PhysRevD.92.084042 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate the gravitational lensing scenario due to Schwarzschild-like
black hole surrounded by quintessence (Kiselev black hole). We work for the
special case of Kiselev black hole where we take the state parameter
$w_{q}=-\frac{2}{3}$. For the detailed derivation and analysis of the bending
angle involved in t... | [
{
"created": "Wed, 4 Feb 2015 10:54:39 GMT",
"version": "v1"
},
{
"created": "Thu, 19 Feb 2015 09:25:42 GMT",
"version": "v2"
},
{
"created": "Mon, 13 Apr 2015 19:07:45 GMT",
"version": "v3"
},
{
"created": "Wed, 16 Sep 2015 15:43:29 GMT",
"version": "v4"
},
{
"cr... | 2015-10-21 | [
[
"Younas",
"Azka",
""
],
[
"Jamil",
"Mubasher",
""
],
[
"Bahamonde",
"Sebastian",
""
],
[
"Hussain",
"Saqib",
""
]
] | We investigate the gravitational lensing scenario due to Schwarzschild-like black hole surrounded by quintessence (Kiselev black hole). We work for the special case of Kiselev black hole where we take the state parameter $w_{q}=-\frac{2}{3}$. For the detailed derivation and analysis of the bending angle involved in the... |
0709.2131 | L\'aszl\'o \'A Gergely | Zolt\'an Kov\'acs, L\'aszl\'o \'A. Gergely | Gravitational dynamics in s+1+1 dimensions II. Hamiltonian theory | 13 pages | Phys.Rev.D77:024003,2008 | 10.1103/PhysRevD.77.024003 | null | gr-qc astro-ph hep-th | null | We develop a Hamiltonian formalism of brane-world gravity, which singles out
two preferred, mutually orthogonal directions. One is a unit twist-free field
of spatial vectors with integral lines intersecting perpendicularly the brane.
The other is a temporal vector field with respect to which we perform the
Arnowitt-D... | [
{
"created": "Thu, 13 Sep 2007 17:11:50 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Kovács",
"Zoltán",
""
],
[
"Gergely",
"László Á.",
""
]
] | We develop a Hamiltonian formalism of brane-world gravity, which singles out two preferred, mutually orthogonal directions. One is a unit twist-free field of spatial vectors with integral lines intersecting perpendicularly the brane. The other is a temporal vector field with respect to which we perform the Arnowitt-Des... |
1805.02240 | Bayram Tekin | Ercan Kilicarslan and Bayram Tekin | Graviton Mass and Memory | 6 pages, matches the published version | Eur. Phys. J. C (2019) 79: 114 | 10.1140/epjc/s10052-019-6636-4 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Gravitational memory, a residual change, arises after a finite gravitational
wave pulse interacts with free masses. We calculate the memory effect in
massive gravity as a function of the graviton mass $(m_g)$ and show that it is
discretely different from the result of general relativity: the memory is
reduced not jus... | [
{
"created": "Sun, 6 May 2018 16:21:35 GMT",
"version": "v1"
},
{
"created": "Wed, 16 May 2018 16:46:24 GMT",
"version": "v2"
},
{
"created": "Wed, 6 Feb 2019 13:37:32 GMT",
"version": "v3"
}
] | 2019-02-07 | [
[
"Kilicarslan",
"Ercan",
""
],
[
"Tekin",
"Bayram",
""
]
] | Gravitational memory, a residual change, arises after a finite gravitational wave pulse interacts with free masses. We calculate the memory effect in massive gravity as a function of the graviton mass $(m_g)$ and show that it is discretely different from the result of general relativity: the memory is reduced not just ... |
gr-qc/0203018 | John W. Barrett | John W. Barrett | Geometrical measurements in three-dimensional quantum gravity | This is the first of three lectures given at the Xth Oporto Meeting
on Geometry, Topology and Physics, September 2001. v2: one typo corrected | Int.J.Mod.Phys. A18S2 (2003) 97-113 | 10.1142/S0217751X03017981 | null | gr-qc hep-th | null | A set of observables is described for the topological quantum field theory
which describes quantum gravity in three space-time dimensions with positive
signature and positive cosmological constant. The simplest examples measure the
distances between points, giving spectra and probabilities which have a
geometrical in... | [
{
"created": "Wed, 6 Mar 2002 11:01:16 GMT",
"version": "v1"
},
{
"created": "Mon, 14 Feb 2005 11:41:11 GMT",
"version": "v2"
}
] | 2015-06-25 | [
[
"Barrett",
"John W.",
""
]
] | A set of observables is described for the topological quantum field theory which describes quantum gravity in three space-time dimensions with positive signature and positive cosmological constant. The simplest examples measure the distances between points, giving spectra and probabilities which have a geometrical inte... |
1210.0837 | Luke Butcher | Luke M. Butcher, Michael Hobson, Anthony Lasenby | Localized Energetics of Linear Gravity: Theoretical Development | null | Phys. Rev. D 86, 084013 (2012) | 10.1103/PhysRevD.86.084013 | null | gr-qc astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We recently developed a local description of the energy, momentum and angular
momentum carried by the linearized gravitational field, wherein the
gravitational energy-momentum tensor displays positive energy-density and
causal energy-flux, and the gravitational spin-tensor describes purely spatial
spin. We now invest... | [
{
"created": "Tue, 2 Oct 2012 16:43:02 GMT",
"version": "v1"
}
] | 2012-10-03 | [
[
"Butcher",
"Luke M.",
""
],
[
"Hobson",
"Michael",
""
],
[
"Lasenby",
"Anthony",
""
]
] | We recently developed a local description of the energy, momentum and angular momentum carried by the linearized gravitational field, wherein the gravitational energy-momentum tensor displays positive energy-density and causal energy-flux, and the gravitational spin-tensor describes purely spatial spin. We now investig... |
gr-qc/0011056 | Israel Quiroz | Israel Quiros (Universidad Central de Las Villas. Santa Clara. Cuba) | The Weyl anomaly and the nature of the background geometry | 11 pages, RevTex, no figures | null | null | null | gr-qc hep-th | null | The Weyl anomaly problem is treated within a purely geometrical context.
Arguments are given that hint at a possible classical origin of the conformal
anomaly in the Riemannian nature of the background geometry where the matter
fields play out their dynamics. Some considerations allowing for a possible
resolution of ... | [
{
"created": "Wed, 15 Nov 2000 20:02:25 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Quiros",
"Israel",
"",
"Universidad Central de Las Villas. Santa Clara. Cuba"
]
] | The Weyl anomaly problem is treated within a purely geometrical context. Arguments are given that hint at a possible classical origin of the conformal anomaly in the Riemannian nature of the background geometry where the matter fields play out their dynamics. Some considerations allowing for a possible resolution of th... |
2403.11301 | Salvatore Capozziello | Salvatore Capozziello, Anupam Mazumdar, Giuseppe Meluccio | Can nonlocal gravity really explain dark energy? | 16 pages, 2 figures, accepted for publication in Physics of the Dark
Universe | null | null | null | gr-qc astro-ph.CO hep-th | http://creativecommons.org/licenses/by/4.0/ | In view to scrutinize the idea that nonlocal modifications of General
Relativity could dynamically address the dark energy problem, we investigate
the evolution of the Universe at infrared scales as an Infinite Derivative
Gravity model of the Ricci scalar, without introducing the cosmological
constant $\Lambda$ or an... | [
{
"created": "Sun, 17 Mar 2024 18:46:13 GMT",
"version": "v1"
},
{
"created": "Tue, 19 Mar 2024 12:36:32 GMT",
"version": "v2"
},
{
"created": "Wed, 20 Mar 2024 09:50:15 GMT",
"version": "v3"
},
{
"created": "Thu, 2 May 2024 09:01:21 GMT",
"version": "v4"
}
] | 2024-05-03 | [
[
"Capozziello",
"Salvatore",
""
],
[
"Mazumdar",
"Anupam",
""
],
[
"Meluccio",
"Giuseppe",
""
]
] | In view to scrutinize the idea that nonlocal modifications of General Relativity could dynamically address the dark energy problem, we investigate the evolution of the Universe at infrared scales as an Infinite Derivative Gravity model of the Ricci scalar, without introducing the cosmological constant $\Lambda$ or any ... |
2306.00839 | Orlando Luongo | Orlando Luongo, Hernando Quevedo | Geometrothermodynamic cosmology | Invited review, 33 pages, 1 figure | null | 10.3390/e25071037 | null | gr-qc astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We review the main aspects of geometrothermodynamics, a formalism that uses
contact geometry and Riemannian geometry to describe the properties of
thermodynamic systems. We show how to handle in a geometric way the invariance
of classical thermodynamics with respect to Legendre transformations, which
means that the p... | [
{
"created": "Thu, 1 Jun 2023 16:00:58 GMT",
"version": "v1"
}
] | 2023-07-26 | [
[
"Luongo",
"Orlando",
""
],
[
"Quevedo",
"Hernando",
""
]
] | We review the main aspects of geometrothermodynamics, a formalism that uses contact geometry and Riemannian geometry to describe the properties of thermodynamic systems. We show how to handle in a geometric way the invariance of classical thermodynamics with respect to Legendre transformations, which means that the pro... |
2404.06934 | Rajibul Shaikh | Inyong Cho and Rajibul Shaikh | Homogeneous spacetime with shear viscosity | 26 pages, 7 captioned figures, abstract modified, studies on
deceleration and anisotropy parameters added, published in JCAP | JCAP 07 (2024) 025 | 10.1088/1475-7516/2024/07/025 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the homogeneous and anisotropic evolution of Bianchi type-I
spacetime driven by perfect fluid with shear viscosity. We obtain exact
solutions by considering the simplest form of the equation of state wherein the
pressure and the shear stress are proportional to the energy density
individually. A special case... | [
{
"created": "Wed, 10 Apr 2024 11:35:39 GMT",
"version": "v1"
},
{
"created": "Fri, 19 Jul 2024 08:18:40 GMT",
"version": "v2"
}
] | 2024-07-22 | [
[
"Cho",
"Inyong",
""
],
[
"Shaikh",
"Rajibul",
""
]
] | We study the homogeneous and anisotropic evolution of Bianchi type-I spacetime driven by perfect fluid with shear viscosity. We obtain exact solutions by considering the simplest form of the equation of state wherein the pressure and the shear stress are proportional to the energy density individually. A special case o... |
1504.07660 | Netta Engelhardt | Raphael Bousso and Netta Engelhardt | Proof of a New Area Law in General Relativity | 15 pages, 10 figures; v4: conclusion of Theorem IV.2 strengthened | Phys. Rev. D 92, 044031 (2015) | 10.1103/PhysRevD.92.044031 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | A future holographic screen is a hypersurface of indefinite signature,
foliated by marginally trapped surfaces with area $A(r)$. We prove that $A(r)$
grows strictly monotonically. Future holographic screens arise in gravitational
collapse. Past holographic screens exist in our own universe; they obey an
analogous are... | [
{
"created": "Tue, 28 Apr 2015 21:11:29 GMT",
"version": "v1"
},
{
"created": "Fri, 8 May 2015 20:14:40 GMT",
"version": "v2"
},
{
"created": "Sun, 24 May 2015 20:13:14 GMT",
"version": "v3"
},
{
"created": "Thu, 27 Aug 2015 02:31:18 GMT",
"version": "v4"
}
] | 2015-08-28 | [
[
"Bousso",
"Raphael",
""
],
[
"Engelhardt",
"Netta",
""
]
] | A future holographic screen is a hypersurface of indefinite signature, foliated by marginally trapped surfaces with area $A(r)$. We prove that $A(r)$ grows strictly monotonically. Future holographic screens arise in gravitational collapse. Past holographic screens exist in our own universe; they obey an analogous area ... |
1405.3696 | Carlos A. R. Herdeiro | Carlos A. R. Herdeiro and Eugen Radu | A new spin on black hole hair | 9 pages, 1 figure, Essay written for the Gravity Research Foundation
2014 Awards for Essays on Gravitation and selected for Honorable Mention | null | 10.1142/S0218271814420140 | null | gr-qc astro-ph.HE hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We show that scalar hair can be added to rotating, vacuum black holes of
general relativity. These hairy black holes (HBHs) clarify a lingering question
concerning gravitational solitons: if a black hole can be added at the centre
of a boson star, as it typically can for other solitons. We argue that it can,
but only... | [
{
"created": "Wed, 14 May 2014 21:33:40 GMT",
"version": "v1"
}
] | 2015-06-19 | [
[
"Herdeiro",
"Carlos A. R.",
""
],
[
"Radu",
"Eugen",
""
]
] | We show that scalar hair can be added to rotating, vacuum black holes of general relativity. These hairy black holes (HBHs) clarify a lingering question concerning gravitational solitons: if a black hole can be added at the centre of a boson star, as it typically can for other solitons. We argue that it can, but only i... |
0903.5030 | Kentaro Takami | Kentaro Takami and Yasufumi Kojima | Collimation of a spherical collisionless particles stream in Kerr
space-time | 11 pages, 8 figures; accepted for publication in CQG | Class.Quant.Grav.26:085013,2009 | 10.1088/0264-9381/26/8/085013 | null | gr-qc astro-ph.HE | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We examine the propagation of collisionless particles emitted from a
spherical shell to infinity. The number distribution at infinity, calculated as
a function of the polar angle, exhibits a small deviation from uniformity. The
number of particles moving from the polar region toward the equatorial plane is
slightly l... | [
{
"created": "Sun, 29 Mar 2009 08:39:59 GMT",
"version": "v1"
}
] | 2009-05-20 | [
[
"Takami",
"Kentaro",
""
],
[
"Kojima",
"Yasufumi",
""
]
] | We examine the propagation of collisionless particles emitted from a spherical shell to infinity. The number distribution at infinity, calculated as a function of the polar angle, exhibits a small deviation from uniformity. The number of particles moving from the polar region toward the equatorial plane is slightly lar... |
2107.10841 | Leong Khim Wong | Philippe Brax, Anne-Christine Davis, Scott Melville, Leong Khim Wong | Spin-orbit effects for compact binaries in scalar-tensor gravity | 57 pages + appendices, 8 figures, 5 tables. v2: Version accepted for
publication. Some minor clarifications added compared to v1 | JCAP 10 (2021) 075 | 10.1088/1475-7516/2021/10/075 | null | gr-qc astro-ph.CO hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Gravitational waves provide us with a new window into our Universe, and have
already been used to place strong constrains on the existence of light scalar
fields, which are a common feature in many alternative theories of gravity.
