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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1006.3926 | Xiang-Song Chen | Xiang-Song Chen and Ben-Chao Zhu | Physical decomposition of the gauge and gravitational fields | 11 pages, no figure; significant revision, with discussion on
relations of various metric decompositions | Phys.Rev.D83:084006,2011 | 10.1103/PhysRevD.83.084006 | null | gr-qc hep-th math-ph math.MP | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Physical decomposition of the non-Abelian gauge field has recently solved the
two-decade-lasting problem of a meaningful gluon spin. Here we extend this
approach to gravity and attack the century-lasting problem of a meaningful
gravitational energy. The metric is unambiguously separated into a pure
geometric term whi... | [
{
"created": "Sun, 20 Jun 2010 11:17:07 GMT",
"version": "v1"
},
{
"created": "Tue, 22 Jun 2010 08:03:27 GMT",
"version": "v2"
},
{
"created": "Wed, 19 Jan 2011 12:30:33 GMT",
"version": "v3"
}
] | 2011-04-22 | [
[
"Chen",
"Xiang-Song",
""
],
[
"Zhu",
"Ben-Chao",
""
]
] | Physical decomposition of the non-Abelian gauge field has recently solved the two-decade-lasting problem of a meaningful gluon spin. Here we extend this approach to gravity and attack the century-lasting problem of a meaningful gravitational energy. The metric is unambiguously separated into a pure geometric term which... |
gr-qc/0302116 | Graham Shore | G.M. Shore | Causality and Superluminal Light | 22 pages, 5 figures; prepared for the proceedings of the conference
`Time and Matter', Venice, August 2002 | null | null | SWAT/03-372 | gr-qc hep-th | null | The causal properties of curved spacetime, which underpin our sense of time
in gravitational theories, are defined by the null cones of the spacetime
metric. In classical general relativity, it is assumed that these coincide with
the light cones determined by the physical propagation of light rays. However,
the quant... | [
{
"created": "Thu, 27 Feb 2003 19:29:04 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Shore",
"G. M.",
""
]
] | The causal properties of curved spacetime, which underpin our sense of time in gravitational theories, are defined by the null cones of the spacetime metric. In classical general relativity, it is assumed that these coincide with the light cones determined by the physical propagation of light rays. However, the quantum... |
0812.3310 | Joan Josep Ferrando | Joan Josep Ferrando, Juan Antonio S\'aez | An intrinsic characterization of the Kerr metric | 15 pages; v2: necessary conditions added to theorems 1 and 2, other
minor changes | Class.Quant.Grav.26:075013,2009 | 10.1088/0264-9381/26/7/075013 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We give the necessary and sufficient (local) conditions for a metric tensor
to be the Kerr solution. These conditions exclusively involve explicit
concomitants of the Riemann tensor.
| [
{
"created": "Wed, 17 Dec 2008 15:00:04 GMT",
"version": "v1"
},
{
"created": "Fri, 20 Feb 2009 14:03:01 GMT",
"version": "v2"
}
] | 2009-03-24 | [
[
"Ferrando",
"Joan Josep",
""
],
[
"Sáez",
"Juan Antonio",
""
]
] | We give the necessary and sufficient (local) conditions for a metric tensor to be the Kerr solution. These conditions exclusively involve explicit concomitants of the Riemann tensor. |
1101.2809 | Xiang-Song Chen | Xiang-Song Chen and Ben-Chao Zhu | Tensor gauge condition and tensor field decomposition | significant revision with extended discussion | null | null | null | gr-qc hep-th math-ph math.MP | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We discuss various proposals of separating a tensor field into pure-gauge and
gauge-invariant components. Such tensor field decomposition is intimately
related to the effort of identifying the real gravitational degrees of freedom
out of the metric tensor in Einstein's general relativity. We show that, as for
a vecto... | [
{
"created": "Fri, 14 Jan 2011 13:57:01 GMT",
"version": "v1"
},
{
"created": "Wed, 19 Jan 2011 12:47:01 GMT",
"version": "v2"
},
{
"created": "Thu, 17 Mar 2011 02:19:08 GMT",
"version": "v3"
},
{
"created": "Mon, 16 May 2011 14:02:52 GMT",
"version": "v4"
},
{
"c... | 2011-11-30 | [
[
"Chen",
"Xiang-Song",
""
],
[
"Zhu",
"Ben-Chao",
""
]
] | We discuss various proposals of separating a tensor field into pure-gauge and gauge-invariant components. Such tensor field decomposition is intimately related to the effort of identifying the real gravitational degrees of freedom out of the metric tensor in Einstein's general relativity. We show that, as for a vector ... |
1806.01625 | Tim Dietrich | Tim Dietrich, David Radice, Sebastiano Bernuzzi, Francesco Zappa,
Albino Perego, Bernd Brueugmann, Swami Vivekanandji Chaurasia, Reetika Dudi,
Wolfgang Tichy, Maximiliano Ujevic | CoRe database of binary neutron star merger waveforms and its
application in waveform development | Waveform database is online available at
http://www.computational-relativity.org/ | null | null | null | gr-qc astro-ph.HE | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present the Computational Relativity CoRe collaboration's public database
of gravitational waveforms from binary neutron star mergers. The database
currently contains 367 waveforms from numerical simulations that are consistent
with general relativity and that employ constraint satisfying initial data in
hydrodyna... | [
{
"created": "Tue, 5 Jun 2018 12:14:30 GMT",
"version": "v1"
}
] | 2018-06-06 | [
[
"Dietrich",
"Tim",
""
],
[
"Radice",
"David",
""
],
[
"Bernuzzi",
"Sebastiano",
""
],
[
"Zappa",
"Francesco",
""
],
[
"Perego",
"Albino",
""
],
[
"Brueugmann",
"Bernd",
""
],
[
"Chaurasia",
"Swami Vivekanandji"... | We present the Computational Relativity CoRe collaboration's public database of gravitational waveforms from binary neutron star mergers. The database currently contains 367 waveforms from numerical simulations that are consistent with general relativity and that employ constraint satisfying initial data in hydrodynami... |
2204.12949 | Jo\~ao Lu\'is Rosa | Jo\~ao Lu\'is Rosa, Diego Rubiera-Garcia | Shadows of boson and Proca stars with thin accretion disks | 15 pages, 7 figures | Phys. Rev. D 106, 084004 (2022) | 10.1103/PhysRevD.106.084004 | null | gr-qc astro-ph.HE | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this work, we obtain the shadow images of spherically symmetric scalar
boson and Proca stars using analytical fittings of numerical solutions, when
illuminated by a geometrically thin accretion disk. We chose a sample of four
boson and four Proca stars with radii ranging from more compact configurations
with $R\si... | [
{
"created": "Wed, 27 Apr 2022 13:59:07 GMT",
"version": "v1"
},
{
"created": "Mon, 10 Oct 2022 15:57:40 GMT",
"version": "v2"
}
] | 2022-10-11 | [
[
"Rosa",
"João Luís",
""
],
[
"Rubiera-Garcia",
"Diego",
""
]
] | In this work, we obtain the shadow images of spherically symmetric scalar boson and Proca stars using analytical fittings of numerical solutions, when illuminated by a geometrically thin accretion disk. We chose a sample of four boson and four Proca stars with radii ranging from more compact configurations with $R\sim ... |
1312.0725 | Yi Xie | Xue-Mei Deng and Yi Xie | Spacecraft Doppler tracking with possible violations of LLI and LPI: a
theoretical modeling | 10 pages; Accepted for publication in Research in Astronomy and
Astrophysics (RAA) | null | 10.1088/1674-4527/14/3/006 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Currently two-way and three-way spacecraft Doppler tracking techniques are
widely used and playing important roles in control and navigation for deep
space missions. Starting from one-way Doppler model, we extend the models of
two-way and three-way Doppler by making them include possible violations of the
local Loren... | [
{
"created": "Tue, 3 Dec 2013 08:11:31 GMT",
"version": "v1"
}
] | 2014-03-05 | [
[
"Deng",
"Xue-Mei",
""
],
[
"Xie",
"Yi",
""
]
] | Currently two-way and three-way spacecraft Doppler tracking techniques are widely used and playing important roles in control and navigation for deep space missions. Starting from one-way Doppler model, we extend the models of two-way and three-way Doppler by making them include possible violations of the local Lorentz... |
1202.2540 | Diego S\'aez-G\'omez | Salvatore Capozziello and Diego S\'aez-G\'omez | Conformal frames and the validity of Birkhoff's theorem | 4 pages. Contribution to the Proceedings of Spanish Relativity
Meeting ERE2011, Madrid | null | 10.1063/1.4734431 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Birkhoff's theorem is one of the most important statements of Einstein's
general relativity, which generally can not be extended to modified theories of
gravity. Here we study the validity of the theorem in scalar-tensor theories
using a perturbative approach, and compare the results in the so-called
Einstein and Jor... | [
{
"created": "Sun, 12 Feb 2012 16:13:47 GMT",
"version": "v1"
}
] | 2015-06-04 | [
[
"Capozziello",
"Salvatore",
""
],
[
"Sáez-Gómez",
"Diego",
""
]
] | Birkhoff's theorem is one of the most important statements of Einstein's general relativity, which generally can not be extended to modified theories of gravity. Here we study the validity of the theorem in scalar-tensor theories using a perturbative approach, and compare the results in the so-called Einstein and Jorda... |
1705.09232 | Uma Papnoi | Ravi Shankar Kuniyal, Hemwati Nandan, Uma Papnoi, Rashmi Uniyal, K D
Purohit | Strong lensing and Observables around 5D Myers-Perry black hole
spacetime | 11 pages two column, 7 figures,Title, text and figures modified,
Accepted for publication in Modern Physics Letter A | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the motion of massless test particles in a five dimensional (5D)
Myers-Perry black hole spacetime with two spin parameters. The behaviour of the
effective potential in view of different values of black hole parameters is
discussed in the equatorial plane. The frequency shift of photons is calculated
which is... | [
{
"created": "Thu, 25 May 2017 15:35:56 GMT",
"version": "v1"
},
{
"created": "Tue, 12 Jun 2018 07:47:06 GMT",
"version": "v2"
}
] | 2018-06-13 | [
[
"Kuniyal",
"Ravi Shankar",
""
],
[
"Nandan",
"Hemwati",
""
],
[
"Papnoi",
"Uma",
""
],
[
"Uniyal",
"Rashmi",
""
],
[
"Purohit",
"K D",
""
]
] | We study the motion of massless test particles in a five dimensional (5D) Myers-Perry black hole spacetime with two spin parameters. The behaviour of the effective potential in view of different values of black hole parameters is discussed in the equatorial plane. The frequency shift of photons is calculated which is f... |
1109.4838 | Alexey Golovnev | Alexey Golovnev | On cosmic inflation in vector field theories | 10 pages; a few minor typos corrected; published version | Classical and Quantum Gravity, 28 (2011), 245018 | 10.1088/0264-9381/28/24/245018 | null | gr-qc astro-ph.CO hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate the longitudinal ghost issue in Abelian vector inflation. It
turns out that, within the class of Lorentz-invariant vector field theories
with three degrees of freedom and without any extra (scalar) fields, the
possibilities are essentially exhausted by the classical solution due to Larry
Ford with an e... | [
{
"created": "Thu, 22 Sep 2011 15:01:30 GMT",
"version": "v1"
},
{
"created": "Fri, 23 Sep 2011 11:09:42 GMT",
"version": "v2"
},
{
"created": "Wed, 9 Nov 2011 11:08:49 GMT",
"version": "v3"
},
{
"created": "Thu, 24 Nov 2011 15:52:39 GMT",
"version": "v4"
}
] | 2011-12-02 | [
[
"Golovnev",
"Alexey",
""
]
] | We investigate the longitudinal ghost issue in Abelian vector inflation. It turns out that, within the class of Lorentz-invariant vector field theories with three degrees of freedom and without any extra (scalar) fields, the possibilities are essentially exhausted by the classical solution due to Larry Ford with an ext... |
2107.02634 | Riccardo Sturani | Gabriel Luz Almeida, Stefano Foffa, Riccardo Sturani | Gravitational Multipole Renormalization | 20 pages, 1 figure. Typos corrected in v2, which is the version
published in PRD | null | 10.1103/PhysRevD.104.084095 | null | gr-qc hep-th | http://creativecommons.org/licenses/by/4.0/ | We compute the effect of scattering gravitational radiation off the static
background curvature, up to second order in Newton constant, known in
literature as tail and tail-of-tail processes, for generic electric and
magnetic multipoles. Starting from the multipole expansion of composite compact
objects, and as expec... | [
{
"created": "Tue, 6 Jul 2021 14:18:52 GMT",
"version": "v1"
},
{
"created": "Fri, 29 Oct 2021 16:18:16 GMT",
"version": "v2"
}
] | 2021-11-10 | [
[
"Almeida",
"Gabriel Luz",
""
],
[
"Foffa",
"Stefano",
""
],
[
"Sturani",
"Riccardo",
""
]
] | We compute the effect of scattering gravitational radiation off the static background curvature, up to second order in Newton constant, known in literature as tail and tail-of-tail processes, for generic electric and magnetic multipoles. Starting from the multipole expansion of composite compact objects, and as expecte... |
0805.4067 | Yi Xie | Yi Xie, Tian-Yi Huang | Second post-Newtonian approximation of Einstein-aether theory | 29 pages, no figures | Phys. Rev. D 77, 124049 (2008) | 10.1103/PhysRevD.77.124049 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this paper, second post-Newtonian approximation of Einstein-aether theory
is obtained by Chandrasekhar's approach. Five parameterized post-Newtonian
parameters in first post-Newtonian approximation are presented after a time
transformation and they are identical with previous works, in which $\gamma=1$,
$\beta=1$ ... | [
{
"created": "Tue, 27 May 2008 10:25:20 GMT",
"version": "v1"
},
{
"created": "Wed, 2 Jul 2008 08:19:40 GMT",
"version": "v2"
}
] | 2009-02-14 | [
[
"Xie",
"Yi",
""
],
[
"Huang",
"Tian-Yi",
""
]
] | In this paper, second post-Newtonian approximation of Einstein-aether theory is obtained by Chandrasekhar's approach. Five parameterized post-Newtonian parameters in first post-Newtonian approximation are presented after a time transformation and they are identical with previous works, in which $\gamma=1$, $\beta=1$ an... |
gr-qc/0503055 | Kirill Bronnikov | S.T. Abdyrakhmanov, K.A. Bronnikov, B.E. Meierovich | Uniqueness of RS2 type thick branes supported by a scalar field | 5 pages, no figures, gc style. Submitted to Proc. Int. Conf.