However, spin effects are still relatively unexplored in this context. In this
work, we... | [
{
"created": "Thu, 22 Jul 2021 17:54:45 GMT",
"version": "v1"
},
{
"created": "Wed, 27 Oct 2021 17:27:36 GMT",
"version": "v2"
}
] | 2021-10-28 | [
[
"Brax",
"Philippe",
""
],
[
"Davis",
"Anne-Christine",
""
],
[
"Melville",
"Scott",
""
],
[
"Wong",
"Leong Khim",
""
]
] | Gravitational waves provide us with a new window into our Universe, and have already been used to place strong constrains on the existence of light scalar fields, which are a common feature in many alternative theories of gravity. However, spin effects are still relatively unexplored in this context. In this work, we c... |
2106.12818 | Davide Astesiano | Davide Astesiano, Sergio L. Cacciatori, Federico Re | Towards a full general relativistic approach to galaxies | 13 pages | null | 10.1140/epjc/s10052-022-10506-7 | null | gr-qc astro-ph.GA | http://creativecommons.org/licenses/by/4.0/ | We analyze the dynamics of a single spiral galaxy from a general relativistic
viewpoint. We employ the known family of stationary axially-symmetric solutions
to Einstein gravity coupled with dust in order to model the halo external to
the bulge. In particular, we generalize the known results of Balasin and
Grumiller,... | [
{
"created": "Thu, 24 Jun 2021 08:18:26 GMT",
"version": "v1"
}
] | 2022-07-13 | [
[
"Astesiano",
"Davide",
""
],
[
"Cacciatori",
"Sergio L.",
""
],
[
"Re",
"Federico",
""
]
] | We analyze the dynamics of a single spiral galaxy from a general relativistic viewpoint. We employ the known family of stationary axially-symmetric solutions to Einstein gravity coupled with dust in order to model the halo external to the bulge. In particular, we generalize the known results of Balasin and Grumiller, r... |
1707.09194 | Shintaro Nakamura | Shintaro Nakamura, Ryotaro Kase, and Shinji Tsujikawa | Suppression of matter couplings with a vector field in generalized Proca
theories | 20 pages, 2 figures | Phys. Rev. D 96, 084005 (2017) | 10.1103/PhysRevD.96.084005 | null | gr-qc astro-ph.CO hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We derive the profile of a vector field coupled to matter on a static and
spherically symmetric background in the context of generalized Proca theories.
The cubic Galileon self-interaction leads to the suppression of a longitudinal
vector component due to the operation of the Vainshtein mechanism. For quartic
and six... | [
{
"created": "Fri, 28 Jul 2017 11:16:17 GMT",
"version": "v1"
},
{
"created": "Sun, 8 Oct 2017 22:33:26 GMT",
"version": "v2"
}
] | 2017-10-11 | [
[
"Nakamura",
"Shintaro",
""
],
[
"Kase",
"Ryotaro",
""
],
[
"Tsujikawa",
"Shinji",
""
]
] | We derive the profile of a vector field coupled to matter on a static and spherically symmetric background in the context of generalized Proca theories. The cubic Galileon self-interaction leads to the suppression of a longitudinal vector component due to the operation of the Vainshtein mechanism. For quartic and sixth... |
gr-qc/9510017 | James E. Lidsey | James E. Lidsey | Scale Factor Duality and Hidden Supersymmetry in Scalar--Tensor
Cosmology | 10 pages, latex, To appear in Phys. Rev. D15 Rapid Communications | Phys.Rev. D52 (1995) 5407-5411 | 10.1103/PhysRevD.52.R5407 | null | gr-qc astro-ph hep-th | null | It is shown that spatially flat, isotropic cosmologies derived from the
Brans--Dicke gravity action exhibit a scale factor duality invariance. This
classical duality is then associated with a hidden $N=2$ supersymmetry at the
quantum level and the supersymmetric quantum constraints are solved exactly.
These symmetrie... | [
{
"created": "Tue, 10 Oct 1995 13:49:01 GMT",
"version": "v1"
}
] | 2016-08-31 | [
[
"Lidsey",
"James E.",
""
]
] | It is shown that spatially flat, isotropic cosmologies derived from the Brans--Dicke gravity action exhibit a scale factor duality invariance. This classical duality is then associated with a hidden $N=2$ supersymmetry at the quantum level and the supersymmetric quantum constraints are solved exactly. These symmetries ... |
2011.04559 | Beatriz Elizaga Navascu\'es | Beatriz Elizaga Navascu\'es and Guillermo A. Mena Marug\'an | Hybrid Loop Quantum Cosmology: An Overview | 39 pages | Front. Astron. Space Sci. 8, 624824 (2021) | 10.3389/fspas.2021.624824 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Loop Quantum Gravity is a nonperturbative and background independent program
for the quantization of General Relativity. Its underlying formalism has been
applied successfully to the study of cosmological spacetimes, both to test the
principles and techniques of the theory and to discuss its physical
consequences. Th... | [
{
"created": "Mon, 9 Nov 2020 16:56:19 GMT",
"version": "v1"
},
{
"created": "Tue, 10 Nov 2020 10:00:25 GMT",
"version": "v2"
},
{
"created": "Fri, 10 Sep 2021 04:42:56 GMT",
"version": "v3"
}
] | 2021-09-13 | [
[
"Navascués",
"Beatriz Elizaga",
""
],
[
"Marugán",
"Guillermo A. Mena",
""
]
] | Loop Quantum Gravity is a nonperturbative and background independent program for the quantization of General Relativity. Its underlying formalism has been applied successfully to the study of cosmological spacetimes, both to test the principles and techniques of the theory and to discuss its physical consequences. Thes... |
1912.02556 | Maciej Kolanowski | Wojciech Kami\'nski, Maciej Kolanowski, Jerzy Lewandowski | Dressed metric predictions revisited | 9 pages | null | 10.1088/1361-6382/ab7ee0 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | It was recently shown that the volume operator of loop quantum cosmology
(LQC) and all its positive powers are ill-defined on physical states. In this
paper, we investigate how it effects predictions of cosmic microwave background
(CMB) power spectra obtained within dressed metric approach for which
expectations valu... | [
{
"created": "Thu, 5 Dec 2019 13:13:12 GMT",
"version": "v1"
}
] | 2020-06-17 | [
[
"Kamiński",
"Wojciech",
""
],
[
"Kolanowski",
"Maciej",
""
],
[
"Lewandowski",
"Jerzy",
""
]
] | It was recently shown that the volume operator of loop quantum cosmology (LQC) and all its positive powers are ill-defined on physical states. In this paper, we investigate how it effects predictions of cosmic microwave background (CMB) power spectra obtained within dressed metric approach for which expectations values... |
2202.08563 | Jochen Zahn | Christoph Giese and Jochen Zahn | Dynamics of spherical charged dust shells in de Sitter space | 16 page2; v2 final version | Physical Review D 106 (2022) 064005 | 10.1103/PhysRevD.106.064005 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the dynamics of charged, spherically symmetric dust shells in the
presence of a positive cosmological constant. We find generalizations of the
well-known solutions in asymptotically flat spacetime, in particular orbits
into "parallel universes", but also new solutions corresponding to a "bounce"
of the shell... | [
{
"created": "Thu, 17 Feb 2022 10:14:19 GMT",
"version": "v1"
},
{
"created": "Mon, 5 Sep 2022 07:43:59 GMT",
"version": "v2"
}
] | 2022-09-07 | [
[
"Giese",
"Christoph",
""
],
[
"Zahn",
"Jochen",
""
]
] | We study the dynamics of charged, spherically symmetric dust shells in the presence of a positive cosmological constant. We find generalizations of the well-known solutions in asymptotically flat spacetime, in particular orbits into "parallel universes", but also new solutions corresponding to a "bounce" of the shell b... |
gr-qc/0312060 | Hendryk Pfeiffer | Hendryk Pfeiffer | Diffeomorphisms from finite triangulations and absence of 'local'
degrees of freedom | 4 pages, RevTeX with combined PicTeX/postscript figures; v2:
presentation improved, typos corrected | Phys.Lett.B591:197-201,2004 | 10.1016/j.physletb.2004.04.026 | DAMTP-2003-132 | gr-qc | null | If the diffeomorphism symmetry of general relativity is fully implemented
into a path integral quantum theory, the path integral leads to a partition
function which is an invariant of smooth manifolds. We comment on the physical
implications of results on the classification of smooth and piecewise-linear
4-manifolds ... | [
{
"created": "Wed, 10 Dec 2003 17:24:35 GMT",
"version": "v1"
},
{
"created": "Mon, 26 Apr 2004 15:50:56 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Pfeiffer",
"Hendryk",
""
]
] | If the diffeomorphism symmetry of general relativity is fully implemented into a path integral quantum theory, the path integral leads to a partition function which is an invariant of smooth manifolds. We comment on the physical implications of results on the classification of smooth and piecewise-linear 4-manifolds wh... |
0812.2210 | Diego Pavon | Sergio del Campo (Valparaiso), Ramon Herrera (Valparaiso), and Diego
Pavon (Bellaterra, Barcelona) | Interacting models may be key to solve the cosmic coincidence problem | 25 pages, 11 figures; accepted for publication in JCAP | JCAP 0901:020,2009 | 10.1088/1475-7516/2009/01/020 | null | gr-qc astro-ph hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | It is argued that cosmological models that feature a flow of energy from dark
energy to dark matter may solve the coincidence problem of late acceleration
(i.e., "why the energy densities of both components are of the same order
precisely today?"). However, much refined and abundant observational data of
the redshift... | [
{
"created": "Thu, 11 Dec 2008 18:12:13 GMT",
"version": "v1"
}
] | 2009-02-06 | [
[
"del Campo",
"Sergio",
"",
"Valparaiso"
],
[
"Herrera",
"Ramon",
"",
"Valparaiso"
],
[
"Pavon",
"Diego",
"",
"Bellaterra, Barcelona"
]
] | It is argued that cosmological models that feature a flow of energy from dark energy to dark matter may solve the coincidence problem of late acceleration (i.e., "why the energy densities of both components are of the same order precisely today?"). However, much refined and abundant observational data of the redshift e... |
0911.2981 | Lorenzo Fatibene | L. Fatibene, M. Francaviglia, S. Mercadante | Matter Lagrangians Coupled with Connections | Refs added | Int.J.Geom.Meth.Mod.Phys.7:1185-1189,2010 | 10.1142/S0219887810004798 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We shall here consider extended theories of gravitation in the metric-affine
formalism with matter coupled directly to the connection. A sufficiently
general procedure will be exhibited to solve the resulting field equation
associated to the connection. As special cases one has the no-coupling case
(which is standard... | [
{
"created": "Mon, 16 Nov 2009 09:09:17 GMT",
"version": "v1"
},
{
"created": "Tue, 5 Jan 2010 11:25:12 GMT",
"version": "v2"
}
] | 2011-01-05 | [
[
"Fatibene",
"L.",
""
],
[
"Francaviglia",
"M.",
""
],
[
"Mercadante",
"S.",
""
]
] | We shall here consider extended theories of gravitation in the metric-affine formalism with matter coupled directly to the connection. A sufficiently general procedure will be exhibited to solve the resulting field equation associated to the connection. As special cases one has the no-coupling case (which is standard i... |
0710.1887 | Celine Cattoen | Celine Cattoen (Victoria University of Wellington), Matt Visser
(Victoria University of Wellington) | The Hubble series: Convergence properties and redshift variables | 15 pages, 2 figures, accepted for publication in Classical and
Quantum Gravity | Class.Quant.Grav.24:5985-5998,2007 | 10.1088/0264-9381/24/23/018 | null | gr-qc | null | In cosmography, cosmokinetics, and cosmology it is quite common to encounter
physical quantities expanded as a Taylor series in the cosmological redshift z.
Perhaps the most well-known exemplar of this phenomenon is the Hubble relation
between distance and redshift. However, we now have considerable high-z data
avail... | [
{
"created": "Wed, 10 Oct 2007 00:00:19 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Cattoen",
"Celine",
"",
"Victoria University of Wellington"
],
[
"Visser",
"Matt",
"",
"Victoria University of Wellington"
]
] | In cosmography, cosmokinetics, and cosmology it is quite common to encounter physical quantities expanded as a Taylor series in the cosmological redshift z. Perhaps the most well-known exemplar of this phenomenon is the Hubble relation between distance and redshift. However, we now have considerable high-z data availab... |
1612.07178 | Vladimir Ivashchuk | V. D. Ivashchuk | On stable exponential solutions in Einstein-Gauss-Bonnet cosmology with
zero variation of G | 4 pages, Latex, corrected version of the paper published in Grav.