Cosmion-2004 | Grav.Cosmol. 11 (2005) 82-86 | null | null | gr-qc | null | We study thick brane world models as Z_2-symmetric domain walls supported by
a scalar field with an arbitrary potential V(\phi) in 5D general relativity.
Under the global regularity requirement, such configurations (i) have always an
AdS asymptotic far from the brane, (ii) are only possible if V(\phi) has an
alternat... | [
{
"created": "Sun, 13 Mar 2005 11:05:45 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Abdyrakhmanov",
"S. T.",
""
],
[
"Bronnikov",
"K. A.",
""
],
[
"Meierovich",
"B. E.",
""
]
] | We study thick brane world models as Z_2-symmetric domain walls supported by a scalar field with an arbitrary potential V(\phi) in 5D general relativity. Under the global regularity requirement, such configurations (i) have always an AdS asymptotic far from the brane, (ii) are only possible if V(\phi) has an alternatin... |
1901.01253 | Peng Xu | Peng Xu, Zhi Wang, Li-E Qiang | Towards Constraining Parity-Violations in Gravity with Satellite
Gradiometry | 15 pages, 6 figures. arXiv admin note: text overlap with
arXiv:1606.08183 | Physics Letters B, 789, 378-386 (2019) | 10.1016/j.physletb.2018.12.049 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Parity violation in gravity, if existed, could have important implications,
and it is meaningful to search and test the possible observational effects.
Chern-Simons modified gravity serves as a natural model for gravitational
parity-violations. Especially, considering extensions to Einstein-Hilbert
action up to secon... | [
{
"created": "Fri, 4 Jan 2019 10:05:24 GMT",
"version": "v1"
}
] | 2019-01-08 | [
[
"Xu",
"Peng",
""
],
[
"Wang",
"Zhi",
""
],
[
"Qiang",
"Li-E",
""
]
] | Parity violation in gravity, if existed, could have important implications, and it is meaningful to search and test the possible observational effects. Chern-Simons modified gravity serves as a natural model for gravitational parity-violations. Especially, considering extensions to Einstein-Hilbert action up to second ... |
1001.0460 | Mayeul Arminjon | Mayeul Arminjon and Frank Reifler | Non-uniqueness of the Dirac theory in a curved spacetime | 13 pages (standard 12pt article format). Text of a talk given at the
1st Mediterranean Conference on Classical and Quantum Gravity, Kolymbari
(Greece), Sept. 14-18, 2009 | J.Phys.Conf.Ser. 222:012042,2010 | 10.1088/1742-6596/222/1/012042 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We summarize a recent work on the subject title. The Dirac equation in a
curved spacetime depends on a field of coefficients (essentially the Dirac
matrices), for which a continuum of different choices are possible. We study
the conditions under which a change of the coefficient fields leads to an
equivalent Hamilton... | [
{
"created": "Mon, 4 Jan 2010 08:54:30 GMT",
"version": "v1"
}
] | 2014-11-20 | [
[
"Arminjon",
"Mayeul",
""
],
[
"Reifler",
"Frank",
""
]
] | We summarize a recent work on the subject title. The Dirac equation in a curved spacetime depends on a field of coefficients (essentially the Dirac matrices), for which a continuum of different choices are possible. We study the conditions under which a change of the coefficient fields leads to an equivalent Hamiltonia... |
2307.00318 | Mariem Magdy Ali Mohamed | Mariem Magdy Ali Mohamed | Calculation of asymptotic charges at the critical sets of null infinity | 16 pages, 2 Figures (A major change in the structure and content
compared to earlier version. The changes are made to agree with the peer
reviewed version.) | null | 10.1098/rsta.2023.0038 | null | gr-qc math-ph math.MP | http://creativecommons.org/licenses/by/4.0/ | The asymptotic structure of null and spatial infinities of asymptotically
flat spacetimes plays an essential role in discussing gravitational radiation,
gravitational memory effect, and conserved quantities in General Relativity.
Bondi, Metzner and Sachs established that the asymptotic symmetry group for
asymptotical... | [
{
"created": "Sat, 1 Jul 2023 12:07:22 GMT",
"version": "v1"
},
{
"created": "Wed, 8 Nov 2023 18:04:13 GMT",
"version": "v2"
}
] | 2024-01-17 | [
[
"Mohamed",
"Mariem Magdy Ali",
""
]
] | The asymptotic structure of null and spatial infinities of asymptotically flat spacetimes plays an essential role in discussing gravitational radiation, gravitational memory effect, and conserved quantities in General Relativity. Bondi, Metzner and Sachs established that the asymptotic symmetry group for asymptotically... |
1811.08176 | Florencia Anabella Teppa Pannia | F.A. Teppa Pannia, S.E. Perez Bergliaffa, and N. Manske | Cosmography and the redshift drift in Palatini $f({\cal R})$ theories | 7 pages, 2 figures | Eur. Phys. J. C (2019) 79: 267 | 10.1140/epjc/s10052-019-6764-x | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present an application to cosmological models in $f({\cal R})$ theories
within the Palatini formalism of a method that combines cosmography and the
explicit form of the field equations in the calculation of the redshift drift.
The method yields a sequence of constraint equations which lead to limits on
the paramet... | [
{
"created": "Tue, 20 Nov 2018 11:02:04 GMT",
"version": "v1"
},
{
"created": "Wed, 27 Mar 2019 13:18:18 GMT",
"version": "v2"
}
] | 2019-03-28 | [
[
"Pannia",
"F. A. Teppa",
""
],
[
"Bergliaffa",
"S. E. Perez",
""
],
[
"Manske",
"N.",
""
]
] | We present an application to cosmological models in $f({\cal R})$ theories within the Palatini formalism of a method that combines cosmography and the explicit form of the field equations in the calculation of the redshift drift. The method yields a sequence of constraint equations which lead to limits on the parameter... |
2205.12045 | Fengge Zhang | Fengge Zhang, Jia-Xi Feng and Xian Gao | Circularly polarized scalar induced gravitational waves from the
Chern-Simons modified gravity | 26 pages, 3 figures, references added, minor corrections | JCAP 10(2022)054 | 10.1088/1475-7516/2022/10/054 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate the scalar induced gravitational waves (SIGWs) in the
Chern-Simons (CS) modified gravity during the radiation dominated era. The
SIGWs are circularly polarized, which provide us a tool to test the possible
parity violation in the early universe. We derive the semianalytic expressions
to evaluate the fr... | [
{
"created": "Tue, 24 May 2022 12:55:55 GMT",
"version": "v1"
},
{
"created": "Tue, 18 Oct 2022 10:13:47 GMT",
"version": "v2"
}
] | 2022-10-19 | [
[
"Zhang",
"Fengge",
""
],
[
"Feng",
"Jia-Xi",
""
],
[
"Gao",
"Xian",
""
]
] | We investigate the scalar induced gravitational waves (SIGWs) in the Chern-Simons (CS) modified gravity during the radiation dominated era. The SIGWs are circularly polarized, which provide us a tool to test the possible parity violation in the early universe. We derive the semianalytic expressions to evaluate the frac... |
1006.2887 | Subenoy Chakraborty | Nairwita Mazumder, Ritabrata Biswas, Subenoy Chakraborty | Interacting Three Fluid System and Thermodynamics of the Universe
Bounded by the Event Horizon | 7 pages | Gen.Rel.Grav.43:1337-1345,2011 | 10.1007/s10714-010-1116-z | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The work deals with the thermodynamics of the universe bounded by the event
horizon. The matter in the universe has three constituents namely dark energy,
dark matter and radiation in nature and interaction between then is assumed.