Cosmol. Three typos for Lambda corresponding to (m,l) = (6,7), (7,5), (7,6)
are eliminated | Gravitation and Cosmology 22(4), 329-332 (2016) | 10.1134/S0202289316040095 | IGC-RUDN-2016-12-1 | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | A D-dimensional gravitational model with a Gauss-Bonnet term and the
cosmological term Lambda is considered. Assuming diagonal cosmological metrics,
we find, for certain non-zero Lambda new examples of solutions with an
exponential time dependence of two scale factors, governed by two Hubble-like
parameters H > 0 and... | [
{
"created": "Wed, 21 Dec 2016 15:21:26 GMT",
"version": "v1"
}
] | 2016-12-28 | [
[
"Ivashchuk",
"V. D.",
""
]
] | A D-dimensional gravitational model with a Gauss-Bonnet term and the cosmological term Lambda is considered. Assuming diagonal cosmological metrics, we find, for certain non-zero Lambda new examples of solutions with an exponential time dependence of two scale factors, governed by two Hubble-like parameters H > 0 and h... |
2111.02963 | Patrick Peter | Jaime de Cabo Martin, Przemys{\l}aw Ma{\l}kiewicz and Patrick Peter | Unitarily inequivalent quantum cosmological bouncing models | 13 pages, 7 figures | Phys.Rev.D 105 (2022) 2, 023522 | 10.1103/PhysRevD.105.023522 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | By quantising the background as well as the perturbations in a simple one
fluid model, we show that there exists an ambiguity in the choice of relevant
variables, potentially leading to incompatible observational physical
predictions. In a classical or quantum inflationary background, the exact same
canonical transfo... | [
{
"created": "Thu, 4 Nov 2021 15:45:40 GMT",
"version": "v1"
},
{
"created": "Tue, 16 Nov 2021 22:35:46 GMT",
"version": "v2"
}
] | 2023-10-25 | [
[
"Martin",
"Jaime de Cabo",
""
],
[
"Małkiewicz",
"Przemysław",
""
],
[
"Peter",
"Patrick",
""
]
] | By quantising the background as well as the perturbations in a simple one fluid model, we show that there exists an ambiguity in the choice of relevant variables, potentially leading to incompatible observational physical predictions. In a classical or quantum inflationary background, the exact same canonical transform... |
2102.00553 | Oleg Tsupko | Oleg Yu. Tsupko | Deflection of light rays by spherically symmetric black hole in
dispersive medium | 10 pages, 3 figures | Phys. Rev. D 103, 104019 (2021) | 10.1103/PhysRevD.103.104019 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The influence of the medium on the gravitational deflection of light rays is
widely discussed in literature for the simplest non-trivial case: cold
non-magnetized plasma. In this article, we generalize these studies to the case
of an arbitrary transparent dispersive medium with a given refractive index. We
calculate ... | [
{
"created": "Sun, 31 Jan 2021 22:47:58 GMT",
"version": "v1"
}
] | 2021-05-19 | [
[
"Tsupko",
"Oleg Yu.",
""
]
] | The influence of the medium on the gravitational deflection of light rays is widely discussed in literature for the simplest non-trivial case: cold non-magnetized plasma. In this article, we generalize these studies to the case of an arbitrary transparent dispersive medium with a given refractive index. We calculate th... |
gr-qc/9904009 | Jose A. Font | N. Stergioulas (1,2), J.A. Font (1), K.D. Kokkotas (2) ((1)
AEI-Potsdam, (2) Thessaloniki) | Non-linear Evolution of Rotating Relativistic Stars | 12 pages, 4 figures, Contribution to the 19th Texas Symposium | null | null | null | gr-qc astro-ph | null | We present first results of the non-linear evolution of rotating relativistic
stars obtained with an axisymmetric relativistic hydrodynamics code in a fixed
spacetime. As initial data we use stationary axisymmetric and perturbed
configurations. We find that, in order to prevent (numerical) angular momentum
loss at th... | [
{
"created": "Mon, 5 Apr 1999 07:20:09 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Stergioulas",
"N.",
""
],
[
"Font",
"J. A.",
""
],
[
"Kokkotas",
"K. D.",
""
]
] | We present first results of the non-linear evolution of rotating relativistic stars obtained with an axisymmetric relativistic hydrodynamics code in a fixed spacetime. As initial data we use stationary axisymmetric and perturbed configurations. We find that, in order to prevent (numerical) angular momentum loss at the ... |
1212.4928 | Jun Wang | Jun Wang, Ya-Bo Wu, Yong-Xin Guo, Fang Qi, Yue-Yue Zhao, Xiao-Yu Sun | Conditions and instability in $f(R)$ gravity with non-minimal coupling
between matter and geometry | 9 pages | Eur. Phys. J. C, Volume 69, Numbers 3-4, 541-546, 2010 | 10.1140/epjc/s10052-010-1419-y | null | gr-qc astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this paper on the basis of the generalized $f(R)$ gravity model with
arbitrary coupling between geometry and matter, four classes of $f(R)$ gravity
models with non minimal coupling between geometry and matter will be studied.
By means of conditions of power law expansion and the equation of state of
matter less th... | [
{
"created": "Thu, 20 Dec 2012 05:47:10 GMT",
"version": "v1"
}
] | 2015-06-12 | [
[
"Wang",
"Jun",
""
],
[
"Wu",
"Ya-Bo",
""
],
[
"Guo",
"Yong-Xin",
""
],
[
"Qi",
"Fang",
""
],
[
"Zhao",
"Yue-Yue",
""
],
[
"Sun",
"Xiao-Yu",
""
]
] | In this paper on the basis of the generalized $f(R)$ gravity model with arbitrary coupling between geometry and matter, four classes of $f(R)$ gravity models with non minimal coupling between geometry and matter will be studied. By means of conditions of power law expansion and the equation of state of matter less than... |
2001.02414 | Andronikos Paliathanasis | Alex Giacomini, Genly Leon, Andronikos Paliathanasis and Supriya Pan | Cosmological Evolution of Two-Scalar fields Cosmology in the Jordan
frame | 38 pages, 13 figures, no tables | null | 10.1140/epjc/s10052-020-7730-3 | null | gr-qc astro-ph.CO hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In the present article we study the cosmological evolution of a two-scalar
field gravitational theory defined in the Jordan frame. Specifically, we assume
one of the scalar fields to be minimally coupled to gravity, while the second
field which is the Brans-Dicke scalar field is nonminimally coupled to gravity
and al... | [
{
"created": "Wed, 8 Jan 2020 08:47:47 GMT",
"version": "v1"
}
] | 2020-03-18 | [
[
"Giacomini",
"Alex",
""
],
[
"Leon",
"Genly",
""
],
[
"Paliathanasis",
"Andronikos",
""
],
[
"Pan",
"Supriya",
""
]
] | In the present article we study the cosmological evolution of a two-scalar field gravitational theory defined in the Jordan frame. Specifically, we assume one of the scalar fields to be minimally coupled to gravity, while the second field which is the Brans-Dicke scalar field is nonminimally coupled to gravity and also... |
gr-qc/9502006 | Renate Loll | R. Loll (INFN, Florence) | NON-PERTURBATIVE SOLUTIONS FOR LATTICE QUANTUM GRAVITY | 26 pages, 2 figures (postscript, compressed and uuencoded), TeX, Jan
95 | Nucl.Phys.B444:619-640,1995 | 10.1016/0550-3213(95)00184-T | DFF 220/01/95 | gr-qc hep-th | null | We propose a new, discretized model for the study of 3+1-dimensional
canonical quantum gravity, based on the classical $SL(2,\C)$-connection
formulation. The discretization takes place on a topological $N^3$- lattice
with periodic boundary conditions. All operators and wave functions are
constructed from one-dimensio... | [
{
"created": "Wed, 1 Feb 1995 12:56:21 GMT",
"version": "v1"
}
] | 2010-11-01 | [
[
"Loll",
"R.",
"",
"INFN, Florence"
]
] | We propose a new, discretized model for the study of 3+1-dimensional canonical quantum gravity, based on the classical $SL(2,\C)$-connection formulation. The discretization takes place on a topological $N^3$- lattice with periodic boundary conditions. All operators and wave functions are constructed from one-dimensiona... |
1107.2728 | Zou De Cheng | Kang Zhou, Zhan-Ying Yang, De-Cheng Zou and Rui-Hong Yue | Spherically symmetric gravitational collapse of a dust cloud in
Einstein-Gauss-Bonnet Gravity | 16 pages, 4 figures and accepted by Mod. Phys. Lett. A | Mod.Phys.Lett.A26:2135-2147,2011 | 10.1142/S0217732311036449 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We explore the gravitational collapse of a spherically symmetric dust cloud
in the Einstein-Gauss-Bonnet gravity without a cosmological constant, and
obtain three families of LTB-like solutions. It is shown that the Gauss-Bonnet
term has a profound influence on the nature of singularities, and the global
structure of... | [
{
"created": "Thu, 14 Jul 2011 05:29:51 GMT",
"version": "v1"
}
] | 2011-10-04 | [
[
"Zhou",
"Kang",
""
],
[
"Yang",
"Zhan-Ying",
""
],
[
"Zou",
"De-Cheng",
""
],
[
"Yue",
"Rui-Hong",
""
]
] | We explore the gravitational collapse of a spherically symmetric dust cloud in the Einstein-Gauss-Bonnet gravity without a cosmological constant, and obtain three families of LTB-like solutions. It is shown that the Gauss-Bonnet term has a profound influence on the nature of singularities, and the global structure of s... |
1602.03081 | Maria Haney | Sashwat Tanay, Maria Haney and Achamveedu Gopakumar | Frequency and time domain inspiral templates for comparable mass compact
binaries in eccentric orbits | 30 pages, 5 figures | Phys. Rev. D 93, 064031 (2016) | 10.1103/PhysRevD.93.064031 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Inspiraling compact binaries with non-negligible orbital eccentricities are
plausible gravitational wave (GW) sources for the upcoming network of GW
observatories. In this paper, we present two prescriptions to compute
post-Newtonian (PN) accurate inspiral templates for such binaries. First, we
adapt and extend the p... | [
{
"created": "Tue, 9 Feb 2016 17:19:06 GMT",
"version": "v1"
},
{
"created": "Sat, 14 May 2016 17:47:58 GMT",
"version": "v2"
}
] | 2016-05-17 | [
[
"Tanay",
"Sashwat",
""
],
[
"Haney",
"Maria",
""
],
[
"Gopakumar",
"Achamveedu",
""
]
] | Inspiraling compact binaries with non-negligible orbital eccentricities are plausible gravitational wave (GW) sources for the upcoming network of GW observatories. In this paper, we present two prescriptions to compute post-Newtonian (PN) accurate inspiral templates for such binaries. First, we adapt and extend the pos... |
1705.00584 | Fatemeh Zahra Majidi | F. Z. Majidi | Another Kerr interior solution | 14 pages, 3 figures, 2 tables | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | A stationary axially symmetric solution describing a rotating anisotropic
source for Einstein Field Equations(EFE) is proposed which matches to the
exterior Kerr metric. The anisotropic source satisfies all energy conditions -
weak, strong, and dominant energy condition - for a wide range of metric's free
parameters ... | [
{
"created": "Mon, 1 May 2017 16:40:29 GMT",
"version": "v1"
},
{
"created": "Sun, 14 May 2017 17:33:02 GMT",
"version": "v2"
},
{
"created": "Sun, 2 Jul 2017 18:09:08 GMT",
"version": "v3"
}
] | 2017-07-04 | [
[
"Majidi",
"F. Z.",
""
]
] | A stationary axially symmetric solution describing a rotating anisotropic source for Einstein Field Equations(EFE) is proposed which matches to the exterior Kerr metric. The anisotropic source satisfies all energy conditions - weak, strong, and dominant energy condition - for a wide range of metric's free parameters va... |
gr-qc/9608010 | null | Dieter R. Brill | Multi-Black-Holes in 3D and 4D anti-de Sitter Spacetimes | Talk given at the Journees Relativistes 96 (Ascona, Switzerland). 4
pages, LaTeX, includes 1 LaTeX figure | Helv.Phys.Acta 69:249-252,1996 | null | PP97--13 | gr-qc | null | The (single) black hole solutions of Ba\~nados, Teitelboim and Zanelli (BTZ)
in 2+1 dimensional anti-de Sitter space are generalized to an arbitrary number
$n$ of such black holes. The resulting multi-black-hole (MBH) spacetime is
locally isometric to anti-de Sitter space, and globally it is obtained from the
latter ... | [
{
"created": "Mon, 5 Aug 1996 15:59:41 GMT",
"version": "v1"
}
] | 2011-04-15 | [
[
"Brill",
"Dieter R.",
""
]
] | The (single) black hole solutions of Ba\~nados, Teitelboim and Zanelli (BTZ) in 2+1 dimensional anti-de Sitter space are generalized to an arbitrary number $n$ of such black holes. The resulting multi-black-hole (MBH) spacetime is locally isometric to anti-de Sitter space, and globally it is obtained from the latter as... |
gr-qc/0209013 | J. Ponce de Leon | J. Ponce de Leon | Invariant definition of rest mass and dynamics of particles in 4D from
bulk geodesics in brane-world and non-compact Kaluza-Klein theories | The same article, just references updated. To appear in Int. J. of
Mod. Phys. D | Int.J.Mod.Phys.D12:757-780,2003 | 10.1142/S0218271803003384 | null | gr-qc | null | In the Randall-Sundrum brane-world scenario and other non-compact
Kaluza-Klein theories, the motion of test particles is higher-dimensional in
nature. In other words, all test particles travel on five-dimensional geodesics
but observers, who are bounded to spacetime, have access only to the 4D part of
the trajectory.... | [
{
"created": "Wed, 4 Sep 2002 14:34:15 GMT",
"version": "v1"
},
{
"created": "Fri, 24 Jan 2003 13:08:19 GMT",
"version": "v2"
}
] | 2011-07-19 | [
[
"de Leon",
"J. Ponce",
""
]
] | In the Randall-Sundrum brane-world scenario and other non-compact Kaluza-Klein theories, the motion of test particles is higher-dimensional in nature. In other words, all test particles travel on five-dimensional geodesics but observers, who are bounded to spacetime, have access only to the 4D part of the trajectory. C... |
1004.3768 | Robert Owen | Robert Owen | Degeneracy measures for the algebraic classification of numerical
spacetimes | 14 pages, 7 figures. Version 2 adds two references. | Phys. Rev. D 81, 124042 (2010) | 10.1103/PhysRevD.81.124042 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the issue of algebraic classification of the Weyl curvature tensor,
with a particular focus on numerical relativity simulations. The spacetimes of
interest in this context, binary black hole mergers, and the ringdowns that
follow them, present subtleties in that they are generically, strictly
speaking, Type ... | [
{
"created": "Wed, 21 Apr 2010 18:41:55 GMT",
"version": "v1"
},
{
"created": "Thu, 22 Apr 2010 21:21:58 GMT",
"version": "v2"
}
] | 2013-05-29 | [
[
"Owen",
"Robert",
""
]
] | We study the issue of algebraic classification of the Weyl curvature tensor, with a particular focus on numerical relativity simulations. The spacetimes of interest in this context, binary black hole mergers, and the ringdowns that follow them, present subtleties in that they are generically, strictly speaking, Type I,... |
1702.02983 | Philippe Brax | Philippe Brax, Anne-Christine Davis and Rahul Jha | Neutron Stars in Screened Modified Gravity: Chameleon vs Dilaton | 24 pages, 7 figures | Phys. Rev. D 95, 083514 (2017) | 10.1103/PhysRevD.95.083514 | null | gr-qc astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider the scalar field profile around relativistic compact objects such
as neutron stars for a range of modified gravity models with screening
mechanisms of the chameleon and Damour-Polyakov types. We focus primarily on
inverse power law chameleons and the environmentally dependent dilaton as
examples of both m... | [
{
"created": "Thu, 9 Feb 2017 21:11:07 GMT",
"version": "v1"
}
] | 2017-04-19 | [
[
"Brax",
"Philippe",
""
],
[
"Davis",
"Anne-Christine",
""
],
[
"Jha",
"Rahul",
""
]
] | We consider the scalar field profile around relativistic compact objects such as neutron stars for a range of modified gravity models with screening mechanisms of the chameleon and Damour-Polyakov types. We focus primarily on inverse power law chameleons and the environmentally dependent dilaton as examples of both mec... |
gr-qc/9503011 | null | Pedro F. Gonzalez-Diaz | The Schwarzschild Black-Hole Pair | 17 pages, plain latex, figure available upon request | null | null | IMAFF-RC-04-95 | gr-qc | null | By allowing the lightcones to tip over according to the conservation laws of
an one-kink in static, Schwarzschild metric, we show that there also exists an
instanton which represents production of pairs of chargeless, nonrotating black
holes with mass $M$, joined on an interior surface beyond the horizon ar $r=M$.