The variation of entropy of the surface of the horizon is obtained from unified
first ... | [
{
"created": "Tue, 15 Jun 2010 04:38:51 GMT",
"version": "v1"
}
] | 2011-04-22 | [
[
"Mazumder",
"Nairwita",
""
],
[
"Biswas",
"Ritabrata",
""
],
[
"Chakraborty",
"Subenoy",
""
]
] | The work deals with the thermodynamics of the universe bounded by the event horizon. The matter in the universe has three constituents namely dark energy, dark matter and radiation in nature and interaction between then is assumed. The variation of entropy of the surface of the horizon is obtained from unified first la... |
1209.4099 | G\"ul\c{c}in Berkoz Uluyazi | G\"ul\c{c}in Uluyazi | An Investigation of Equivalence between the Bulk-based and the
Brane-based Approaches for Anisotropic Models | 8 pages | Gen. Rel. and Grav. V. 44, Number 4 (2012), 875-886 | 10.1007/s10714-011-1313-4 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate the relation between the brane-based and the bulk-based
approaches for anisotropic case in brane-world models. In the brane-based
approach, the brane is chosen to be fixed on a coordinate system, whereas in
the bulk-based approach it is no longer static as it moves along the extra
dimension. It was sho... | [
{
"created": "Tue, 18 Sep 2012 20:28:58 GMT",
"version": "v1"
}
] | 2012-09-20 | [
[
"Uluyazi",
"Gülçin",
""
]
] | We investigate the relation between the brane-based and the bulk-based approaches for anisotropic case in brane-world models. In the brane-based approach, the brane is chosen to be fixed on a coordinate system, whereas in the bulk-based approach it is no longer static as it moves along the extra dimension. It was shown... |
gr-qc/9303029 | Mail | M. Carfora, A. Marzuoli | Critical Phenomena for Riemannian Manifolds: Simple Homotopy and
Simplicial Quantum Gravity | 78 pages, latex | null | null | FNT/T 90/19 | gr-qc | null | We show how Gromov's spaces of bounded geometries provide a general
mathematical framework for addressing and solving many of the issues of
$3D$-simplicial quantum gravity. In particular, we establish entropy estimates
characterizing the asymptotic distribution of combinatorially inequivalent
triangulated $3$-manifol... | [
{
"created": "Fri, 26 Mar 1993 12:56:33 GMT",
"version": "v1"
}
] | 2007-08-09 | [
[
"Carfora",
"M.",
""
],
[
"Marzuoli",
"A.",
""
]
] | We show how Gromov's spaces of bounded geometries provide a general mathematical framework for addressing and solving many of the issues of $3D$-simplicial quantum gravity. In particular, we establish entropy estimates characterizing the asymptotic distribution of combinatorially inequivalent triangulated $3$-manifolds... |
1010.1855 | Bijan Saha Dr. | Bijan Saha | Bianchi type-II cosmological model: some remarks | 3 pages | Central Eur.J.Phys.9 (2011) 939 - 941 | 10.2478/s11534-011-0017-4 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Within the framework of Bianchi type-II (BII) cosmological model the behavior
of matter distribution has been considered. It is shown that the non-zero
off-diagonal component of Einstein tensor implies some severe restriction on
the choice of matter distribution. In particular for a locally rotationally
symmetric Bia... | [
{
"created": "Sat, 9 Oct 2010 16:03:52 GMT",
"version": "v1"
}
] | 2015-05-01 | [
[
"Saha",
"Bijan",
""
]
] | Within the framework of Bianchi type-II (BII) cosmological model the behavior of matter distribution has been considered. It is shown that the non-zero off-diagonal component of Einstein tensor implies some severe restriction on the choice of matter distribution. In particular for a locally rotationally symmetric Bianc... |
gr-qc/9709084 | Lars Andersson | L. Andersson, G. J. Galloway and R. Howard | The Cosmological Time Function | 19 pages, AEI preprint, latex2e with amsmath and amsthm | Class.Quant.Grav. 15 (1998) 309-322 | 10.1088/0264-9381/15/2/006 | null | gr-qc dg-ga math.DG | null | Let $(M,g)$ be a time oriented Lorentzian manifold and $d$ the Lorentzian
distance on $M$. The function $\tau(q):=\sup_{p< q} d(p,q)$ is the cosmological
time function of $M$, where as usual $p< q$ means that $p$ is in the causal
past of $q$. This function is called regular iff $\tau(q) < \infty$ for all $q$
and also... | [
{
"created": "Tue, 30 Sep 1997 20:04:38 GMT",
"version": "v1"
}
] | 2009-10-30 | [
[
"Andersson",
"L.",
""
],
[
"Galloway",
"G. J.",
""
],
[
"Howard",
"R.",
""
]
] | Let $(M,g)$ be a time oriented Lorentzian manifold and $d$ the Lorentzian distance on $M$. The function $\tau(q):=\sup_{p< q} d(p,q)$ is the cosmological time function of $M$, where as usual $p< q$ means that $p$ is in the causal past of $q$. This function is called regular iff $\tau(q) < \infty$ for all $q$ and also $... |
2005.06955 | Muhammad Zubair | M. Zubair, Hina Azmat | Anisotropic Tolman V Solution by Minimal Gravitational Decoupling
Approach | 11 pages, 4 figures | Annals of Physics, Volume 420, 168248 (2020) | 10.1016/j.aop.2020.168248 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this paper, we consider well known Tolman V perfect fluid solution and
extend it to its an anisotropic version using gravitational decoupling by
minimal geometric deformation approach and analyze the behavior of new version
of the solution graphically. The effects of coupling constant on anisotropic
factor has bee... | [
{
"created": "Thu, 23 Apr 2020 04:45:49 GMT",
"version": "v1"
}
] | 2020-09-29 | [
[
"Zubair",
"M.",
""
],
[
"Azmat",
"Hina",
""
]
] | In this paper, we consider well known Tolman V perfect fluid solution and extend it to its an anisotropic version using gravitational decoupling by minimal geometric deformation approach and analyze the behavior of new version of the solution graphically. The effects of coupling constant on anisotropic factor has been ... |
1511.06249 | Gerard Clement | G\'erard Cl\'ement | Axisymmetric multiwormholes revisited | 12 pages | Gen. Relat. Grav. 48 (2016) 76 | 10.1007/s10714-016-2073-y | LAPTH-063/15 | gr-qc hep-th math-ph math.MP | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The construction of stationary axisymmetric multiwormhole solutions to
gravitating field theories admitting toroidal reductions to three-dimensional
gravitating sigma models is reviewed. We show that, as in the multi-black hole
case, strut singularities always appear in this construction, except for very
special conf... | [
{
"created": "Thu, 19 Nov 2015 16:47:29 GMT",
"version": "v1"
},
{
"created": "Sun, 6 Dec 2015 09:33:48 GMT",
"version": "v2"
}
] | 2021-03-01 | [
[
"Clément",
"Gérard",
""
]
] | The construction of stationary axisymmetric multiwormhole solutions to gravitating field theories admitting toroidal reductions to three-dimensional gravitating sigma models is reviewed. We show that, as in the multi-black hole case, strut singularities always appear in this construction, except for very special config... |
2001.03014 | Dr. Goutam Manna | Bivash Majumder, Goutam Manna and Ashoke Das | Time-like geodesic structure for the K-essence Emergent
Barriola-Vilenkin type spacetime | 11 pages, 3 figures, Accepted from Classical and Quantum Gravity
(CQG) | null | 10.1088/1361-6382/ab86fa | null | gr-qc hep-th | http://creativecommons.org/licenses/by/4.0/ | For a particular type of {\bf k-}essence scalar field, the {\bf k-}essence
emergent gravity metric is exactly mapped on to the Barriola-Vilenkin (BV) type
metric for Schwarzschild background established by Gangopadhyay and Manna.
Based on the S. Chandrasekhar, we report the exciting features of the time-like
geodesic... | [
{
"created": "Wed, 8 Jan 2020 18:04:57 GMT",
"version": "v1"
},
{
"created": "Thu, 16 Jan 2020 17:14:04 GMT",
"version": "v2"
},
{
"created": "Tue, 7 Apr 2020 13:51:11 GMT",
"version": "v3"
}
] | 2020-04-08 | [
[
"Majumder",
"Bivash",
""
],
[
"Manna",
"Goutam",
""
],
[
"Das",
"Ashoke",
""
]
] | For a particular type of {\bf k-}essence scalar field, the {\bf k-}essence emergent gravity metric is exactly mapped on to the Barriola-Vilenkin (BV) type metric for Schwarzschild background established by Gangopadhyay and Manna. Based on the S. Chandrasekhar, we report the exciting features of the time-like geodesic s... |
2202.11791 | George E. A. Matsas Professor | Luanna K. de Souza and George E. A. Matsas | Black-hole analog in vehicular traffic | 14 pages, 5 figures | Am. J. Phys., vol. 90, p. 692 (2022) | 10.1119/5.0091957 | null | gr-qc | http://creativecommons.org/publicdomain/zero/1.0/ | We propose here a simple black-hole analog in vehicular-traffic dynamics. The
corresponding causal diagram is determined by the propagation of the tail light
flashes emitted by a convoy of cars on a highway. In addition to being a new
black-hole analog, this illustrates how causal diagrams, so common in general
relat... | [
{
"created": "Wed, 23 Feb 2022 21:18:32 GMT",
"version": "v1"
},
{
"created": "Sun, 24 Jul 2022 20:57:25 GMT",
"version": "v2"
},
{
"created": "Thu, 25 Aug 2022 13:56:09 GMT",
"version": "v3"
}
] | 2022-08-26 | [
[
"de Souza",
"Luanna K.",
""
],
[
"Matsas",
"George E. A.",
""
]
] | We propose here a simple black-hole analog in vehicular-traffic dynamics. The corresponding causal diagram is determined by the propagation of the tail light flashes emitted by a convoy of cars on a highway. In addition to being a new black-hole analog, this illustrates how causal diagrams, so common in general relativ... |
2203.06447 | Qihong Huang | Qihong Huang, Kaituo Zhang, Zhenxing Fang and Feiquan Tu | Analytical approximations for primordial power spectra in a spatially
closed emergent universe | null | Physics of the Dark Universe 38 (2022) 101124 | 10.1016/j.dark.2022.101124 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The emergent universe scenario was proposed to solve the big bang singularity
by suggesting that the universe originates from an Einstein static state and
then evolves into a subsequently inflationary era. Thus, to find the relic of
the existence of the Einstein static state becomes a crucial work. In this
paper, we ... | [
{
"created": "Sat, 12 Mar 2022 14:40:02 GMT",
"version": "v1"
},
{
"created": "Sun, 30 Oct 2022 13:10:23 GMT",
"version": "v2"
}
] | 2022-11-01 | [
[
"Huang",
"Qihong",
""
],
[
"Zhang",
"Kaituo",
""
],
[
"Fang",
"Zhenxing",
""
],
[
"Tu",
"Feiquan",
""
]
] | The emergent universe scenario was proposed to solve the big bang singularity by suggesting that the universe originates from an Einstein static state and then evolves into a subsequently inflationary era. Thus, to find the relic of the existence of the Einstein static state becomes a crucial work. In this paper, we de... |
2404.19046 | Christos Tsagas | Eleftheria P. Miliou, Christos G. Tsagas | Peculiar velocities in Friedmann universes with nonzero spatial
curvature | 15 pages, 1 figure | null | null | null | gr-qc astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We extend the earlier linear studies of cosmological peculiar velocities to
Friedmann universes with nonzero spatial curvature. In the process, we also
compare our results with those obtained in cosmologies with Euclidean spatial
sections. Employing relativistic cosmological perturbation theory, we first
provide the ... | [
{
"created": "Mon, 29 Apr 2024 18:35:52 GMT",
"version": "v1"
}
] | 2024-05-01 | [
[
"Miliou",
"Eleftheria P.",
""
],
[
"Tsagas",
"Christos G.",
""
]
] | We extend the earlier linear studies of cosmological peculiar velocities to Friedmann universes with nonzero spatial curvature. In the process, we also compare our results with those obtained in cosmologies with Euclidean spatial sections. Employing relativistic cosmological perturbation theory, we first provide the di... |
gr-qc/0405109 | Charles W. Misner | R. Arnowitt (Syracuse Univ.), S. Deser (Brandeis Univ.) and C. W.
Misner (Princeton Univ.) | The Dynamics of General Relativity | 30 pages (LaTeX2e), uses amsfonts, no figures | "Gravitation: an introduction to current research", Louis Witten
ed. (Wiley 1962), chapter 7, pp 227--265 | 10.1007/s10714-008-0661-1 | null | gr-qc astro-ph hep-th | null | This article--summarizing the authors' then novel formulation of General
Relativity--appeared as Chapter 7 of an often cited compendium edited by L.
Witten in 1962, which is now long out of print. Intentionally unretouched, this
posting is intended to provide contemporary accessibility to the flavor of the
original i... | [
{
"created": "Wed, 19 May 2004 17:49:35 GMT",
"version": "v1"
}
] | 2009-11-10 | [
[
"Arnowitt",
"R.",
"",
"Syracuse Univ."
],
[
"Deser",
"S.",
"",
"Brandeis Univ."
],
[
"Misner",
"C. W.",
"",
"Princeton Univ."