Ev... | [
{
"created": "Tue, 7 Mar 1995 08:33:33 GMT",
"version": "v1"
}
] | 2016-08-31 | [
[
"Gonzalez-Diaz",
"Pedro F.",
""
]
] | By allowing the lightcones to tip over according to the conservation laws of an one-kink in static, Schwarzschild metric, we show that there also exists an instanton which represents production of pairs of chargeless, nonrotating black holes with mass $M$, joined on an interior surface beyond the horizon ar $r=M$. Eval... |
2309.09391 | Praveen Dennis Xavier DPhil | Praveen Dennis Xavier | Towards a dual formulation of quantum gravity via metric-curvature
bijections | 12 pages, 2 figures. Submitted to Classical and Quantum Gravity, IOP.
ver2: Extended introduction | null | null | null | gr-qc hep-th math-ph math.MP | http://creativecommons.org/licenses/by/4.0/ | We prove that Riemannian metrics in General Relativity in the
\emph{`normal-coordinates'} gauge are in one-to-one correspondence with
curvature 2-forms. We discuss how this can be used as a change of variables in
the operator formalism to construct a dual formulation of quantum gravity
pertinent in the context of asy... | [
{
"created": "Sun, 17 Sep 2023 22:44:48 GMT",
"version": "v1"
},
{
"created": "Sat, 30 Sep 2023 12:48:16 GMT",
"version": "v2"
}
] | 2023-10-03 | [
[
"Xavier",
"Praveen Dennis",
""
]
] | We prove that Riemannian metrics in General Relativity in the \emph{`normal-coordinates'} gauge are in one-to-one correspondence with curvature 2-forms. We discuss how this can be used as a change of variables in the operator formalism to construct a dual formulation of quantum gravity pertinent in the context of asymp... |
1706.02719 | Noemi Frusciante | Noemi Frusciante and Georgios Papadomanolakis | Tackling non-linearities with the effective field theory of dark energy
and modified gravity | 19 pages. Sec IV and Appendix B added. Matches JCAP version | null | 10.1088/1475-7516/2017/12/014 | null | gr-qc astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present the extension of the effective field theory framework to the
mildly non-linear scales. The effective field theory approach has been
successfully applied to the late time cosmic acceleration phenomenon and it has
been shown to be a powerful method to obtain predictions about cosmological
observables on line... | [
{
"created": "Thu, 8 Jun 2017 18:05:43 GMT",
"version": "v1"
},
{
"created": "Wed, 29 Nov 2017 11:32:54 GMT",
"version": "v2"
}
] | 2017-12-20 | [
[
"Frusciante",
"Noemi",
""
],
[
"Papadomanolakis",
"Georgios",
""
]
] | We present the extension of the effective field theory framework to the mildly non-linear scales. The effective field theory approach has been successfully applied to the late time cosmic acceleration phenomenon and it has been shown to be a powerful method to obtain predictions about cosmological observables on linear... |
1005.1232 | Mauricio Bellini | Luz Marina Reyes, Jose Edgar Madriz Aguilar (Guanajuato University),
and Mauricio Bellini (Mar del Plata University & IFM, CONICET) | Stochastic emergence of inflaton fluctuations in a SdS primordial
universe with large-scale repulsive gravity from a 5D vacuum | version accepted in European Physical Journal Plus | Eur.Phys.J.Plus 126:56,2011 | 10.1140/epjp/i2011-11056-2 | null | gr-qc astro-ph.CO hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We develop a stochastic approach to study scalar field fluctuations of the
inflaton field in an early inflationary universe with a black-hole (BH), which
is described by an effective 4D SdS metric. Considering a 5D Ricci-flat SdS
static metric, we implement a planar coordinate transformation, in order to
obtain a 5D ... | [
{
"created": "Fri, 7 May 2010 15:30:37 GMT",
"version": "v1"
},
{
"created": "Fri, 25 Jun 2010 21:48:54 GMT",
"version": "v2"
},
{
"created": "Mon, 23 Aug 2010 15:31:39 GMT",
"version": "v3"
},
{
"created": "Sat, 4 Dec 2010 16:53:57 GMT",
"version": "v4"
},
{
"cre... | 2011-06-15 | [
[
"Reyes",
"Luz Marina",
"",
"Guanajuato University"
],
[
"Aguilar",
"Jose Edgar Madriz",
"",
"Guanajuato University"
],
[
"Bellini",
"Mauricio",
"",
"Mar del Plata University & IFM, CONICET"
]
] | We develop a stochastic approach to study scalar field fluctuations of the inflaton field in an early inflationary universe with a black-hole (BH), which is described by an effective 4D SdS metric. Considering a 5D Ricci-flat SdS static metric, we implement a planar coordinate transformation, in order to obtain a 5D co... |
gr-qc/0605032 | Alan Pavan Bendasoli | A. B. Pavan | Analysis of spherically symmetric black holes in Braneworld models | Master Degree thesis (in portuguese), Advisor: Prof. Dr. Elcio
Abdalla, 126 pages, 16 figures | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Research on black holes and their physical proprieties has been active on
last 90 years. With the appearance of the String Theory and the Braneworld
models as alternative descriptions of our Universe, the interest on black
holes, in these context, increased. In this work we studied black holes in
Braneworld models. A... | [
{
"created": "Fri, 5 May 2006 16:45:01 GMT",
"version": "v1"
},
{
"created": "Tue, 25 May 2010 13:30:13 GMT",
"version": "v2"
}
] | 2010-05-26 | [
[
"Pavan",
"A. B.",
""
]
] | Research on black holes and their physical proprieties has been active on last 90 years. With the appearance of the String Theory and the Braneworld models as alternative descriptions of our Universe, the interest on black holes, in these context, increased. In this work we studied black holes in Braneworld models. A c... |
1503.05737 | Bobir Toshmatov | Bobir Toshmatov, Ahmadjon Abdujabbarov, Zden\v{e}k Stuchl\'ik,
Bobomurat Ahmedov | Quasinormal modes of test fields around regular black holes | 13 pages, 11 figures, 4 tables | Phys. Rev. D 91, 083008 (2015) | 10.1103/PhysRevD.91.083008 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study scalar, electromagnetic and gravitational test fields in the
Hayward, Bardeen and Ay\'on-Beato-Garc\'ia regular black hole spacetimes and
demonstrate that the test fields are stable in all these spacetimes. Using the
sixth order WKB approximation of the linear "axial" perturbative scheme, we
determine depend... | [
{
"created": "Thu, 19 Mar 2015 12:28:35 GMT",
"version": "v1"
},
{
"created": "Sat, 25 Apr 2015 00:44:41 GMT",
"version": "v2"
}
] | 2015-04-28 | [
[
"Toshmatov",
"Bobir",
""
],
[
"Abdujabbarov",
"Ahmadjon",
""
],
[
"Stuchlík",
"Zdeněk",
""
],
[
"Ahmedov",
"Bobomurat",
""
]
] | We study scalar, electromagnetic and gravitational test fields in the Hayward, Bardeen and Ay\'on-Beato-Garc\'ia regular black hole spacetimes and demonstrate that the test fields are stable in all these spacetimes. Using the sixth order WKB approximation of the linear "axial" perturbative scheme, we determine dependen... |
2206.11257 | Kazunori Kohri | Kazunori Kohri, and Kei-ichi Maeda | A Possible Solution to the Helium Anomaly of EMPRESS VIII by Cuscuton
Gravity Theory | 7 pages, 1 figure, to appear in PTEP | null | null | KEK-TH-2433, KEK-Cosmo-0290 | gr-qc astro-ph.CO hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We discuss cosmology based on the cuscuton gravity theory to resolve the
anomaly of the observational $^4$He abundance reported by the EMPRESS
collaboration. We find that the gravitational constant $G_{\rm cos}$ in
Friedmann equation should be smaller than the Newton's constant ${G_{\rm N}}$
such that ${\Delta G_{\rm... | [
{
"created": "Tue, 21 Jun 2022 18:52:54 GMT",
"version": "v1"
},
{
"created": "Tue, 30 Aug 2022 16:07:48 GMT",
"version": "v2"
}
] | 2022-08-31 | [
[
"Kohri",
"Kazunori",
""
],
[
"Maeda",
"Kei-ichi",
""
]
] | We discuss cosmology based on the cuscuton gravity theory to resolve the anomaly of the observational $^4$He abundance reported by the EMPRESS collaboration. We find that the gravitational constant $G_{\rm cos}$ in Friedmann equation should be smaller than the Newton's constant ${G_{\rm N}}$ such that ${\Delta G_{\rm N... |
1907.10851 | V Gayathri | V. Gayathri, P. Bacon, A. Pai, E. Chassande-Mottin, F. Salemi, G.
Vedovato | Astrophysical signal consistency test adapted for gravitational-wave
transient searches | main paper: 8 page and 13 figures, total with appendices: 10 pages
and 13 figures | Phys. Rev. D 100, 124022 (2019) | 10.1103/PhysRevD.100.124022 | LIGO-P1900221 | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Gravitational wave astronomy is established with direct observation of
gravitational wave from merging binary black holes and binary neutron stars
during the first and second observing run of LIGO and Virgo detectors. The
gravitational-wave transient searches mainly categories into two families:
modeled and modeled-i... | [
{
"created": "Thu, 25 Jul 2019 06:21:23 GMT",
"version": "v1"
},
{
"created": "Mon, 23 Dec 2019 05:08:01 GMT",
"version": "v2"
}
] | 2019-12-24 | [
[
"Gayathri",
"V.",
""
],
[
"Bacon",
"P.",
""
],
[
"Pai",
"A.",
""
],
[
"Chassande-Mottin",
"E.",
""
],
[
"Salemi",
"F.",
""
],
[
"Vedovato",
"G.",
""
]
] | Gravitational wave astronomy is established with direct observation of gravitational wave from merging binary black holes and binary neutron stars during the first and second observing run of LIGO and Virgo detectors. The gravitational-wave transient searches mainly categories into two families: modeled and modeled-ind... |
1312.2228 | Cosimo Bambi | Cosimo Bambi | Testing the nature of the black hole candidate in GRO J1655-40 with the
relativistic precession model | 9 pages, 4 figures. v2: added new material and found different
conclusions | Eur.Phys.J.C75:162,2015 | 10.1140/epjc/s10052-015-3396-7 | null | gr-qc astro-ph.HE | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Quasi-periodic oscillations (QPOs) are a common feature in the X-ray flux of
stellar-mass black hole candidates, but their exact origin is not yet known.
Recently, some authors have pointed out that data of GRO J1655-40
simultaneously show three QPOs that nicely fit in the relativistic precession
model. However, they... | [
{
"created": "Sun, 8 Dec 2013 15:31:39 GMT",
"version": "v1"
},
{
"created": "Sat, 22 Mar 2014 01:31:35 GMT",
"version": "v2"
}
] | 2015-04-28 | [
[
"Bambi",
"Cosimo",
""
]
] | Quasi-periodic oscillations (QPOs) are a common feature in the X-ray flux of stellar-mass black hole candidates, but their exact origin is not yet known. Recently, some authors have pointed out that data of GRO J1655-40 simultaneously show three QPOs that nicely fit in the relativistic precession model. However, they f... |
1208.3891 | Christian Reisswig | Christian Reisswig, Nigel T. Bishop, Denis Pollney | General relativistic null-cone evolutions with a high-order scheme | 24 pages, 3 figures | null | 10.1007/s10714-013-1513-1 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present a high-order scheme for solving the full non-linear Einstein
equations on characteristic null hypersurfaces using the framework established
by Bondi and Sachs. This formalism allows asymptotically flat spaces to be
represented on a finite, compactified grid, and is thus ideal for far-field
studies of gravi... | [
{
"created": "Sun, 19 Aug 2012 20:37:22 GMT",
"version": "v1"
}
] | 2015-06-11 | [
[
"Reisswig",
"Christian",
""
],
[
"Bishop",
"Nigel T.",
""
],
[
"Pollney",
"Denis",
""
]
] | We present a high-order scheme for solving the full non-linear Einstein equations on characteristic null hypersurfaces using the framework established by Bondi and Sachs. This formalism allows asymptotically flat spaces to be represented on a finite, compactified grid, and is thus ideal for far-field studies of gravita... |
gr-qc/0506008 | Yasushi Mino | Yasushi Mino | Extreme Mass Ratio Binary: Radiation reaction and gravitational waveform | Classical and Quantum Gravity 22 (2005) S375-S379, Proceedings for
5th International LISA Symposium | Class.Quant.Grav.22:S375-S379,2005 | 10.1088/0264-9381/22/10/032 | null | gr-qc | null | For a successful detection of gravitational waves by LISA, it is essential to
construct theoretical waveforms in a reliable manner. We discuss gravitational
waves from an extreme mass ratio binary system which is expected to be a
promising target of the LISA project.
The extreme mass ratio binary is a binary system... | [
{
"created": "Wed, 1 Jun 2005 16:37:57 GMT",
"version": "v1"
}
] | 2010-11-26 | [
[
"Mino",
"Yasushi",
""
]
] | For a successful detection of gravitational waves by LISA, it is essential to construct theoretical waveforms in a reliable manner. We discuss gravitational waves from an extreme mass ratio binary system which is expected to be a promising target of the LISA project. The extreme mass ratio binary is a binary system of ... |
gr-qc/0110067 | Margarita Safonova | Zafar Turakulov (IUCAA, Pune) and Margarita Safonova (University of
Delhi, New Delhi) | Motion of a Vector Particle in a Curved Spacetime. I. Lagrangian
Approach | 6 pages, uses mpla1.sty, published in MPLA, replaced with corrected
typos | Mod.Phys.Lett. A18 (2003) 579-586 | 10.1142/S0217732303009113 | null | gr-qc | null | From the simple Lagrangian the equations of motion for the particle with spin
are derived. The spin is shown to be conserved on the particle world-line. In
the absence of a spin the equation coincides with that of a geodesic. The
equations of motion are valid for massless particles as well, since mass does
not enter ... | [
{
"created": "Sun, 14 Oct 2001 13:28:16 GMT",
"version": "v1"
},
{
"created": "Tue, 8 Mar 2005 06:40:08 GMT",
"version": "v2"
}
] | 2009-11-07 | [
[
"Turakulov",
"Zafar",
"",
"IUCAA, Pune"
],
[
"Safonova",
"Margarita",
"",
"University of\n Delhi, New Delhi"
]
] | From the simple Lagrangian the equations of motion for the particle with spin are derived. The spin is shown to be conserved on the particle world-line. In the absence of a spin the equation coincides with that of a geodesic. The equations of motion are valid for massless particles as well, since mass does not enter th... |
1405.7887 | Wlodzimierz Piechocki | Herv\'e Bergeron, Orest Hrycyna, Przemys{\l}aw Ma{\l}kiewicz, and
W{\l}odzimierz Piechocki | Quantum theory of the Bianchi II model | 12 pages, 3 figures, version accepted by PRD | Physical Review D 90, 044041 (2014) | 10.1103/PhysRevD.90.044041 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We describe the quantum evolution of the vacuum Bianchi II universe in terms
of the transition amplitude between two asymptotic quantum Kasner-like states.
For large values of the momentum variable the classical and quantum
calculations give similar results. The difference occurs for small values of
this variable due... | [
{
"created": "Fri, 30 May 2014 15:16:42 GMT",
"version": "v1"
},
{
"created": "Sun, 24 Aug 2014 06:12:57 GMT",
"version": "v2"
}
] | 2015-06-19 | [
[
"Bergeron",
"Hervé",
""
],
[
"Hrycyna",
"Orest",
""
],
[
"Małkiewicz",
"Przemysław",
""
],
[
"Piechocki",
"Włodzimierz",
""
]
] | We describe the quantum evolution of the vacuum Bianchi II universe in terms of the transition amplitude between two asymptotic quantum Kasner-like states. For large values of the momentum variable the classical and quantum calculations give similar results. The difference occurs for small values of this variable due t... |
2208.07504 | Daiki Saito | Daiki Saito and Chul-Moon Yoo | Stationary Vacuum Bubble in a Kerr-de Sitter Spacetime | 17 pages, 8 figures; v2:accepted for publication in Phys. Rev. D | null | 10.1103/PhysRevD.107.064043 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study false vacuum decay in a black hole (BH) spacetime with an angular
momentum. Considering the false vacuum region described by a Kerr-de Sitter
geometry, under the thin wall approximation, we can obtain the stationary
configuration of the vacuum bubble seen from the outside false vacuum region
without specifyi... | [
{
"created": "Tue, 16 Aug 2022 02:27:35 GMT",
"version": "v1"
},
{
"created": "Tue, 14 Mar 2023 02:08:57 GMT",
"version": "v2"
}
] | 2023-03-29 | [
[
"Saito",
"Daiki",
""
],
[
"Yoo",
"Chul-Moon",
""
]
] | We study false vacuum decay in a black hole (BH) spacetime with an angular momentum. Considering the false vacuum region described by a Kerr-de Sitter geometry, under the thin wall approximation, we can obtain the stationary configuration of the vacuum bubble seen from the outside false vacuum region without specifying... |
1809.08691 | Caio Macedo | Caio F. B. Macedo | Dynamical signatures of black holes in massive Chern-Simons gravity:
Quasibound modes and time evolution | 7 pages, 4 figures. V2: Matches version in PRD | Phys. Rev. D 98, 084054 (2018) | 10.1103/PhysRevD.98.084054 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Dynamical Chern-Simons (dCS) gravity is a promising extension of general
relativity (GR), arising naturally from the low-energy limit of some string
motivated theories. Even though dCS possesses an additional scalar degree of
freedom, interestingly, the Schwarzschild black hole is an exact solution of
it. Concerning ... | [
{
"created": "Sun, 23 Sep 2018 22:42:12 GMT",
"version": "v1"
},
{
"created": "Mon, 29 Oct 2018 14:31:04 GMT",
"version": "v2"
}
] | 2018-11-07 | [
[
"Macedo",
"Caio F. B.",
""
]
] | Dynamical Chern-Simons (dCS) gravity is a promising extension of general relativity (GR), arising naturally from the low-energy limit of some string motivated theories. Even though dCS possesses an additional scalar degree of freedom, interestingly, the Schwarzschild black hole is an exact solution of it. Concerning dy... |
1704.05880 | Sohyun Park | Sibel Boran, Emre Onur Kahya, Sohyun Park | Quantum gravity corrections to the conformally coupled scalar
self-mass-squared on de Sitter II: kinetic-conformal cross terms | 44 pages, 31 tables, comments welcome, v2: made some clarifications,
v3: matches the published version in PRD | Phys. Rev. D 96, 025001 (2017) | 10.1103/PhysRevD.96.025001 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The present work is the second part of a series of computations for the
self-mass-squared of the conformally coupled (CC) scalar interacting with
gravitons. This work includes the kinetic-kinetic and kinetic-conformal parts,
and thus completes the full scalar self-mass squared at one loop order in de
Sitter backgroun... | [
{
"created": "Wed, 19 Apr 2017 18:18:31 GMT",
"version": "v1"
},
{
"created": "Tue, 25 Apr 2017 07:11:11 GMT",
"version": "v2"
},
{
"created": "Sun, 6 Aug 2017 01:36:58 GMT",
"version": "v3"
}
] | 2017-08-08 | [
[
"Boran",
"Sibel",
""
],
[
"Kahya",
"Emre Onur",
""
],
[
"Park",
"Sohyun",
""
]
] | The present work is the second part of a series of computations for the self-mass-squared of the conformally coupled (CC) scalar interacting with gravitons. This work includes the kinetic-kinetic and kinetic-conformal parts, and thus completes the full scalar self-mass squared at one loop order in de Sitter background ... |
1906.10791 | Xing Zhang | Xing Zhang, Rui Niu, Wen Zhao | Constraining the scalar-tensor gravity theories with and without
screening mechanisms by combined observations | 6 pages, 2 figures, 1 table, Phys. Rev. D accepted | Phys. Rev. D 100, 024038 (2019) | 10.1103/PhysRevD.100.024038 | null | gr-qc astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Screened modified gravity (SMG) and Brans-Dicke (BD) gravity are typical
examples of scalar-tensor theories with and without screening mechanisms, which
can suppress the scalar field in dense regions. In this paper, we investigate
the tests of time-varying gravitational constant $G$, gravitational dipole
radiation, a... | [
{
"created": "Wed, 26 Jun 2019 00:27:27 GMT",
"version": "v1"
}
] | 2019-07-22 | [
[
"Zhang",
"Xing",
""
],
[
"Niu",
"Rui",
""
],
[
"Zhao",
"Wen",
""
]
] | Screened modified gravity (SMG) and Brans-Dicke (BD) gravity are typical examples of scalar-tensor theories with and without screening mechanisms, which can suppress the scalar field in dense regions. In this paper, we investigate the tests of time-varying gravitational constant $G$, gravitational dipole radiation, and... |
1908.10176 | Salvatore Capozziello | Salvatore Capozziello, Carlo Alberto Mantica, and Luca Guido Molinari | Cosmological perfect fluids in higher-order gravity | 6 pages | null | 10.1007/s10714-020-02690-2 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We prove that in Robertson-Walker space-times (and in generalized
Robertson-Walker spacetimes of dimension greater than 3 with divergence-free
Weyl tensor) all higher-order gravitational corrections of the Hilbert-Einstein
Lagrangian density $F(R,\square R, ... , \square^k R)$ have the form of perfect
fluids in the f... | [
{
"created": "Tue, 27 Aug 2019 13:11:17 GMT",
"version": "v1"
}
] | 2020-04-29 | [
[
"Capozziello",
"Salvatore",
""
],
[
"Mantica",
"Carlo Alberto",
""
],
[
"Molinari",
"Luca Guido",
""
]
] | We prove that in Robertson-Walker space-times (and in generalized Robertson-Walker spacetimes of dimension greater than 3 with divergence-free Weyl tensor) all higher-order gravitational corrections of the Hilbert-Einstein Lagrangian density $F(R,\square R, ... , \square^k R)$ have the form of perfect fluids in the fie... |
0904.4910 | Brennan Hughey | LIGO Scientific Collaboration: B. Abbott, et al | Search for High Frequency Gravitational Wave Bursts in the First
Calendar Year of LIGO's Fifth Science Run | 13 pages, accepted for publication in Physical Review D | Phys.Rev.D80:102002,2009 | 10.1103/PhysRevD.80.102002 | LIGO-P080080 | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present an all-sky search for gravitational waves in the frequency range 1
to 6 kHz during the first calendar year of LIGO's fifth science run. This is
the first untriggered LIGO burst analysis to be conducted above 3 kHz. We
discuss the unique properties of interferometric data in this regime. 161.3
days of tripl... | [
{
"created": "Thu, 30 Apr 2009 18:27:08 GMT",
"version": "v1"
},
{
"created": "Tue, 30 Jun 2009 21:47:29 GMT",
"version": "v2"
},
{
"created": "Fri, 16 Oct 2009 22:01:26 GMT",
"version": "v3"
}
] | 2009-12-04 | [
[
"LIGO Scientific Collaboration",
"",
""
],
[
"Abbott",
"B.",
""
]
] | We present an all-sky search for gravitational waves in the frequency range 1 to 6 kHz during the first calendar year of LIGO's fifth science run. This is the first untriggered LIGO burst analysis to be conducted above 3 kHz. We discuss the unique properties of interferometric data in this regime. 161.3 days of triple-... |
2003.01545 | Ayan Banerjee | Ayan Banerjee, M. K. Jasim and Sushant G. Ghosh | Wormholes in $f(R,T)$ gravity satisfying the null energy condition with
isotropic pressure | 10 pages, 5 figures, accepted for publication in Annals of Physics | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider $f(R, T)$ theory of gravity, in which the gravitational
Lagrangian is given by an arbitrary function of the Ricci scalar and the trace
of the energy-momentum tensor, to study static spherically symmetric wormhole
geometries sustained by matter sources with isotropic pressure. According to
restrictions on ... | [
{
"created": "Mon, 2 Mar 2020 14:35:59 GMT",
"version": "v1"
},
{
"created": "Mon, 2 Aug 2021 07:14:06 GMT",
"version": "v2"
}
] | 2021-08-03 | [
[
"Banerjee",
"Ayan",
""
],
[
"Jasim",
"M. K.",
""
],
[
"Ghosh",
"Sushant G.",
""
]
] | We consider $f(R, T)$ theory of gravity, in which the gravitational Lagrangian is given by an arbitrary function of the Ricci scalar and the trace of the energy-momentum tensor, to study static spherically symmetric wormhole geometries sustained by matter sources with isotropic pressure. According to restrictions on th... |
1908.01886 | Brandon Bautista | Brandon Bautista-Olvera, Juan Carlos Degollado, Gabriel German | Geodesic structure of a rotating regular black hole | 18 pages, 16 figures | null | 10.1007/s10714-023-03114-7 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We examine the dynamics of particles around a rotating regular black hole. In
particular we focus on the effects of the characteristic length parameter of
the spinning black hole on the motion of the particles by solving the equation
of orbital motion. We have found that there is a fourth constant of motion that
dete... | [
{
"created": "Mon, 5 Aug 2019 22:16:45 GMT",
"version": "v1"
}
] | 2023-05-23 | [
[
"Bautista-Olvera",
"Brandon",
""
],
[
"Degollado",
"Juan Carlos",
""
],
[
"German",
"Gabriel",
""
]
] | We examine the dynamics of particles around a rotating regular black hole. In particular we focus on the effects of the characteristic length parameter of the spinning black hole on the motion of the particles by solving the equation of orbital motion. We have found that there is a fourth constant of motion that determ... |
2105.09515 | J\"org Frauendiener | J\"org Frauendiener and Chris Stevens | The non-linear perturbation of a black hole by gravitational waves. I.