]
] | This article--summarizing the authors' then novel formulation of General Relativity--appeared as Chapter 7 of an often cited compendium edited by L. Witten in 1962, which is now long out of print. Intentionally unretouched, this posting is intended to provide contemporary accessibility to the flavor of the original ide... |
1711.01313 | Thomas Zannias | Thomas Zannias | On causality violation on a Kerr-de Sitter spacetime | 20 pages, 3 figures | Gen.Rel.Grav. 50, 134, (2018) | 10.1007/s10714-018-2456-3 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The causal properties of the family of Kerr-de Sitter spacetimes are analyzed
and compared to those of the Kerr family. At first we show that a Kerr-de
Sitter spacetime can be viewed as an assembly of Carter's blocks i.e. four
dimensional spacetime regions contained within Killing horizons or a Killing
horizon and th... | [
{
"created": "Fri, 3 Nov 2017 19:38:25 GMT",
"version": "v1"
},
{
"created": "Fri, 21 Dec 2018 20:24:27 GMT",
"version": "v2"
}
] | 2018-12-27 | [
[
"Zannias",
"Thomas",
""
]
] | The causal properties of the family of Kerr-de Sitter spacetimes are analyzed and compared to those of the Kerr family. At first we show that a Kerr-de Sitter spacetime can be viewed as an assembly of Carter's blocks i.e. four dimensional spacetime regions contained within Killing horizons or a Killing horizon and the ... |
2006.14747 | El\'ias Castellanos Dr. | Jasel Berra-Montiel, El\'ias Castellanos, Alberto Molgado and Jonathan
Trinidad-Garc\'ia | Superfluids in Polymer Quantum Mechanics | 14 pages | Modern Physics Letters A Vol. 36, No. 07, 2150045 (2021) | 10.1142/S0217732321500450 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this work, we analyze the corrections obtained on a homogeneous
one-dimensional Bose gas within the high densities limit by means of the
polymer quantization scheme. Thus, starting from the Bogoliubov formalism, we
analyze the ground expectation value of the polymer momentum operator in terms
of semiclassical stat... | [
{
"created": "Fri, 26 Jun 2020 01:31:29 GMT",
"version": "v1"
}
] | 2021-03-12 | [
[
"Berra-Montiel",
"Jasel",
""
],
[
"Castellanos",
"Elías",
""
],
[
"Molgado",
"Alberto",
""
],
[
"Trinidad-García",
"Jonathan",
""
]
] | In this work, we analyze the corrections obtained on a homogeneous one-dimensional Bose gas within the high densities limit by means of the polymer quantization scheme. Thus, starting from the Bogoliubov formalism, we analyze the ground expectation value of the polymer momentum operator in terms of semiclassical states... |
0707.1943 | Christian Corda cordac | Christian Corda | Analysis of the transverse effect of Einstein's gravitational waves | Review paper, accepted for the International Journal of Modern
Physics A | Int.J.Mod.Phys.A22:4859-4881,2007 | 10.1142/S0217751X07037172 | null | gr-qc | null | The investigation of the transverse effect of gravitational waves (GWs) could
constitute a further tool to discriminate among several relativistic theories
of gravity on the ground. After a review of the TT gauge, the transverse effect
of GWs arising by standard general relativity (called Einstein's GWs in this
paper... | [
{
"created": "Fri, 13 Jul 2007 09:11:07 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Corda",
"Christian",
""
]
] | The investigation of the transverse effect of gravitational waves (GWs) could constitute a further tool to discriminate among several relativistic theories of gravity on the ground. After a review of the TT gauge, the transverse effect of GWs arising by standard general relativity (called Einstein's GWs in this paper) ... |
1605.04293 | Javier Olmedo | Florencia Ben\'itez Mart\'inez and Javier Olmedo | Primordial tensor modes of the early Universe | 26 pages, minor corrections and typos, bibliography updated | Phys. Rev. D 93, 124008 (2016) | 10.1103/PhysRevD.93.124008 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study cosmological tensor perturbations on a quantized background within
the hybrid quantization approach. In particular, we consider a flat,
homogeneous and isotropic spacetime and small tensor inhomogeneities on it. We
truncate the action to second order in the perturbations. The dynamics is ruled
by a homogeneo... | [
{
"created": "Fri, 13 May 2016 19:16:15 GMT",
"version": "v1"
},
{
"created": "Fri, 3 Jun 2016 20:46:33 GMT",
"version": "v2"
}
] | 2016-06-07 | [
[
"Martínez",
"Florencia Benítez",
""
],
[
"Olmedo",
"Javier",
""
]
] | We study cosmological tensor perturbations on a quantized background within the hybrid quantization approach. In particular, we consider a flat, homogeneous and isotropic spacetime and small tensor inhomogeneities on it. We truncate the action to second order in the perturbations. The dynamics is ruled by a homogeneous... |
1607.05998 | Muhammad Zubair | M. Zubair, Saira Waheed and Yasir Ahmad | Static Spherically Symmetric Wormholes in $f(R,T)$ Gravity | 26 pages, 12 figures | Eur. Phys. J. C (2016) 76:444 | 10.1140/epjc/s10052-016-4288-1 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this work, we explore wormhole solutions in $f(R,T)$ theory of gravity,
where $R$ is the scalar curvature and $T$ is the trace of stress-energy tensor
of matter. To investigate this, we consider static spherically symmetric
geometry with matter contents as anisotropic, isotropic and barotropic fluids
in three sepa... | [
{
"created": "Tue, 19 Jul 2016 12:36:13 GMT",
"version": "v1"
}
] | 2016-08-10 | [
[
"Zubair",
"M.",
""
],
[
"Waheed",
"Saira",
""
],
[
"Ahmad",
"Yasir",
""
]
] | In this work, we explore wormhole solutions in $f(R,T)$ theory of gravity, where $R$ is the scalar curvature and $T$ is the trace of stress-energy tensor of matter. To investigate this, we consider static spherically symmetric geometry with matter contents as anisotropic, isotropic and barotropic fluids in three separa... |
1901.06388 | Ra\'ul Carballo-Rubio | Carlos Barcel\'o, Ra\'ul Carballo-Rubio and Stefano Liberati | Generalized no-hair theorems without horizons | v2: 18 pages, 1 figure, a couple of minor changes and typos fixed, as
accepted for publication; v1: 17 pages, 1 figure | Class.Quant.Grav. 36 (2019) no.13, 13LT01 | 10.1088/1361-6382/ab23b6 | null | gr-qc astro-ph.HE | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The simplicity of black holes, as characterized by no-hair theorems, is one
of the most important mathematical results in the framework of general
relativity. Are these theorems unique to black hole spacetimes, or do they also
constrain the geometry around regions of spacetime with arbitrarily large
(although finite)... | [
{
"created": "Fri, 18 Jan 2019 19:00:01 GMT",
"version": "v1"
},
{
"created": "Wed, 19 Jun 2019 09:49:59 GMT",
"version": "v2"
}
] | 2019-06-20 | [
[
"Barceló",
"Carlos",
""
],
[
"Carballo-Rubio",
"Raúl",
""
],
[
"Liberati",
"Stefano",
""
]
] | The simplicity of black holes, as characterized by no-hair theorems, is one of the most important mathematical results in the framework of general relativity. Are these theorems unique to black hole spacetimes, or do they also constrain the geometry around regions of spacetime with arbitrarily large (although finite) r... |
1802.00916 | Kiyoshi Shiraishi | Takuya Maki and Kiyoshi Shiraishi | Three-dimensional black holes and solitons in higher-dimensional
theories with compactification | 8 pages, no figure | Classical and Quantum Gravity 11, No. 11, pp. 2781-2787, 1994 | 10.1088/0264-9381/11/11/018 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Several types of static solutions to Einstein's equations coupled with
antisymmetric tensor fields are found in $(2+N+1)$-dimensional spacetime. The
solutions describe a product of a three-dimensional radially symmetric
spacetime and an internal maximally symmetric manifold. The scale of the
internal space may depend... | [
{
"created": "Sat, 3 Feb 2018 05:25:02 GMT",
"version": "v1"
}
] | 2018-02-06 | [
[
"Maki",
"Takuya",
""
],
[
"Shiraishi",
"Kiyoshi",
""
]
] | Several types of static solutions to Einstein's equations coupled with antisymmetric tensor fields are found in $(2+N+1)$-dimensional spacetime. The solutions describe a product of a three-dimensional radially symmetric spacetime and an internal maximally symmetric manifold. The scale of the internal space may depend o... |
gr-qc/9604043 | Christian Wiesendanger | C. Wiesendanger | A Poincare Gauge Theory of Gravitation in Minkowski Spacetime | 18 pages, LaTex, to appear in the Proceedings on 'Quantum Gravity',
11-19 May 1995 (Erice, Italy) | null | null | DIAS-STP 95-27 | gr-qc | null | The conventional role of spacetime geometry in the description of gravity is
pointed out. Global Poincar$\acute{\mbox{e}}$ symmetry as an inner symmetry of
field theories defined on a fixed Minkowski spacetime is discussed. Its
extension to local {\bf P\/} gauge symmetry and the corresponding {\bf P\/}
gauge fields a... | [
{
"created": "Tue, 23 Apr 1996 17:05:57 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Wiesendanger",
"C.",
""
]
] | The conventional role of spacetime geometry in the description of gravity is pointed out. Global Poincar$\acute{\mbox{e}}$ symmetry as an inner symmetry of field theories defined on a fixed Minkowski spacetime is discussed. Its extension to local {\bf P\/} gauge symmetry and the corresponding {\bf P\/} gauge fields are... |
2201.09584 | Javier Olmedo | Daniel del-Corral and Javier Olmedo | Breaking of isospectrality of quasinormal modes in nonrotating loop
quantum gravity black holes | 12 pages, 3 figures, typos corrected, matches published version | null | 10.1103/PhysRevD.105.064053 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the quasinormal frequencies of three effective geometries of
nonrotating regular black holes derived from loop quantum gravity. Concretely,
we consider the Ashtekar-Olmedo-Singh and two Gambini-Olmedo-Pullin
prescriptions. We compute the quasinormal frequencies of axial and polar
perturbations adopting a WKB... | [
{
"created": "Mon, 24 Jan 2022 10:48:46 GMT",
"version": "v1"
},
{
"created": "Mon, 11 Apr 2022 14:20:13 GMT",
"version": "v2"
}
] | 2022-04-12 | [
[
"del-Corral",
"Daniel",
""
],
[
"Olmedo",
"Javier",
""
]
] | We study the quasinormal frequencies of three effective geometries of nonrotating regular black holes derived from loop quantum gravity. Concretely, we consider the Ashtekar-Olmedo-Singh and two Gambini-Olmedo-Pullin prescriptions. We compute the quasinormal frequencies of axial and polar perturbations adopting a WKB m... |
gr-qc/9609070 | Jacek Gruszczak | Jacek Gruszczak | Discrete Spectrum of the Deficit Angle and the Differential Structure of
a Cosmic String | 20 pages, LaTeX,amsfonts, published version, to appear in
International J. of Th. Phys | null | null | null | gr-qc | null | Differential properties of Klein-Gordon and electromagnetic fields on the
space-time of a straight cosmic string are studied with the help of methods of
the differential space theory. It is shown that these fields are smooth in the
interior of the cosmic string space-time and that they loose this property at
the sing... | [
{
"created": "Mon, 30 Sep 1996 12:15:35 GMT",
"version": "v1"
},
{
"created": "Mon, 17 Sep 2007 13:35:19 GMT",
"version": "v2"
}
] | 2008-02-03 | [
[
"Gruszczak",
"Jacek",
""
]
] | Differential properties of Klein-Gordon and electromagnetic fields on the space-time of a straight cosmic string are studied with the help of methods of the differential space theory. It is shown that these fields are smooth in the interior of the cosmic string space-time and that they loose this property at the singul... |
0902.3283 | Takeshi Fukuyama | Takeshi Fukuyama | Gravitational Field as a Generalized Gauge Field Revisited | 6 pages, no figure | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We add some comments to our old paper \cite{F-U} where the metric tensor was
introduced as the gauge theory of general coordinate transformation. This
formulation is more satisfactorily completed than the original one if it is
required to be valid for arbitrary n dimensional spacetime. That is, our
formulation assert... | [
{
"created": "Thu, 19 Feb 2009 02:13:54 GMT",
"version": "v1"
}
] | 2009-02-20 | [
[
"Fukuyama",
"Takeshi",
""
]
] | We add some comments to our old paper \cite{F-U} where the metric tensor was introduced as the gauge theory of general coordinate transformation. This formulation is more satisfactorily completed than the original one if it is required to be valid for arbitrary n dimensional spacetime. That is, our formulation asserts ... |
1911.09855 | Akash Kumar Mishra | Akash K Mishra, Sumanta Chakraborty | Strong Cosmic Censorship in higher curvature gravity | 20 pages, References Updated, Accepted in PRD | Phys. Rev. D 101, 064041 (2020) | 10.1103/PhysRevD.101.064041 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Deterministic nature of general relativity is ensured by the strong cosmic
censorship conjecture, which asserts that spacetime cannot be extended beyond
Cauchy horizon with square integrable connection. Although this conjecture
holds true for asymptotically flat black hole spacetimes in general relativity,
a potentia... | [
{
"created": "Fri, 22 Nov 2019 04:47:24 GMT",
"version": "v1"
},
{
"created": "Fri, 20 Mar 2020 12:25:20 GMT",
"version": "v2"
}
] | 2020-03-23 | [
[
"Mishra",
"Akash K",
""
],
[
"Chakraborty",
"Sumanta",
""
]
] | Deterministic nature of general relativity is ensured by the strong cosmic censorship conjecture, which asserts that spacetime cannot be extended beyond Cauchy horizon with square integrable connection. Although this conjecture holds true for asymptotically flat black hole spacetimes in general relativity, a potential ... |
gr-qc/0501008 | Ian Hawke | Maria Babiuc, Bela Szilagyi, Ian Hawke, Yosef Zlochower | Gravitational wave extraction based on Cauchy-characteristic extraction
and characteristic evolution | 11 pages, 5 figures; corrections after referee's comments; add
section on Teukolsky wave | Class.Quant.Grav. 22 (2005) 5089-5108 | 10.1088/0264-9381/22/23/011 | null | gr-qc | null | We implement a code to find the gravitational news at future null infinity by
using data from a Cauchy code as boundary data for a characteristic code. This
technique of Cauchy-characteristic Extraction (CCE) allows for the unambiguous
extraction of gravitational waves from numerical simulations.
| [
{
"created": "Tue, 4 Jan 2005 15:14:59 GMT",
"version": "v1"
},
{
"created": "Tue, 27 Sep 2005 09:01:59 GMT",
"version": "v2"
}
] | 2009-11-11 | [
[
"Babiuc",
"Maria",
""
],
[
"Szilagyi",
"Bela",
""
],
[
"Hawke",
"Ian",
""
],
[
"Zlochower",
"Yosef",
""
]
] | We implement a code to find the gravitational news at future null infinity by using data from a Cauchy code as boundary data for a characteristic code. This technique of Cauchy-characteristic Extraction (CCE) allows for the unambiguous extraction of gravitational waves from numerical simulations. |
2007.03403 | Yujie Tan | Cheng-Gang Qin, Yu-Jie Tan, and Cheng-Gang Shao | Relativistic tidal effects on clock-comparison experiments | null | null | 10.1088/1361-6382/ab01ae | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider the relativistic tidal effects on frequency shift of
clock-comparison experiments. The relativistic formulation for frequency shift
and time transfer is derived in the gravitational field of a tidal,
axisymmetric, and rotating Earth. With the help of Love numbers describing the
tidal response of solid Ear... | [
{
"created": "Tue, 7 Jul 2020 13:11:25 GMT",
"version": "v1"
}
] | 2020-07-08 | [
[
"Qin",
"Cheng-Gang",
""
],
[
"Tan",
"Yu-Jie",
""
],
[
"Shao",
"Cheng-Gang",
""
]
] | We consider the relativistic tidal effects on frequency shift of clock-comparison experiments. The relativistic formulation for frequency shift and time transfer is derived in the gravitational field of a tidal, axisymmetric, and rotating Earth. With the help of Love numbers describing the tidal response of solid Earth... |
2307.15267 | Annalaura Stingo | C\'ecile Huneau, Annalaura Stingo, Zoe Wyatt | The global stability of the Kaluza-Klein spacetime | 80 pages | null | null | null | gr-qc math.AP | http://creativecommons.org/licenses/by/4.0/ | In this paper we show the classical global stability of the flat Kaluza-Klein
spacetime, which corresponds to Minkowski spacetime in $\m R^{1+4}$ with one
direction compactified on a circle. We consider small perturbations which are
allowed to vary in all directions including the compact direction. These
perturbation... | [
{
"created": "Fri, 28 Jul 2023 02:23:52 GMT",
"version": "v1"
}
] | 2023-07-31 | [
[
"Huneau",
"Cécile",
""
],
[
"Stingo",
"Annalaura",
""
],
[
"Wyatt",
"Zoe",
""
]
] | In this paper we show the classical global stability of the flat Kaluza-Klein spacetime, which corresponds to Minkowski spacetime in $\m R^{1+4}$ with one direction compactified on a circle. We consider small perturbations which are allowed to vary in all directions including the compact direction. These perturbations ... |
1511.07459 | Victor Shchigolev Konstantinovich | V. K. Shchigolev | Calculating Luminosity Distance versus Redshift in FLRW Cosmology via
Homotopy Perturbation Method | 6 pages, 1 figure. Submitted for publication in "Gravitation and
Cosmology" | Gravit. Cosmol. (2017) 23: 142 | 10.1134/S0202289317020098 | null | gr-qc physics.comp-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We propose an efficient analytical method for estimating the luminosity
distance in a homogenous Friedmann-Lema\^itre-Robertson-Walker (FLRW) model of
the Universe. This method is based on the homotopy perturbation method (HPM),
which has high accuracy in many nonlinear problems, and can be easily
implemented. For an... | [
{
"created": "Mon, 23 Nov 2015 21:06:46 GMT",
"version": "v1"
},
{
"created": "Sat, 28 Nov 2015 19:37:13 GMT",
"version": "v2"
},
{
"created": "Tue, 1 Dec 2015 14:54:00 GMT",
"version": "v3"
},
{
"created": "Sun, 27 Nov 2016 18:53:58 GMT",
"version": "v4"
}
] | 2017-05-29 | [
[
"Shchigolev",
"V. K.",
""
]
] | We propose an efficient analytical method for estimating the luminosity distance in a homogenous Friedmann-Lema\^itre-Robertson-Walker (FLRW) model of the Universe. This method is based on the homotopy perturbation method (HPM), which has high accuracy in many nonlinear problems, and can be easily implemented. For anal... |
0710.0158 | Harald P. Pfeiffer | Michael Boyle, Duncan A. Brown, Lawrence E. Kidder, Abdul H. Mroue,
Harald P. Pfeiffer, Mark A. Scheel, Gregory B. Cook, Saul A. Teukolsky | High-accuracy comparison of numerical relativity simulations with
post-Newtonian expansions | Updated to agree with published version (various minor
clarifications; added description of AH finder in Sec IIB; added discussion
of tidal heating in Sec VC) | Phys.Rev.D76:124038,2007 | 10.1103/PhysRevD.76.124038 | null | gr-qc | null | Numerical simulations of 15 orbits of an equal-mass binary black hole system
are presented. Gravitational waveforms from these simulations, covering more
than 30 cycles and ending about 1.5 cycles before merger, are compared with
those from quasi-circular zero-spin post-Newtonian (PN) formulae. The
cumulative phase u... | [
{
"created": "Sun, 30 Sep 2007 17:28:58 GMT",
"version": "v1"
},
{
"created": "Thu, 21 Feb 2008 21:22:09 GMT",
"version": "v2"
}
] | 2010-04-06 | [
[
"Boyle",
"Michael",
""
],
[
"Brown",
"Duncan A.",
""
],
[
"Kidder",
"Lawrence E.",
""
],
[
"Mroue",
"Abdul H.",
""
],
[
"Pfeiffer",
"Harald P.",
""
],
[
"Scheel",
"Mark A.",
""
],
[
"Cook",
"Gregory B.",
""... | Numerical simulations of 15 orbits of an equal-mass binary black hole system are presented. Gravitational waveforms from these simulations, covering more than 30 cycles and ending about 1.5 cycles before merger, are compared with those from quasi-circular zero-spin post-Newtonian (PN) formulae. The cumulative phase unc... |
2006.03911 | Peter K.F. Kuhfittig | Peter K.F. Kuhfittig | Accounting for the large radial tension in Morris-Thorne wormholes | 9 pages, 1 figure | Eur. Phys. J. Plus, vol. 135, ID: 50 (2020) | 10.1140/epjp/s13360-020-00511-8 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | It is well known that a Morris-Thorne wormhole can only be held open by
violating the null energy condition, physically realizable by the use of
"exotic matter." Unfortunately, even a small or moderately-sized wormhole would
have a radial tension equal to that of the interior of a massive neutron star.
So outside a n... | [
{
"created": "Sat, 6 Jun 2020 16:36:36 GMT",
"version": "v1"
},
{
"created": "Fri, 26 Jun 2020 17:13:27 GMT",
"version": "v2"
}
] | 2020-06-29 | [
[
"Kuhfittig",
"Peter K. F.",
""
]
] | It is well known that a Morris-Thorne wormhole can only be held open by violating the null energy condition, physically realizable by the use of "exotic matter." Unfortunately, even a small or moderately-sized wormhole would have a radial tension equal to that of the interior of a massive neutron star. So outside a neu... |
1106.2425 | Daisuke Nitta | Daisuke Nitta, Takeshi Chiba, Naoshi Sugiyama | Shadows of Colliding Black Holes | 5 pages, 1 figure, accepted for publication in PRD | Phys.Rev.D84:063008,2011 | 10.1103/PhysRevD.84.063008 | null | gr-qc astro-ph.CO astro-ph.HE | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We compute the shadows of colliding black holes using the Kastor-Traschen
cosmological multiblack hole solution that is an exact solution describing the
collision of maximally charged black holes with a positive cosmological
constant. We find that in addition to the shadow of each black hole, an
eyebrowlike structure... | [
{
"created": "Mon, 13 Jun 2011 12:16:48 GMT",
"version": "v1"
},
{
"created": "Wed, 19 Oct 2011 09:50:40 GMT",
"version": "v2"
}
] | 2011-10-20 | [
[
"Nitta",
"Daisuke",
""
],
[
"Chiba",
"Takeshi",
""
],
[
"Sugiyama",
"Naoshi",
""
]
] | We compute the shadows of colliding black holes using the Kastor-Traschen cosmological multiblack hole solution that is an exact solution describing the collision of maximally charged black holes with a positive cosmological constant. We find that in addition to the shadow of each black hole, an eyebrowlike structure a... |
1404.5529 | Daniel Canarutto | Daniel Canarutto | Nature's software | Essay presented for the 2011 contest, "Is Reality Digital or
Analog?", of the Foundational Questions Institute (FQXi) | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | I bring forward some arguments to support the thesis that nature is
fundamentally discrete, and present my own thoughts about the direction in
which one could look for a possible, consistent "theory of everything"
describing gravitation and quantum particles.