The Bondi-Sachs mass loss | 27 pages, 9 figures. Submitted to CQG focus issue on time-like
boundaries | null | 10.1088/1361-6382/ac1be3 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The excitation of a black hole by infalling matter or radiation has been
studied for a long time, mostly in linear perturbation theory. In this paper we
study numerically the response of a Schwarzschild black hole to an incoming
gravitational wave pulse. We present a numerically well-posed initial boundary
value prob... | [
{
"created": "Thu, 20 May 2021 04:56:54 GMT",
"version": "v1"
}
] | 2021-09-22 | [
[
"Frauendiener",
"Jörg",
""
],
[
"Stevens",
"Chris",
""
]
] | The excitation of a black hole by infalling matter or radiation has been studied for a long time, mostly in linear perturbation theory. In this paper we study numerically the response of a Schwarzschild black hole to an incoming gravitational wave pulse. We present a numerically well-posed initial boundary value proble... |
1103.3019 | Zahra Amirabi | Z. Amirabi, M. Halilsoy and S. Habib Mazharimousavi | Stable thin-shell wormholes with a Chaplygin gas in
Einstein-Maxwell-Gauss-Bonnet gravity | 7 pages, 7 figures, final version accepted for publication in Phys.
Rev. D | Phys. Rev. D 88, 124023 (2013) | 10.1103/PhysRevD.88.124023 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the stability of thin-shell wormholes in
Einstein-Maxwell-Gauss-Bonnet gravity. The equation of state of the thin shell
wormhole is considered first to obey a generalized Chaplygin gas and then we
generalize it to an arbitrary state function which covers all known cases
studied so far. In particular we study... | [
{
"created": "Tue, 15 Mar 2011 20:16:16 GMT",
"version": "v1"
},
{
"created": "Tue, 19 Nov 2013 22:08:40 GMT",
"version": "v2"
}
] | 2013-12-10 | [
[
"Amirabi",
"Z.",
""
],
[
"Halilsoy",
"M.",
""
],
[
"Mazharimousavi",
"S. Habib",
""
]
] | We study the stability of thin-shell wormholes in Einstein-Maxwell-Gauss-Bonnet gravity. The equation of state of the thin shell wormhole is considered first to obey a generalized Chaplygin gas and then we generalize it to an arbitrary state function which covers all known cases studied so far. In particular we study t... |
gr-qc/9610029 | Elisha Atzmon | E. Atzmon | A Comment on The A/4 Black Hole Entropy | 8 pages, Latex, 2 ps-files | null | null | TAUP-2380, IHES/p/96/69 | gr-qc | null | Using a simple analysis based on the measurement procedure for a quantized
area we explain the 1/4 factor in the Bekenstein-Hawking black hole formula A/4
for the entropy.
| [
{
"created": "Tue, 15 Oct 1996 09:47:10 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Atzmon",
"E.",
""
]
] | Using a simple analysis based on the measurement procedure for a quantized area we explain the 1/4 factor in the Bekenstein-Hawking black hole formula A/4 for the entropy. |
gr-qc/9910050 | John Baez | John C. Baez | Spin Foam Perturbation Theory | 16 pages LaTeX, 2 encapsulated Postscript figures | in Diagrammatic Morphisms and Applications, eds. David Radford,
Fernando Souza, and David Yetter, Contemp. Math. 318, 2003, pp. 9-21 | null | null | gr-qc | null | We study perturbation theory for spin foam models on triangulated manifolds.
Starting with any model of this sort, we consider an arbitrary perturbation of
the vertex amplitudes, and write the evolution operators of the perturbed model
as convergent power series in the coupling constant governing the perturbation.
Th... | [
{
"created": "Thu, 14 Oct 1999 01:29:59 GMT",
"version": "v1"
}
] | 2023-03-07 | [
[
"Baez",
"John C.",
""
]
] | We study perturbation theory for spin foam models on triangulated manifolds. Starting with any model of this sort, we consider an arbitrary perturbation of the vertex amplitudes, and write the evolution operators of the perturbed model as convergent power series in the coupling constant governing the perturbation. The ... |
1106.3569 | Paolo Pani | Paolo Pani, Vitor Cardoso, Terence Delsate | Compact stars in Eddington inspired gravity | accepted for publication in Phys. Rev. Lett | Phys.Rev.Lett. 107 (2011) 031101 | 10.1103/PhysRevLett.107.031101 | null | gr-qc astro-ph.HE hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | A new, Eddington inspired theory of gravity was recently proposed by Banados
and Ferreira. It is equivalent to General Relativity in vacuum, but differs
from it inside matter. This viable, one parameter theory was shown to avoid
cosmological singularities and turns out to lead to many other exciting new
features that... | [
{
"created": "Fri, 17 Jun 2011 20:00:20 GMT",
"version": "v1"
}
] | 2015-01-30 | [
[
"Pani",
"Paolo",
""
],
[
"Cardoso",
"Vitor",
""
],
[
"Delsate",
"Terence",
""
]
] | A new, Eddington inspired theory of gravity was recently proposed by Banados and Ferreira. It is equivalent to General Relativity in vacuum, but differs from it inside matter. This viable, one parameter theory was shown to avoid cosmological singularities and turns out to lead to many other exciting new features that w... |
1605.00304 | Marc Favata | Blake Moore, Marc Favata, K. G. Arun, Chandra Kant Mishra | Gravitational-wave phasing for low-eccentricity inspiralling compact
binaries to 3PN order | 49 pages, 4 figures. Submitted to Phys. Rev. D. Supplementary
materials available at
http://link.aps.org/supplemental/10.1103/PhysRevD.93.124061. V2: minor
updates to match published version | Phys. Rev. D 93, 124061 (2016) | 10.1103/PhysRevD.93.124061 | LIGO DCC P1500268 | gr-qc astro-ph.HE | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | [abridged] Although gravitational radiation causes inspiralling compact
binaries to circularize, a variety of astrophysical scenarios suggest that
binaries might have small but nonnegligible orbital eccentricities when they
enter the low-frequency bands of ground and space-based gravitational-wave
detectors. If not a... | [
{
"created": "Sun, 1 May 2016 20:22:23 GMT",
"version": "v1"
},
{
"created": "Wed, 29 Jun 2016 00:28:06 GMT",
"version": "v2"
}
] | 2016-06-30 | [
[
"Moore",
"Blake",
""
],
[
"Favata",
"Marc",
""
],
[
"Arun",
"K. G.",
""
],
[
"Mishra",
"Chandra Kant",
""
]
] | [abridged] Although gravitational radiation causes inspiralling compact binaries to circularize, a variety of astrophysical scenarios suggest that binaries might have small but nonnegligible orbital eccentricities when they enter the low-frequency bands of ground and space-based gravitational-wave detectors. If not acc... |
2106.06209 | Manu Srivastava | Manu Srivastava (IIT Bombay), Yanbei Chen (CalTech), S.
Shankaranarayanan (IIT Bombay) | Analytical computation of quasi-normal modes of slowly-rotating
black-holes in dCS gravity | v2: 19 pages, 2 figures, added a few references, version accepted in
Phys. Rev. D | Phys. Rev. D 104, 064034 (2021) | 10.1103/PhysRevD.104.064034 | null | gr-qc astro-ph.CO astro-ph.HE | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Using gravitational wave observations to search for deviations from general
relativity in the strong-gravity regime has become an important research
direction. Chern Simons (CS) gravity is one of the most frequently studied
parity-violating models of strong gravity. It is known that the Kerr black-hole
is not a solut... | [
{
"created": "Fri, 11 Jun 2021 07:28:26 GMT",
"version": "v1"
},
{
"created": "Mon, 9 Aug 2021 16:33:07 GMT",
"version": "v2"
}
] | 2021-09-22 | [
[
"Srivastava",
"Manu",
"",
"IIT Bombay"
],
[
"Chen",
"Yanbei",
"",
"CalTech"
],
[
"Shankaranarayanan",
"S.",
"",
"IIT Bombay"
]
] | Using gravitational wave observations to search for deviations from general relativity in the strong-gravity regime has become an important research direction. Chern Simons (CS) gravity is one of the most frequently studied parity-violating models of strong gravity. It is known that the Kerr black-hole is not a solutio... |
1707.03625 | David Langlois | David Langlois | Degenerate Higher-Order Scalar-Tensor (DHOST) theories | 9 pages, no figure; proceedings of Rencontres de Moriond 2017
(session gravitation) | null | null | null | gr-qc astro-ph.CO hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | This contribution reviews scalar-tensor theories whose Lagrangian contains
second-order derivatives of a scalar field but nevertheless propagate only one
scalar mode (in addition to the usual two tensor modes), and are thus not
plagued with the Ostrodradsky instability. These theories, which encompass the
so-called H... | [
{
"created": "Wed, 12 Jul 2017 10:05:13 GMT",
"version": "v1"
},
{
"created": "Fri, 2 Mar 2018 09:21:15 GMT",
"version": "v2"
}
] | 2018-03-05 | [
[
"Langlois",
"David",
""
]
] | This contribution reviews scalar-tensor theories whose Lagrangian contains second-order derivatives of a scalar field but nevertheless propagate only one scalar mode (in addition to the usual two tensor modes), and are thus not plagued with the Ostrodradsky instability. These theories, which encompass the so-called Hor... |
1810.11788 | Chao Liu | Chao Liu, Changhua Wei | Future stability of the FLRW spacetime for a large class of perfect
fluids | 47 pages. Agrees with published version | Annales Henri Poincar\'e (2021) | 10.1007/s00023-020-00987-1 | null | gr-qc math.AP | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We establish the future non-linear stability of
Friedmann-Lema\^{\i}tre-Robertson-Walker (FLRW) solutions to the Einstein-Euler
equations of the universe filled with a large class of perfect fluids (the
equations of state are allowed to be certain nonlinear or linear types both).
Several previous results as specific ... | [
{
"created": "Sun, 28 Oct 2018 09:48:07 GMT",
"version": "v1"
},
{
"created": "Mon, 8 Apr 2019 08:12:39 GMT",
"version": "v2"
},
{
"created": "Tue, 2 Feb 2021 04:26:44 GMT",
"version": "v3"
}
] | 2021-02-03 | [
[
"Liu",
"Chao",
""
],
[
"Wei",
"Changhua",
""
]
] | We establish the future non-linear stability of Friedmann-Lema\^{\i}tre-Robertson-Walker (FLRW) solutions to the Einstein-Euler equations of the universe filled with a large class of perfect fluids (the equations of state are allowed to be certain nonlinear or linear types both). Several previous results as specific ex... |
gr-qc/0312043 | Zolt\'an K\'ad\'ar | Z. Kadar (U. Utrecht), R. Loll (Perimeter Inst. and U. Utrecht) | (2+1) gravity for higher genus in the polygon model | 35 pages, 22 figures | Class.Quant.Grav. 21 (2004) 2465-2491 | 10.1088/0264-9381/21/9/020 | SPIN-2003/42, ITP-UU-03/65 | gr-qc hep-th | null | We construct explicitly a (12g-12)-dimensional space P of unconstrained and
independent initial data for 't Hooft's polygon model of (2+1) gravity for
vacuum spacetimes with compact genus-g spacelike slices, for any g >= 2. Our
method relies on interpreting the boost parameters of the gluing data between
flat Minkows... | [
{
"created": "Sun, 7 Dec 2003 22:07:25 GMT",
"version": "v1"
},
{
"created": "Mon, 10 May 2004 14:53:29 GMT",
"version": "v2"
}
] | 2009-11-10 | [
[
"Kadar",
"Z.",
"",
"U. Utrecht"
],
[
"Loll",
"R.",
"",
"Perimeter Inst. and U. Utrecht"
]
] | We construct explicitly a (12g-12)-dimensional space P of unconstrained and independent initial data for 't Hooft's polygon model of (2+1) gravity for vacuum spacetimes with compact genus-g spacelike slices, for any g >= 2. Our method relies on interpreting the boost parameters of the gluing data between flat Minkowski... |
gr-qc/0005055 | Yavuz Nutku | A. N. Aliev, Y. Nutku and K. Sayg{\i}l{\i} | Topologically massive magnetic monopoles | null | Class.Quant.Grav. 17 (2000) 4111-4124 | 10.1088/0264-9381/17/19/310 | null | gr-qc | null | We show that in the Maxwell-Chern-Simons theory of topologically massive
electrodynamics the Dirac string of a monopole becomes a cone in anti-de Sitter
space with the opening angle of the cone determined by the topological mass
which in turn is related to the square root of the cosmological constant. This
proves to ... | [
{
"created": "Mon, 15 May 2000 17:01:22 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Aliev",
"A. N.",
""
],
[
"Nutku",
"Y.",
""
],
[
"Saygılı",
"K.",
""
]
] | We show that in the Maxwell-Chern-Simons theory of topologically massive electrodynamics the Dirac string of a monopole becomes a cone in anti-de Sitter space with the opening angle of the cone determined by the topological mass which in turn is related to the square root of the cosmological constant. This proves to be... |
0807.2625 | Yakov Itin | Y. Itin and Y. Friedman (Jerusalem College of Technology and Institute
of Mathematics, The Hebrew University of Jerusalem) | Backwards on Minkowski's road. From 4D to 3D Maxwellian electromagnetism | to appear in the special (Sept/Oct 2008) issue of Annalen der Physik
(Berlin) commemorating H. Minkowski's 1908 lecture in Cologne | Annalen der Physik 17, 769-786, 2008 | 10.1002/andp.200810317 | null | gr-qc cond-mat.mtrl-sci physics.class-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Minkowski's concept of a four-dimensional physical space is a central
paradigm of modern physics. The three-dimensional Maxwellian electrodynamics is
uniquely generalized to the covariant four-dimensional form. Is the (1+3)
decomposition of the covariant four-dimensional form unique? How do the
different sign assumpt... | [
{
"created": "Wed, 16 Jul 2008 18:22:32 GMT",
"version": "v1"
}
] | 2013-03-08 | [
[
"Itin",
"Y.",
"",
"Jerusalem College of Technology and Institute\n of Mathematics, The Hebrew University of Jerusalem"
],
[
"Friedman",
"Y.",
"",
"Jerusalem College of Technology and Institute\n of Mathematics, The Hebrew University of Jerusalem"
]
] | Minkowski's concept of a four-dimensional physical space is a central paradigm of modern physics. The three-dimensional Maxwellian electrodynamics is uniquely generalized to the covariant four-dimensional form. Is the (1+3) decomposition of the covariant four-dimensional form unique? How do the different sign assumptio... |
0905.2226 | Yi Xie | Xue-Mei Deng, Yi Xie, Tian-Yi Huang | Reply to "the Comment on 'Modified Scalar-Tensor-Vector Gravity Theory
and the Constraint on its Parameters' " | 4 pages, no figure | null | null | null | gr-qc | http://creativecommons.org/licenses/by-nc-sa/3.0/ | J. W. Moffat and V. T. Toth submitted recently a comment (arXiv:0903.5291) on
our latest paper "Modified scalar-tensor-vector gravity theory and the
constraint on its parameters" [Deng, et al., Phys. Rev. D 79, 044014 (2009);
arXiv:0901.3730 ]. We reply to each of their comments and justify our work and
conclusions. ... | [
{
"created": "Thu, 14 May 2009 00:48:18 GMT",
"version": "v1"
}
] | 2009-05-15 | [
[
"Deng",
"Xue-Mei",
""
],
[
"Xie",
"Yi",
""
],
[
"Huang",
"Tian-Yi",
""
]
] | J. W. Moffat and V. T. Toth submitted recently a comment (arXiv:0903.5291) on our latest paper "Modified scalar-tensor-vector gravity theory and the constraint on its parameters" [Deng, et al., Phys. Rev. D 79, 044014 (2009); arXiv:0901.3730 ]. We reply to each of their comments and justify our work and conclusions. Es... |
gr-qc/0403121 | Hrvoje Nikolic | H. Nikolic | Causal paradoxes: a conflict between relativity and the arrow of time | 7 pages, revised, new references, to appear in Found. Phys. Lett | Found.Phys.Lett.19:259-267,2006 | 10.1007/s10702-006-0516-5 | null | gr-qc physics.class-ph | null | It is often argued that superluminal velocities and nontrivial spacetime
topologies, allowed by the theory of relativity, may lead to causal paradoxes.
By emphasizing that the notion of causality assumes the existence of a time
arrow (TA) that points from the past to the future, the apparent paradoxes
appear to be an... | [
{
"created": "Wed, 31 Mar 2004 15:54:26 GMT",
"version": "v1"
},
{
"created": "Tue, 13 Dec 2005 14:51:48 GMT",
"version": "v2"
}
] | 2014-11-17 | [
[
"Nikolic",
"H.",
""
]
] | It is often argued that superluminal velocities and nontrivial spacetime topologies, allowed by the theory of relativity, may lead to causal paradoxes. By emphasizing that the notion of causality assumes the existence of a time arrow (TA) that points from the past to the future, the apparent paradoxes appear to be an a... |
gr-qc/0307060 | Shahar Hod | Shahar Hod | Asymptotic quasinormal mode spectrum of rotating black holes | 4 pages | null | null | null | gr-qc astro-ph cond-mat hep-th quant-ph | null | Motivated by novel results in the theory of black-hole quantization, we study
{\it analytically} the quasinormal modes (QNM) of ({\it rotating}) Kerr black
holes. The black-hole oscillation frequencies tend to the asymptotic value
$\omega_n=m\Omega+i2\pi T_{BH}n$ in the $n \to \infty$ limit. This simple
formula is in... | [
{
"created": "Mon, 14 Jul 2003 15:47:37 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Hod",
"Shahar",
""
]
] | Motivated by novel results in the theory of black-hole quantization, we study {\it analytically} the quasinormal modes (QNM) of ({\it rotating}) Kerr black holes. The black-hole oscillation frequencies tend to the asymptotic value $\omega_n=m\Omega+i2\pi T_{BH}n$ in the $n \to \infty$ limit. This simple formula is in a... |
1702.04926 | Rituparno Goswami | Dan B. Sibandze, Rituparno Goswami, Sunil D. Maharaj, Peter K. S.
Dunsby | Echoes from the black holes: Evidence of higher order corrections to
General Relativity in strong gravity regime | 4 pages, 1 figure, Revtex 4 | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We show that the higher order curvature corrections to general relativity in
the strong gravity regime of near horizon scales produce a rapidly oscillating
and infalling Ricci scalar fireball just outside the horizon. This can generate
the ringdown modes of gravitational waves having the same natural frequency as
tho... | [
{
"created": "Thu, 16 Feb 2017 11:24:18 GMT",
"version": "v1"
}
] | 2017-02-17 | [
[
"Sibandze",
"Dan B.",
""
],
[
"Goswami",
"Rituparno",
""
],
[
"Maharaj",
"Sunil D.",
""
],
[
"Dunsby",
"Peter K. S.",
""
]
] | We show that the higher order curvature corrections to general relativity in the strong gravity regime of near horizon scales produce a rapidly oscillating and infalling Ricci scalar fireball just outside the horizon. This can generate the ringdown modes of gravitational waves having the same natural frequency as those... |
0704.0749 | T. Damour | Thibault Damour | Binary Systems as Test-beds of Gravity Theories | 42 pages, 3 figures, Based on lectures given at the SIGRAV School ``A
Century from Einstein Relativity: Probing Gravity Theories in Binary
Systems'', Villa Olmo (Como Lake, Italy), 17-21 May 2005. To appear in the
Proceedings, edited by M. Colpi et al. (to be published by Springer) | null | null | null | gr-qc | null | We review the general relativistic theory of the motion, and of the timing,
of binary systems containing compact objects (neutron stars or black holes).
Then we indicate the various ways one can use binary pulsar data to test the
strong-field and/or radiative aspects of General Relativity, and of general
classes of a... | [
{
"created": "Thu, 5 Apr 2007 15:52:46 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Damour",
"Thibault",
""
]
] | We review the general relativistic theory of the motion, and of the timing, of binary systems containing compact objects (neutron stars or black holes). Then we indicate the various ways one can use binary pulsar data to test the strong-field and/or radiative aspects of General Relativity, and of general classes of alt... |
gr-qc/0201052 | Gaurav Khanna | Gaurav Khanna | Evolution of Kerr-Schild type initial data for binary black holes using
the horizon penetrating Teukolsky equation | 6 pages, 3 figures; minor error fixed, no changes in conclusions | Phys.Rev. D65 (2002) 124018 | 10.1103/PhysRevD.65.124018 | null | gr-qc | null | We use the Kerr-Schild type Teukolsky equation (horizon penetrating) to
evolve binary black hole initial data as proposed by Bishop {\em et al.} in the
close limit. Our results are in agreement with those recently obtained by
Sarbach {\em et al.} from the Zerilli equation evolution of the same initial
data.
| [
{
"created": "Wed, 16 Jan 2002 02:28:19 GMT",
"version": "v1"
},
{
"created": "Mon, 21 Jan 2002 19:24:32 GMT",
"version": "v2"
}
] | 2009-11-07 | [
[
"Khanna",
"Gaurav",
""
]
] | We use the Kerr-Schild type Teukolsky equation (horizon penetrating) to evolve binary black hole initial data as proposed by Bishop {\em et al.} in the close limit. Our results are in agreement with those recently obtained by Sarbach {\em et al.} from the Zerilli equation evolution of the same initial data. |
2406.16324 | Rajes Ghosh | Rajes Ghosh | Theoretical and Observational Constraints on Theories Beyond General
Relativity | Ph.D. thesis (168 pages, detailed abstract in the thesis),
Supervisor: Dr. Sudipta Sarkar, Submitted at Indian Institute of Technology
Gandhinagar, Largely based on: arXiv:2009.01543[gr-qc],
arXiv:2107.07424[hep-th], arXiv:2107.07370[gr-qc], arXiv:2108.02444[gr-qc],
arXiv:2112.10109[gr-qc], arXiv:2201.08700[gr-... | null | null | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | This thesis embarks on a comprehensive investigation of modified gravity
theories and their implications on the properties of compact objects. Our
primary objective is to shed light on the fundamental nature of gravity by
exploring potential departures from General Relativity (GR) through a
combination of theoretical... | [
{
"created": "Mon, 24 Jun 2024 05:24:57 GMT",
"version": "v1"
}
] | 2024-06-25 | [
[
"Ghosh",
"Rajes",
""
]
] | This thesis embarks on a comprehensive investigation of modified gravity theories and their implications on the properties of compact objects. Our primary objective is to shed light on the fundamental nature of gravity by exploring potential departures from General Relativity (GR) through a combination of theoretical a... |
gr-qc/0302035 | Edward Anderson | E. Anderson | Variations on the Seventh Route to Relativity | Revtex version; Journal-ref added | Phys.Rev.D68:104001,2003 | 10.1103/PhysRevD.68.104001 | null | gr-qc | null | As motivated in the full abstract, this paper further investigates Barbour,
Foster and O Murchadha (BFO)'s 3-space formulation of GR. This is based on
best-matched lapse-eliminated actions and gives rise to several theories
including GR and a conformal gravity theory. We study the simplicity postulates
assumed in BFO... | [
{
"created": "Mon, 10 Feb 2003 18:30:57 GMT",
"version": "v1"
},
{
"created": "Mon, 3 Nov 2003 21:17:38 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Anderson",
"E.",
""
]
] | As motivated in the full abstract, this paper further investigates Barbour, Foster and O Murchadha (BFO)'s 3-space formulation of GR. This is based on best-matched lapse-eliminated actions and gives rise to several theories including GR and a conformal gravity theory. We study the simplicity postulates assumed in BFO's... |
2107.09276 | Remo Garattini | Remo Garattini | Yukawa-Casimir Wormholes | Revtex4 19 pages | null | 10.1140/epjc/s10052-021-09634-3 | null | gr-qc hep-th | http://creativecommons.org/licenses/by/4.0/ | In this work, we consider a Yukawa modification of the Casimir wormhole. With
the help of an Equation of State, we impose Zero Tidal Forces. We will examine
two different approaches: in a first approach, we will fix the form of the
shape function of the Casimir wormholes modified by a Yukawa term in three
different w... | [
{
"created": "Tue, 20 Jul 2021 06:39:15 GMT",
"version": "v1"
}
] | 2021-10-04 | [
[
"Garattini",
"Remo",
""
]
] | In this work, we consider a Yukawa modification of the Casimir wormhole. With the help of an Equation of State, we impose Zero Tidal Forces. We will examine two different approaches: in a first approach, we will fix the form of the shape function of the Casimir wormholes modified by a Yukawa term in three different way... |
1911.09790 | Oldrich Semerak | L. Polcar, O. Semer\'ak | Free motion around black holes with discs or rings: between
integrability and chaos -- VI. The Melnikov method | 32 pages (PRD preprint style), 7 figures | Phys. Rev. D 100 (2019) 103013 | 10.1103/PhysRevD.100.103013 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Motivated by black holes surrounded by accretion structures, we consider in