| [
{
"created": "Sun, 20 Apr 2014 17:00:25 GMT",
"version": "v1"
}
] | 2014-04-23 | [
[
"Canarutto",
"Daniel",
""
]
] | I bring forward some arguments to support the thesis that nature is fundamentally discrete, and present my own thoughts about the direction in which one could look for a possible, consistent "theory of everything" describing gravitation and quantum particles. |
2408.00022 | Salim Shekh Dr. | S. H. Shekh, Anirudh Pradhan, S. P. Gaikwad, K. R. Mule | Cosmography in $f(Q,T)$ gravity with the specific $H(z)$ | 18 pages, 10 figures | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The dynamics of perfect fluid as a source in the context of modified gravity,
specifically $f(Q,T)$ gravity, are examined within the
Friedmann-Lema\^itre-Robertson-Walker (FLRW) cosmological model. This gravity
is a generic function of the non-metricity scalar $Q$ and its trace $T$. We
investigate the characteristics... | [
{
"created": "Wed, 31 Jul 2024 02:41:07 GMT",
"version": "v1"
}
] | 2024-08-02 | [
[
"Shekh",
"S. H.",
""
],
[
"Pradhan",
"Anirudh",
""
],
[
"Gaikwad",
"S. P.",
""
],
[
"Mule",
"K. R.",
""
]
] | The dynamics of perfect fluid as a source in the context of modified gravity, specifically $f(Q,T)$ gravity, are examined within the Friedmann-Lema\^itre-Robertson-Walker (FLRW) cosmological model. This gravity is a generic function of the non-metricity scalar $Q$ and its trace $T$. We investigate the characteristics o... |
0903.0081 | Davood Momeni | D.Momeni, A.Azadi | Phase transition in Schwarzschild-de Sitter spacetime | 7 pages,no figures,RevTex, Typos corrected and references added | Astrophysics and Space Science, vol. 317, no. 3.(2008)-pp. 231-234 | 10.1007/s10509-008-9883-7 | null | gr-qc math-ph math.MP | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Using a static massive spherically symmetric scalar field coupled to gravity
in the Schwarzschild-de Sitter (SdS) background, first we consider some
asymptotic solutions near horizon and their local equations of state(E.O.S) on
them. We show that near cosmological and event horizons our scalar field
behaves as a dust... | [
{
"created": "Sat, 28 Feb 2009 14:49:28 GMT",
"version": "v1"
},
{
"created": "Thu, 5 Mar 2009 15:44:11 GMT",
"version": "v2"
}
] | 2009-03-24 | [
[
"Momeni",
"D.",
""
],
[
"Azadi",
"A.",
""
]
] | Using a static massive spherically symmetric scalar field coupled to gravity in the Schwarzschild-de Sitter (SdS) background, first we consider some asymptotic solutions near horizon and their local equations of state(E.O.S) on them. We show that near cosmological and event horizons our scalar field behaves as a dust. ... |
gr-qc/9702026 | Michael Pfenning | Michael J. Pfenning, L.H. Ford | The unphysical nature of "Warp Drive" | 11 pages, 3 figures, latex. This revision corrects a typographical
sign error in Eq. (3) | Class.Quant.Grav. 14 (1997) 1743-1751 | 10.1088/0264-9381/14/7/011 | null | gr-qc | null | We will apply the quantum inequality type restrictions to Alcubierre's warp
drive metric on a scale in which a local region of spacetime can be considered
``flat''. These are inequalities that restrict the magnitude and extent of the
negative energy which is needed to form the warp drive metric. From this we are
able... | [
{
"created": "Thu, 13 Feb 1997 23:24:10 GMT",
"version": "v1"
},
{
"created": "Thu, 20 Mar 1997 22:18:15 GMT",
"version": "v2"
},
{
"created": "Thu, 15 Mar 2001 16:47:53 GMT",
"version": "v3"
}
] | 2009-10-30 | [
[
"Pfenning",
"Michael J.",
""
],
[
"Ford",
"L. H.",
""
]
] | We will apply the quantum inequality type restrictions to Alcubierre's warp drive metric on a scale in which a local region of spacetime can be considered ``flat''. These are inequalities that restrict the magnitude and extent of the negative energy which is needed to form the warp drive metric. From this we are able t... |
0707.2256 | Eduard Alexis Larranaga Rubio | Alexis Larranaga | On the First Law of Thermodynamics for (2+1) Dimensional Charged BTZ
Black Hole and Charged de Sitter Space | 4 pages | Turk. J. Phys. 32, 1 (2008) | null | null | gr-qc | null | In this paper we will show that using the cosmological constant as a new
thermodynamical state variable, the differential and integral mass formulas of
the first law of thermodynamics for asymptotic flat spacetimes can be extended
to (2+1) dimensional charged BTZ black holes and charged de Sitter space.
| [
{
"created": "Mon, 16 Jul 2007 02:52:17 GMT",
"version": "v1"
}
] | 2008-03-06 | [
[
"Larranaga",
"Alexis",
""
]
] | In this paper we will show that using the cosmological constant as a new thermodynamical state variable, the differential and integral mass formulas of the first law of thermodynamics for asymptotic flat spacetimes can be extended to (2+1) dimensional charged BTZ black holes and charged de Sitter space. |
gr-qc/9502012 | Baburova O. V. | O. V. Babourova, B. N. Frolov, M. Yu. Koroliov (Department of
Mathematics, Moscow State Pedagogical University) | Peculiarities of Matter Motion in Metric-Affine Gravitational Theory | 6 pages | null | null | EFI-95-02 | gr-qc | null | On the basis of the Lie derivative method in a metric-affine space-time it is
shown that in the metric-affine gravitational theory the energy-momentum
conservation law and therefore the equations of the matter motion are the
consequence (as in the GR) of the gravitational field equations. The possi-
bility of the det... | [
{
"created": "Mon, 6 Feb 1995 13:50:00 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Babourova",
"O. V.",
"",
"Department of\n Mathematics, Moscow State Pedagogical University"
],
[
"Frolov",
"B. N.",
"",
"Department of\n Mathematics, Moscow State Pedagogical University"
],
[
"Koroliov",
"M. Yu.",
"",
"Department of\n Mathematics, Moscow... | On the basis of the Lie derivative method in a metric-affine space-time it is shown that in the metric-affine gravitational theory the energy-momentum conservation law and therefore the equations of the matter motion are the consequence (as in the GR) of the gravitational field equations. The possi- bility of the detec... |
2308.07634 | Junpei Harada | Junpei Harada | Dark energy in conformal Killing gravity | v2: 8 pages, 4 figures, accepted for publication in Phys.Rev.D | Phys. Rev. D 108, 104037 (2023) | 10.1103/PhysRevD.108.104037 | null | gr-qc | http://creativecommons.org/licenses/by/4.0/ | The Friedmann equation, augmented with an additional term that effectively
takes on the role of dark energy, is demonstrated to be an exact solution to
the recently proposed gravitational theory named "conformal Killing gravity."
This theory does not explicitly incorporate dark energy. This finding suggests
that ther... | [
{
"created": "Tue, 15 Aug 2023 08:31:15 GMT",
"version": "v1"
},
{
"created": "Thu, 9 Nov 2023 03:20:43 GMT",
"version": "v2"
}
] | 2023-11-20 | [
[
"Harada",
"Junpei",
""
]
] | The Friedmann equation, augmented with an additional term that effectively takes on the role of dark energy, is demonstrated to be an exact solution to the recently proposed gravitational theory named "conformal Killing gravity." This theory does not explicitly incorporate dark energy. This finding suggests that there ... |
1909.07271 | Susanne Schander | S. Schander, T. Thiemann | Quantum Cosmological Backreactions IV: Constrained Quantum Cosmological
Perturbation Theory | null | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | This is the fourth paper in a series of four in which we use space adiabatic
methods in order to incorporate backreactions among the homogeneous and between
the homogeneous and inhomogeneous degrees of freedom in quantum cosmological
perturbation theory. In this paper, we finally consider the gauge invariant
scalar (... | [
{
"created": "Mon, 16 Sep 2019 15:20:37 GMT",
"version": "v1"
}
] | 2019-09-17 | [
[
"Schander",
"S.",
""
],
[
"Thiemann",
"T.",
""
]
] | This is the fourth paper in a series of four in which we use space adiabatic methods in order to incorporate backreactions among the homogeneous and between the homogeneous and inhomogeneous degrees of freedom in quantum cosmological perturbation theory. In this paper, we finally consider the gauge invariant scalar (Mu... |
1412.8384 | James Ira Thorpe | M. Armano, H. Audley, G. Auger, J. Baird, P. Binetruy, M. Born, D.
Bortoluzzi, N. Brandt, A. Bursi, M. Caleno, A. Cavalleri, A. Cesarini, M.
Cruise, C. Cutler, K. Danzmann, I. Diepholz, R. Dolesi, N. Dunbar, L.
Ferraioli, V. Ferroni, E. Fitzsimons, M. Freschi, J. Gallegos, C. Garcia.
Marirrodriga, R. Gerndt, LI... | Free-flight experiments in LISA Pathfinder | 13 pages, 5 figures. Accepted to Journal Of Physics, Conference
Series. Presented at 10th International LISA Symposium, May 2014,
Gainesville, FL, USA | null | 10.1088/1742-6596/610/1/012006 | null | gr-qc astro-ph.IM | http://creativecommons.org/licenses/publicdomain/ | The LISA Pathfinder mission will demonstrate the technology of drag-free test
masses for use as inertial references in future space-based gravitational wave
detectors. To accomplish this, the Pathfinder spacecraft will perform drag-free
flight about a test mass while measuring the acceleration of this primary test
ma... | [
{
"created": "Mon, 29 Dec 2014 16:38:59 GMT",
"version": "v1"
}
] | 2015-06-11 | [
[
"Armano",
"M.",
""
],
[
"Audley",
"H.",
""
],
[
"Auger",
"G.",
""
],
[
"Baird",
"J.",
""
],
[
"Binetruy",
"P.",
""
],
[
"Born",
"M.",
""
],
[
"Bortoluzzi",
"D.",
""
],
[
"Brandt",
"N.",
""
... | The LISA Pathfinder mission will demonstrate the technology of drag-free test masses for use as inertial references in future space-based gravitational wave detectors. To accomplish this, the Pathfinder spacecraft will perform drag-free flight about a test mass while measuring the acceleration of this primary test mass... |
2303.02194 | Haidar Sheikhahmadi | Haidar Sheikhahmadi, Saheb Soroushfar, S.N. Sajadi, Tiberiu Harko | Astrophysical and electromagnetic emissivity properties of black holes
surrounded by a quintessence type exotic fluid in the Scalar-Vector-Tensor
Modified Gravity | 30 pages, including diagrams and tables | Eur. Phys. J. C (2023) 83: 814 | 10.1140/epjc/s10052-023-11980-3 | null | gr-qc hep-th | http://creativecommons.org/licenses/by/4.0/ | The astrophysical consequences of the presence of a quintessence scalar field
on the evolution of the horizon and on the accretion disk surrounding a static
black hole, in the Scalar-Vector-Tensor version of Modified Gravity (MOG), are
investigated. The positions of the stable circular orbits of the massive test
part... | [
{
"created": "Fri, 3 Mar 2023 19:45:25 GMT",
"version": "v1"
}
] | 2023-09-15 | [
[
"Sheikhahmadi",
"Haidar",
""
],
[
"Soroushfar",
"Saheb",
""
],
[
"Sajadi",
"S. N.",
""
],
[
"Harko",
"Tiberiu",
""
]
] | The astrophysical consequences of the presence of a quintessence scalar field on the evolution of the horizon and on the accretion disk surrounding a static black hole, in the Scalar-Vector-Tensor version of Modified Gravity (MOG), are investigated. The positions of the stable circular orbits of the massive test partic... |
2111.01871 | Alexei M. Frolov | Alexei M. Frolov | General Principles of Hamiltonian Formulations of the Metric Gravity | arXiv admin note: substantial text overlap with arXiv:2001.00275 | Yad. Fiz. (Phys. of Atomic Nuclei) {\bf 84}(5), 750 - 722 (2021) | 10.1134/S1063778821050069 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Principles of successful Hamiltonian approaches, which were developed to
describe free gravitational field(s) in the metric gravity, are formulated and
discussed. By using the standard $\Gamma-\Gamma$ Lagrangian ${\cal
L}_{\Gamma-\Gamma}$ of the metric GR we properly introduce all momenta of the
metric gravitational ... | [
{
"created": "Tue, 2 Nov 2021 20:19:26 GMT",
"version": "v1"
}
] | 2021-12-22 | [
[
"Frolov",
"Alexei M.",
""
]
] | Principles of successful Hamiltonian approaches, which were developed to describe free gravitational field(s) in the metric gravity, are formulated and discussed. By using the standard $\Gamma-\Gamma$ Lagrangian ${\cal L}_{\Gamma-\Gamma}$ of the metric GR we properly introduce all momenta of the metric gravitational fi... |
gr-qc/0206059 | Zachary Wardell | Zachary E. Wardell (University of Missouri-Columbia) | Gravitational Radiation Damping and the Three-Body Problem | 16 pages, 3 Postscript figures, to appear in MNRAS | null | 10.1046/j.1365-8711.2002.05498.x | null | gr-qc astro-ph | null | A model of three-body motion is developed which includes the effects of
gravitational radiation reaction. The radiation reaction due to the emission of
gravitational waves is the only post-Newtonian effect that is included here.