this series static and axially symmetric black holes "perturbed"
gravitationally as being encircled by a thin disc or a ring. In previous
papers, we employed several different methods to detect, classify and evaluate
chaos which can occur, du... | [
{
"created": "Fri, 22 Nov 2019 00:09:44 GMT",
"version": "v1"
}
] | 2019-11-25 | [
[
"Polcar",
"L.",
""
],
[
"Semerák",
"O.",
""
]
] | Motivated by black holes surrounded by accretion structures, we consider in this series static and axially symmetric black holes "perturbed" gravitationally as being encircled by a thin disc or a ring. In previous papers, we employed several different methods to detect, classify and evaluate chaos which can occur, due ... |
gr-qc/0207025 | Bijan Saha | Bijan Saha (LIT, Jinr) | Nonlinear Spinor Field in Anisotropic Universes | RevTex, 12 pages; Talk, given at the International Conference
``Scientific Reading devoted to 90 years anniversary of Professor Yakov
Petrovich Terletski''July 1-3, 2002, Russian Peoples' Friendship University,
Moscow, Russia | null | null | null | gr-qc | null | Evolution of an anisotropic universe described by a Bianchi type I (BI) model
in presence of nonlinear spinor field has been studied by us recently in a
series of papers. On offer the Bianchi models, those are both inhomogeneous and
anisotropic. Within the scope of Bianchi type VI (BVI) model the
self-consistent syst... | [
{
"created": "Thu, 4 Jul 2002 09:15:13 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Saha",
"Bijan",
"",
"LIT, Jinr"
]
] | Evolution of an anisotropic universe described by a Bianchi type I (BI) model in presence of nonlinear spinor field has been studied by us recently in a series of papers. On offer the Bianchi models, those are both inhomogeneous and anisotropic. Within the scope of Bianchi type VI (BVI) model the self-consistent system... |
2110.10670 | Dongxue Qu | Muxin Han, Zichang Huang, Hongguang Liu, Dongxue Qu | Complex critical points and curved geometries in four-dimensional
Lorentzian spinfoam quantum gravity | 5 pages, 12 pages appendix, 4 figures, ILQGS talk:
https://tigers.phys.lsu.edu/relativity/ilqgs/qu100521.mp4 | Phys. Rev. D 106, 044005 (2022) | 10.1103/PhysRevD.106.044005 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | This paper focuses on the semiclassical behavior of the spinfoam quantum
gravity in 4 dimensions. There has been long-standing confusion, known as the
flatness problem, about whether the curved geometry exists in the semiclassical
regime of the spinfoam amplitude. The confusion is resolved by the present
work. By num... | [
{
"created": "Wed, 20 Oct 2021 17:23:28 GMT",
"version": "v1"
}
] | 2022-08-12 | [
[
"Han",
"Muxin",
""
],
[
"Huang",
"Zichang",
""
],
[
"Liu",
"Hongguang",
""
],
[
"Qu",
"Dongxue",
""
]
] | This paper focuses on the semiclassical behavior of the spinfoam quantum gravity in 4 dimensions. There has been long-standing confusion, known as the flatness problem, about whether the curved geometry exists in the semiclassical regime of the spinfoam amplitude. The confusion is resolved by the present work. By numer... |
1811.12201 | Fay\c{c}al Hammad | Fay\c{c}al Hammad, \'Etienne Mass\'e, Patrick Labelle | Black hole mechanics and thermodynamics in the light of Weyl
transformations | 12 pages | Phys. Rev. D 98, 104049 (2018) | 10.1103/PhysRevD.98.104049 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The fate of black hole thermodynamics under Weyl transformations is
investigated by going back to the laws of black hole mechanics. It is shown
that the transformed surface gravity, that one would identify with the black
hole temperature in the conformal frame, as well as the black hole entropy,
that one would identi... | [
{
"created": "Wed, 28 Nov 2018 02:57:43 GMT",
"version": "v1"
}
] | 2018-11-30 | [
[
"Hammad",
"Fayçal",
""
],
[
"Massé",
"Étienne",
""
],
[
"Labelle",
"Patrick",
""
]
] | The fate of black hole thermodynamics under Weyl transformations is investigated by going back to the laws of black hole mechanics. It is shown that the transformed surface gravity, that one would identify with the black hole temperature in the conformal frame, as well as the black hole entropy, that one would identify... |
2302.03259 | Joshua Foo | Joshua Foo, Robert B. Mann, Magdalena Zych | Relativity and decoherence of spacetime superpositions | 14 pages, 3 figures | null | null | null | gr-qc hep-th quant-ph | http://creativecommons.org/licenses/by/4.0/ | It is univocally anticipated that in a theory of quantum gravity, there exist
quantum superpositions of semiclassical states of spacetime geometry. Such
states could arise for example, from a source mass in a superposition of
spatial configurations. In this paper we introduce a framework for describing
such ''quantum... | [
{
"created": "Tue, 7 Feb 2023 05:10:52 GMT",
"version": "v1"
}
] | 2023-02-08 | [
[
"Foo",
"Joshua",
""
],
[
"Mann",
"Robert B.",
""
],
[
"Zych",
"Magdalena",
""
]
] | It is univocally anticipated that in a theory of quantum gravity, there exist quantum superpositions of semiclassical states of spacetime geometry. Such states could arise for example, from a source mass in a superposition of spatial configurations. In this paper we introduce a framework for describing such ''quantum s... |
gr-qc/0703132 | Enrico Barausse | Enrico Barausse, Thomas P. Sotiriou, John C. Miller | A no-go theorem for polytropic spheres in Palatini f(R) gravity | 7 pages, 1 figure. Version accepted for publication as a Fast Track
Communication in CQG | Class.Quant.Grav.25:062001,2008 | 10.1088/0264-9381/25/6/062001 | null | gr-qc astro-ph hep-th | null | Non-vacuum static spherically-symmetric solutions in Palatini f(R) gravity
are examined. It is shown that for generic choices of f(R), there are
commonly-used equations of state for which no satisfactory physical solution of
the field equations can be found within this framework, apart from in the
special case of Gen... | [
{
"created": "Tue, 27 Mar 2007 14:19:56 GMT",
"version": "v1"
},
{
"created": "Thu, 31 Jan 2008 11:38:12 GMT",
"version": "v2"
}
] | 2008-09-29 | [
[
"Barausse",
"Enrico",
""
],
[
"Sotiriou",
"Thomas P.",
""
],
[
"Miller",
"John C.",
""
]
] | Non-vacuum static spherically-symmetric solutions in Palatini f(R) gravity are examined. It is shown that for generic choices of f(R), there are commonly-used equations of state for which no satisfactory physical solution of the field equations can be found within this framework, apart from in the special case of Gener... |
1111.5610 | Enrico Barausse | Enrico Barausse, Alessandra Buonanno and Alexandre Le Tiec | The complete non-spinning effective-one-body metric at linear order in
the mass ratio | 11 pages, 2 figures; appendix generalized to include the logarithmic
contributions in the post-Newtonian Hamiltonian. Results unchanged. Matches
version to be published in Phys. Rev. D | Phys. Rev. D 85, 064010 (2012) | 10.1103/PhysRevD.85.064010 | null | gr-qc astro-ph.CO astro-ph.GA | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Using the main result of a companion paper, in which the binding energy of a
circular-orbit non-spinning compact binary system is computed at leading-order
beyond the test-particle approximation, the exact expression of the
effective-one-body (EOB) metric component g^eff_tt is obtained through first
order in the mass... | [
{
"created": "Wed, 23 Nov 2011 20:58:32 GMT",
"version": "v1"
},
{
"created": "Wed, 29 Feb 2012 21:58:04 GMT",
"version": "v2"
}
] | 2012-03-08 | [
[
"Barausse",
"Enrico",
""
],
[
"Buonanno",
"Alessandra",
""
],
[
"Tiec",
"Alexandre Le",
""
]
] | Using the main result of a companion paper, in which the binding energy of a circular-orbit non-spinning compact binary system is computed at leading-order beyond the test-particle approximation, the exact expression of the effective-one-body (EOB) metric component g^eff_tt is obtained through first order in the mass r... |
1702.07607 | Vladimir Popov | Alexander Balakin and Vladimir Popov | Einstein-aether theory: Dynamics of relativistic particles with spin or
polarization in a G\"odel-type universe | 15 pages | JCAP04(2017)025 | 10.1088/1475-7516/2017/04/025 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In the framework of the Einstein-aether theory we consider a cosmological
model, which describes the evolution of the unit dynamic vector field with
activated rotational degree of freedom. We discuss exact solutions of the
Einstein-aether theory, for which the space-time is of the G\"odel-type, the
velocity four-vect... | [
{
"created": "Fri, 24 Feb 2017 14:40:37 GMT",
"version": "v1"
}
] | 2017-04-25 | [
[
"Balakin",
"Alexander",
""
],
[
"Popov",
"Vladimir",
""
]
] | In the framework of the Einstein-aether theory we consider a cosmological model, which describes the evolution of the unit dynamic vector field with activated rotational degree of freedom. We discuss exact solutions of the Einstein-aether theory, for which the space-time is of the G\"odel-type, the velocity four-vector... |
gr-qc/0405088 | David Maxwell | David Maxwell | Rough Solutions of the Einstein Constraint Equations | 30 pages | null | null | null | gr-qc math.AP math.DG | null | We construct low regularity solutions of the vacuum Einstein constraint
equations. In particular, on 3-manifolds we obtain solutions with metrics in
$H^s\loc$ with $s>{3\over 2}$. The theory of maximal asymptotically Euclidean
solutions of the constraint equations descends completely the low regularity
setting. Moreo... | [
{
"created": "Mon, 17 May 2004 16:51:09 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Maxwell",
"David",
""
]
] | We construct low regularity solutions of the vacuum Einstein constraint equations. In particular, on 3-manifolds we obtain solutions with metrics in $H^s\loc$ with $s>{3\over 2}$. The theory of maximal asymptotically Euclidean solutions of the constraint equations descends completely the low regularity setting. Moreove... |
1804.09685 | Simone Speziale | Elena De Paoli and Simone Speziale | A gauge-invariant symplectic potential for tetrad general relativity | 19 pages. V2: some amendments to the text, typos corrected, updated
references and more details in Section 5. Matches published version | null | 10.1007/JHEP07(2018)040 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We identify a symplectic potential for general relativity in tetrad and
connection variables that is fully gauge-invariant, using the freedom to add
surface terms. When torsion vanishes, it does not lead to surface charges
associated with the internal Lorentz transformations, and reduces exactly to
the symplectic pot... | [
{
"created": "Wed, 25 Apr 2018 17:26:22 GMT",
"version": "v1"
},
{
"created": "Mon, 2 Jul 2018 13:04:25 GMT",
"version": "v2"
}
] | 2018-08-01 | [
[
"De Paoli",
"Elena",
""
],
[
"Speziale",
"Simone",
""
]
] | We identify a symplectic potential for general relativity in tetrad and connection variables that is fully gauge-invariant, using the freedom to add surface terms. When torsion vanishes, it does not lead to surface charges associated with the internal Lorentz transformations, and reduces exactly to the symplectic poten... |
gr-qc/0312021 | Pieter-Jan De Smet | Pieter-Jan De Smet | The Petrov type of the five-dimensional Myers-Perry metric | 4 pages, 1 figure | Gen.Rel.Grav. 36 (2004) 1501-1504 | 10.1023/B:GERG.0000022586.06313.fc | YITP-SB-03-63 | gr-qc hep-th | null | We point out that the Myers-Perry metric in five dimensions is algebraically
special. It has Petrov type \underline{22}, which is the Petrov type of the
five-dimensional Schwarzschild metric.
| [
{
"created": "Wed, 3 Dec 2003 15:33:25 GMT",
"version": "v1"
}
] | 2009-11-10 | [
[
"De Smet",
"Pieter-Jan",
""
]
] | We point out that the Myers-Perry metric in five dimensions is algebraically special. It has Petrov type \underline{22}, which is the Petrov type of the five-dimensional Schwarzschild metric. |
2012.13594 | Jia-Hui Huang | Jun-Huai Xu, Zi-Han Zheng, Ming-Jian Luo, and Jia-Hui Huang | Analytic study of superradiant stability of Kerr-Newman black holes
under charged massive scalar perturbation | 7 pages, references added | null | 10.1140/epjc/s10052-021-09180-y | null | gr-qc | http://creativecommons.org/licenses/by/4.0/ | The superradiant stability of a Kerr-Newman black hole and charged massive
scalar perturbation is investigated. We treat the black hole as a background
geometry and study the equation of motion of the scalar perturbation. From the
radial equation of motion, we derive the effective potential experienced by the
scalar ... | [
{
"created": "Fri, 25 Dec 2020 15:29:11 GMT",
"version": "v1"
},
{
"created": "Wed, 6 Jan 2021 02:27:15 GMT",
"version": "v2"
}
] | 2021-05-26 | [
[
"Xu",
"Jun-Huai",
""
],
[
"Zheng",
"Zi-Han",
""
],
[
"Luo",
"Ming-Jian",
""
],
[
"Huang",
"Jia-Hui",
""
]
] | The superradiant stability of a Kerr-Newman black hole and charged massive scalar perturbation is investigated. We treat the black hole as a background geometry and study the equation of motion of the scalar perturbation. From the radial equation of motion, we derive the effective potential experienced by the scalar pe... |
2206.12339 | George Macaulay Mr | Mahdi Godazgar, George Macaulay, Ali Seraj | Gravitational memory effects and higher derivative actions | 15 pages | null | 10.1007/JHEP09(2022)150 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We show that charges associated with the internal Lorentz symmetries of
general relativity, with higher derivative boundary terms included in the
action, capture observable gravitational wave effects. In particular, the
Gauss-Bonnet charge measures the precession rate of a freely-falling gyroscope,
while the Pontryag... | [
{
"created": "Fri, 24 Jun 2022 15:21:26 GMT",
"version": "v1"
},
{
"created": "Wed, 21 Sep 2022 08:37:49 GMT",
"version": "v2"
},
{
"created": "Tue, 25 Apr 2023 11:43:51 GMT",
"version": "v3"
}
] | 2023-04-26 | [
[
"Godazgar",
"Mahdi",
""
],
[
"Macaulay",
"George",
""
],
[
"Seraj",
"Ali",
""
]
] | We show that charges associated with the internal Lorentz symmetries of general relativity, with higher derivative boundary terms included in the action, capture observable gravitational wave effects. In particular, the Gauss-Bonnet charge measures the precession rate of a freely-falling gyroscope, while the Pontryagin... |
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