For simplicity, all of the motion is taken to be planar. Two of the masses are
viewed as ... | [
{
"created": "Thu, 20 Jun 2002 05:31:56 GMT",
"version": "v1"
},
{
"created": "Tue, 2 Jul 2002 05:54:24 GMT",
"version": "v2"
}
] | 2009-11-07 | [
[
"Wardell",
"Zachary E.",
"",
"University of Missouri-Columbia"
]
] | A model of three-body motion is developed which includes the effects of gravitational radiation reaction. The radiation reaction due to the emission of gravitational waves is the only post-Newtonian effect that is included here. For simplicity, all of the motion is taken to be planar. Two of the masses are viewed as a ... |
1911.12034 | Yuri Pavlov | A. A. Grib, Yu. V. Pavlov | Static limit and Penrose effect in rotating reference frames | 12 pages, 2 figures | Theor. Math. Phys. 200 (2019) 1117-1125 | 10.1134/S004057791908004X | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We show that effects similar to those for a rotating black hole arise for an
observer using a uniformly rotating reference frame in a flat space-time: a
surface appears such that no body can be stationary beyond this surface, while
the particle energy can be either zero or negative. Beyond this surface, which
is simi... | [
{
"created": "Wed, 27 Nov 2019 09:11:58 GMT",
"version": "v1"
}
] | 2019-11-28 | [
[
"Grib",
"A. A.",
""
],
[
"Pavlov",
"Yu. V.",
""
]
] | We show that effects similar to those for a rotating black hole arise for an observer using a uniformly rotating reference frame in a flat space-time: a surface appears such that no body can be stationary beyond this surface, while the particle energy can be either zero or negative. Beyond this surface, which is simila... |
1010.0996 | Foek Hioe | F.T. Hioe and David Kuebel | Parameter Space for Orbits in the Schwarzschild Metric | 12 pages, 2 figures | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Some features of a parametrized space of orbits in the Schwarzschild geometry
are described.
| [
{
"created": "Tue, 5 Oct 2010 19:44:40 GMT",
"version": "v1"
},
{
"created": "Tue, 23 Nov 2010 21:34:17 GMT",
"version": "v2"
}
] | 2010-11-25 | [
[
"Hioe",
"F. T.",
""
],
[
"Kuebel",
"David",
""
]
] | Some features of a parametrized space of orbits in the Schwarzschild geometry are described. |
1509.03489 | Iver Brevik | Iver Brevik | Viscosity-Induced Crossing of the Phantom Barrier | 11 pages, latex, no figures, to appear in Entropy | Entropy, Vol. 17, pp. 6318-6328 (2015) | 10.3390/e17096318 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We show explicitly, by using astrophysical data plus reasonable assumptions
for the bulk viscosity in the cosmic fluid, how the magnitude of this viscosity
may be high enough to drive the fluid from its position in the quintessence
region at present time $t=0$ across the barrier $w=-1$ into the phantom region
in the ... | [
{
"created": "Fri, 11 Sep 2015 13:05:35 GMT",
"version": "v1"
}
] | 2015-09-15 | [
[
"Brevik",
"Iver",
""
]
] | We show explicitly, by using astrophysical data plus reasonable assumptions for the bulk viscosity in the cosmic fluid, how the magnitude of this viscosity may be high enough to drive the fluid from its position in the quintessence region at present time $t=0$ across the barrier $w=-1$ into the phantom region in the la... |
gr-qc/9607076 | Herbert Balasin | H.Balasin | Geodesics for impulsive gravitational waves and the multiplication of
distributions | 14 pages, latex2e, amstex macros, no figures | Class.Quant.Grav. 14 (1997) 455-462 | 10.1088/0264-9381/14/2/018 | UWThPh-1996-46, TUW95-12 | gr-qc | null | We consider particle trajectories in the gravitational field of an impulsive
pp-wave. Due to the distributional character of the wave profile one inevitably
encounters an ambiguous point value $\theta(0)$. We show that this ambiguity
may be resolved by imposing covariant constancy of the square of the tangent.
Our re... | [
{
"created": "Tue, 30 Jul 1996 21:18:07 GMT",
"version": "v1"
}
] | 2009-10-28 | [
[
"Balasin",
"H.",
""
]
] | We consider particle trajectories in the gravitational field of an impulsive pp-wave. Due to the distributional character of the wave profile one inevitably encounters an ambiguous point value $\theta(0)$. We show that this ambiguity may be resolved by imposing covariant constancy of the square of the tangent. Our resu... |
1508.02291 | David W. Tian | David Wenjie Tian | Traversable wormholes and energy conditions in Lovelock-Brans-Dicke
gravity | 10 informative figures, 14 subfigures, 21 pages | null | null | null | gr-qc astro-ph.HE hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Following the recent theory of Lovelock-Brans-Dicke gravity, we continue to
investigate the conditions to support traversable wormholes by the
gravitational effects of spacetime parity and topology, which arise from the
nonminimal couplings of a background scalar field to the Chern-Pontryagin
density and the Gauss-Bo... | [
{
"created": "Mon, 10 Aug 2015 15:39:31 GMT",
"version": "v1"
},
{
"created": "Sun, 30 Aug 2015 21:41:34 GMT",
"version": "v2"
},
{
"created": "Thu, 7 Jan 2016 16:06:14 GMT",
"version": "v3"
}
] | 2016-01-08 | [
[
"Tian",
"David Wenjie",
""
]
] | Following the recent theory of Lovelock-Brans-Dicke gravity, we continue to investigate the conditions to support traversable wormholes by the gravitational effects of spacetime parity and topology, which arise from the nonminimal couplings of a background scalar field to the Chern-Pontryagin density and the Gauss-Bonn... |
1401.1599 | S. Q. Wu | Shuang-Qing Wu, Gao-Ming Deng, and Di Wu | Hawking radiation from rotating AdS black holes in conformal gravity | Latex, 12 pages, no figure | Astrophys. Space Sci. 352 (2014) 751-762 | 10.1007/s10509-014-1980-1 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We extend to study Hawking radiation via tunneling in conformal gravity. We
adopt Parikh-Wilczek's semi-classical tunneling method and the method of
complex-path integral to investigate Hawking radiation from new rotating AdS
black holes in conformal gravity. In this paper, the research on Hawking
radiation from the ... | [
{
"created": "Wed, 8 Jan 2014 08:19:22 GMT",
"version": "v1"
},
{
"created": "Tue, 22 Jul 2014 04:45:05 GMT",
"version": "v2"
}
] | 2014-07-23 | [
[
"Wu",
"Shuang-Qing",
""
],
[
"Deng",
"Gao-Ming",
""
],
[
"Wu",
"Di",
""
]
] | We extend to study Hawking radiation via tunneling in conformal gravity. We adopt Parikh-Wilczek's semi-classical tunneling method and the method of complex-path integral to investigate Hawking radiation from new rotating AdS black holes in conformal gravity. In this paper, the research on Hawking radiation from the ro... |
gr-qc/0601031 | Kazuhiro Yamamoto | Kazuhiro Yamamoto, Shinji Miyoki, Takashi Uchiyama, Hideki Ishitsuka,
Masatake Ohashi, Kazuaki Kuroda, Takayuki Tomaru, Nobuaki Sato, Toshikazu
Suzuki, Tomiyoshi Haruyama, Akira Yamamoto, Takakazu Shintomi, Kenji Numata,
Koichi Waseda, Kazuhiko Ito, Koji Watanabe | Measurement of the mechanical loss of a cooled reflective coating for
gravitational wave detection | 8 pages, 6 figures, 3 tables : accepted version (by Physical Review
D) | Physical Review D 74, 022002 (2006) | 10.1103/PhysRevD.74.022002 | null | gr-qc cond-mat.mtrl-sci | null | We have measured the mechanical loss of a dielectric multilayer reflective
coating (ion-beam sputtered SiO$_2$ and Ta$_2$O$_5$) in cooled mirrors. The
loss was nearly independent of the temperature (4 K $\sim$ 300 K), frequency,
optical loss, and stress caused by the coating, and the details of the
manufacturing proc... | [
{
"created": "Sun, 8 Jan 2006 11:50:39 GMT",
"version": "v1"
},
{
"created": "Sat, 22 Jul 2006 11:55:02 GMT",
"version": "v2"
}
] | 2007-05-23 | [
[
"Yamamoto",
"Kazuhiro",
""
],
[
"Miyoki",
"Shinji",
""
],
[
"Uchiyama",
"Takashi",
""
],
[
"Ishitsuka",
"Hideki",
""
],
[
"Ohashi",
"Masatake",
""
],
[
"Kuroda",
"Kazuaki",
""
],
[
"Tomaru",
"Takayuki",
""
... | We have measured the mechanical loss of a dielectric multilayer reflective coating (ion-beam sputtered SiO$_2$ and Ta$_2$O$_5$) in cooled mirrors. The loss was nearly independent of the temperature (4 K $\sim$ 300 K), frequency, optical loss, and stress caused by the coating, and the details of the manufacturing proces... |
2305.17237 | Sara Saghafi | Kourosh Nozari, Sara Saghafi | Asymptotically locally flat and AdS higher-dimensional black holes of
Einstein-Horndeski-Maxwell gravity in the light of EHT observations: shadow
behavior and deflection angle | Accepted for publication in The European Physical Journal C, 31
pages, 14 figures | Eur. Phys. J. C, 83(07), 588 (2023) | 10.1140/epjc/s10052-023-11755-w | null | gr-qc astro-ph.HE hep-ph hep-th | http://creativecommons.org/licenses/by/4.0/ | Unification of gravity with other interactions, achieving the ultimate
framework of quantum gravity, and fundamental problems in particle physics and
cosmology motivate to consider extra spatial dimensions. The impact of these
extra dimensions on the modified theories of gravity has attracted a lot of
attention. One ... | [
{
"created": "Fri, 26 May 2023 19:51:45 GMT",
"version": "v1"
},
{
"created": "Mon, 26 Jun 2023 11:30:58 GMT",
"version": "v2"
}
] | 2023-07-12 | [
[
"Nozari",
"Kourosh",
""
],
[
"Saghafi",
"Sara",
""
]
] | Unification of gravity with other interactions, achieving the ultimate framework of quantum gravity, and fundamental problems in particle physics and cosmology motivate to consider extra spatial dimensions. The impact of these extra dimensions on the modified theories of gravity has attracted a lot of attention. One wa... |
1310.4262 | Hongwei Yu | Jiawei Hu, Wenting Zhou, Hongwei Yu | Dynamics of an elementary quantum system outside a radiating
Schwarzschild black hole | a few typos corrected, a couple of references added, published
version | Phys. Rev. D 88, 085035 (2013) | 10.1103/PhysRevD.88.085035 | null | gr-qc hep-th quant-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study, in the framework of open quantum systems, the dynamics of a
radially polarizable two-level atom in multi-polar coupling to fluctuating
vacuum electromagnetic fields which is placed at a fixed radial distance
outside a radiating Schwarzschild black hole, and analyze the transition rates
between atomic energy... | [
{
"created": "Wed, 16 Oct 2013 04:13:45 GMT",
"version": "v1"
},
{
"created": "Tue, 29 Oct 2013 00:15:21 GMT",
"version": "v2"
}
] | 2013-10-30 | [
[
"Hu",
"Jiawei",
""
],
[
"Zhou",
"Wenting",
""
],
[
"Yu",
"Hongwei",
""
]
] | We study, in the framework of open quantum systems, the dynamics of a radially polarizable two-level atom in multi-polar coupling to fluctuating vacuum electromagnetic fields which is placed at a fixed radial distance outside a radiating Schwarzschild black hole, and analyze the transition rates between atomic energy l... |
0710.0970 | Gamal Nashed G.L. | Gamal Gergess Lamee Nashed | Stability of Reissner Nordstr$\ddot{o}$m Black Hole | 10 pages, Latex | ActaPhys.Polon.a112:13,2007 | null | null | gr-qc | null | The singularity of the solutions obtained before in the teleparallel theory
of gravitation is studied. Also the stability of these solutions is studied
using the equations of geodesic deviation. The condition of stability is
obtained. From this condition the stability of Schwarzschild solution can be
obtained.
| [
{
"created": "Thu, 4 Oct 2007 10:18:42 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Nashed",
"Gamal Gergess Lamee",
""
]
] | The singularity of the solutions obtained before in the teleparallel theory of gravitation is studied. Also the stability of these solutions is studied using the equations of geodesic deviation. The condition of stability is obtained. From this condition the stability of Schwarzschild solution can be obtained. |
2212.05538 | Bernard Raffaelli | Bernard Raffaelli | The overtone level spacing of a black hole quasinormal frequencies: a
fingerprint of a local $SL(2,\mathbb{R})$ symmetry | 9 pages, preliminary version. arXiv admin note: text overlap with
arXiv:2112.12543 | null | null | null | gr-qc | http://creativecommons.org/licenses/by/4.0/ | The imaginary part of the quasinormal frequencies spectrum for a static and
spherically symmetric black hole is analytically known to be equally spaced,
both for the highly damped and the weakly damped families of quasinormal modes.
Some interesting attempts have been made in the last twenty years to understand
in si... | [
{
"created": "Sun, 11 Dec 2022 16:36:17 GMT",
"version": "v1"
}
] | 2022-12-13 | [
[
"Raffaelli",
"Bernard",
""
]
] | The imaginary part of the quasinormal frequencies spectrum for a static and spherically symmetric black hole is analytically known to be equally spaced, both for the highly damped and the weakly damped families of quasinormal modes. Some interesting attempts have been made in the last twenty years to understand in simp... |
1206.1258 | Vishagan Sivanesan | Antonio Padilla and Vishagan Sivanesan | Boundary Terms and Junction Conditions for Generalized Scalar-Tensor
Theories | 13 pages, Equation corrected. Thanks to Tsutomu Kobayashi for
informing us of the typo | null | 10.1007/JHEP08(2012)122 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We compute the boundary terms and junction conditions for Horndeski's
panoptic class of scalar-tensor theories, and write the bulk and boundary
equations of motion in explicitly second order form. We consider a number of
special subclasses, including galileon theories, and present the corresponding
formulae. Our anal... | [
{
"created": "Wed, 6 Jun 2012 15:49:25 GMT",
"version": "v1"
},
{
"created": "Wed, 18 Dec 2013 16:03:02 GMT",
"version": "v2"
}
] | 2015-06-05 | [
[
"Padilla",
"Antonio",
""
],
[
"Sivanesan",
"Vishagan",
""
]
] | We compute the boundary terms and junction conditions for Horndeski's panoptic class of scalar-tensor theories, and write the bulk and boundary equations of motion in explicitly second order form. We consider a number of special subclasses, including galileon theories, and present the corresponding formulae. Our analys... |
1602.02921 | Hamid Reza Sepangi | M. Khodadi, K. Nozari, H. R. Sepangi | More on the initial singularity problem in gravity's rainbow cosmology | 19 pages, 4 figures | Gen. Rel. Grav. 48 (2016) 166 | 10.1007/s10714-016-2160-0 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Using a one-dimensional minisuperspace model with a dimensionless ratio
$\frac{E}{E_{Pl}}$, we study the initial singularity problem at the quantum
level for the closed rainbow cosmology with a homogeneous, isotropic classical
space-time background. We derive the classical Hamiltonian within the framework
of Schutz's... | [
{
"created": "Tue, 9 Feb 2016 10:10:36 GMT",
"version": "v1"
},
{
"created": "Mon, 4 Apr 2016 03:17:16 GMT",
"version": "v2"
},
{
"created": "Mon, 7 Nov 2016 05:53:28 GMT",
"version": "v3"
}
] | 2016-12-07 | [
[
"Khodadi",
"M.",
""
],
[
"Nozari",
"K.",
""
],
[
"Sepangi",
"H. R.",
""
]
] | Using a one-dimensional minisuperspace model with a dimensionless ratio $\frac{E}{E_{Pl}}$, we study the initial singularity problem at the quantum level for the closed rainbow cosmology with a homogeneous, isotropic classical space-time background. We derive the classical Hamiltonian within the framework of Schutz's f... |
0712.1429 | Ralf Schutzhold | Ralf Sch\"utzhold | Quantum back-reaction problems | 5 pages RevTeX, Proceedings to the workshop From Quantum to Emergent
Gravity: Theory and Phenomenology, June 11-15 2007, Trieste, Italy, published
in Proceedings of Science | PoSQG-Ph:036,2007 | null | null | gr-qc | null | The macroscopic behavior of many physical systems can be approximately
described by classical quantities. However, quantum theory demands the
existence of omnipresent quantum fluctuations on top of this classical
background -- which, albeit small, should have some impact onto its dynamics.
The correct treatment of th... | [
{
"created": "Mon, 10 Dec 2007 10:46:46 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Schützhold",
"Ralf",
""
]
] | The macroscopic behavior of many physical systems can be approximately described by classical quantities. However, quantum theory demands the existence of omnipresent quantum fluctuations on top of this classical background -- which, albeit small, should have some impact onto its dynamics. The correct treatment of this... |
2407.17753 | Lakshmi J Naik | O. P. Jyothilakshmi, Lakshmi J. Naik, V. Sreekanth | Aspects of Rotating Anisotropic Dark Energy Stars | 10 pages, 12 figures, 1 table | null | null | null | gr-qc astro-ph.HE nucl-th | http://creativecommons.org/licenses/by/4.0/ | By employing modified Chaplygin fluid prescription for the dark energy, we
construct slowly rotating isotropic and anisotropic dark energy stars. The slow
rotation is incorporated via general relativistic Hartle-Thorne formalism;
whereas the anisotropy is introduced through Bowers-Liang prescription. We
consider both... | [
{
"created": "Thu, 25 Jul 2024 04:08:19 GMT",
"version": "v1"
}
] | 2024-07-26 | [
[
"Jyothilakshmi",
"O. P.",
""
],
[
"Naik",
"Lakshmi J.",
""
],
[
"Sreekanth",
"V.",
""
]
] | By employing modified Chaplygin fluid prescription for the dark energy, we construct slowly rotating isotropic and anisotropic dark energy stars. The slow rotation is incorporated via general relativistic Hartle-Thorne formalism; whereas the anisotropy is introduced through Bowers-Liang prescription. We consider both t... |
gr-qc/0510109 | Alejandro Corichi | Alejandro Corichi, Jeronimo Cortez and Guillermo A. Mena Marugan | Unitary evolution in Gowdy cosmology | 5 pages, no figures. V2 discussion expanded, references added. Final
version to appear in PRD | Phys.Rev. D73 (2006) 041502 | 10.1103/PhysRevD.73.041502 | null | gr-qc hep-th | null | Recent results on the non-unitary character of quantum time evolution in the
family of Gowdy T**3 spacetimes bring the question of whether one should
renounce in cosmology to the most sacred principle of unitary evolution. In
this work we show that the answer is in the negative. We put forward a full
nonperturbative ... | [
{
"created": "Tue, 25 Oct 2005 17:48:54 GMT",
"version": "v1"
},
{
"created": "Wed, 18 Jan 2006 18:54:50 GMT",
"version": "v2"
}
] | 2009-11-11 | [
[
"Corichi",
"Alejandro",
""
],
[
"Cortez",
"Jeronimo",
""
],
[
"Marugan",
"Guillermo A. Mena",
""
]
] | Recent results on the non-unitary character of quantum time evolution in the family of Gowdy T**3 spacetimes bring the question of whether one should renounce in cosmology to the most sacred principle of unitary evolution. In this work we show that the answer is in the negative. We put forward a full nonperturbative ca... |
1903.07543 | Justin Ripley | Justin L Ripley and Frans Pretorius | Gravitational Collapse in Einstein dilaton Gauss-Bonnet Gravity | 35 pages, 11 figures, edited to resemble journal version | null | 10.1088/1361-6382/ab2416 | null | gr-qc astro-ph.CO hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present results from a numerical study of spherical gravitational collapse
in shift symmetric Einstein dilaton Gauss-Bonnet (EdGB) gravity. This modified
gravity theory has a single coupling parameter that when zero reduces to
general relativity (GR) minimally coupled to a massless scalar field. We first
show resu... | [
{
"created": "Mon, 18 Mar 2019 16:28:22 GMT",
"version": "v1"
},
{
"created": "Tue, 15 Oct 2019 12:46:50 GMT",
"version": "v2"
}
] | 2019-10-16 | [
[
"Ripley",
"Justin L",
""
],
[
"Pretorius",
"Frans",
""
]
] | We present results from a numerical study of spherical gravitational collapse in shift symmetric Einstein dilaton Gauss-Bonnet (EdGB) gravity. This modified gravity theory has a single coupling parameter that when zero reduces to general relativity (GR) minimally coupled to a massless scalar field. We first show result... |
1411.5203 | Zacharias Roupas | Zacharias Roupas | Thermal Mass limit of Neutron Cores | 8 pages, 8 figures, minor changes to match published version | Phys. Rev. D 91, 023001 (2015) | 10.1103/PhysRevD.91.023001 | null | gr-qc astro-ph.HE hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Static thermal equilibrium of a quantum self-gravitating ideal gas in general
relativity is studied at any temperature, taking into account the
Tolman-Ehrenfest effect. Thermal contribution to the gravitational stability of
static neutron cores is quantified. The curve of maximum mass with respect to
temperature is r... | [
{
"created": "Wed, 19 Nov 2014 12:43:41 GMT",
"version": "v1"
},
{
"created": "Wed, 7 Jan 2015 17:50:37 GMT",
"version": "v2"
}
] | 2015-01-08 | [
[
"Roupas",
"Zacharias",
""
]
] | Static thermal equilibrium of a quantum self-gravitating ideal gas in general relativity is studied at any temperature, taking into account the Tolman-Ehrenfest effect. Thermal contribution to the gravitational stability of static neutron cores is quantified. The curve of maximum mass with respect to temperature is rep... |
1706.06311 | Richard Brito | Richard Brito, Shrobana Ghosh, Enrico Barausse, Emanuele Berti, Vitor
Cardoso, Irina Dvorkin, Antoine Klein, Paolo Pani | Gravitational wave searches for ultralight bosons with LIGO and LISA | 23 pages, 14 Figures, 4 Tables; v2: references added, small changes
to match version published in Physical Review D | Phys. Rev. D 96, 064050 (2017) | 10.1103/PhysRevD.96.064050 | null | gr-qc astro-ph.HE hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Ultralight bosons can induce superradiant instabilities in spinning black
holes, tapping their rotational energy to trigger the growth of a bosonic
condensate. Possible observational imprints of these boson clouds include (i)
direct detection of the nearly monochromatic (resolvable or stochastic)
gravitational waves ... | [
{
"created": "Tue, 20 Jun 2017 08:27:59 GMT",
"version": "v1"
},
{
"created": "Wed, 4 Oct 2017 14:42:49 GMT",
"version": "v2"
}
] | 2017-10-05 | [
[
"Brito",
"Richard",
""
],
[
"Ghosh",
"Shrobana",
""
],
[
"Barausse",
"Enrico",
""
],
[
"Berti",
"Emanuele",
""
],
[
"Cardoso",
"Vitor",
""
],
[
"Dvorkin",
"Irina",
""
],
[
"Klein",
"Antoine",
""
],
[
... | Ultralight bosons can induce superradiant instabilities in spinning black holes, tapping their rotational energy to trigger the growth of a bosonic condensate. Possible observational imprints of these boson clouds include (i) direct detection of the nearly monochromatic (resolvable or stochastic) gravitational waves em... |
gr-qc/0508012 | Lorenzo Iorio | Lorenzo Iorio | On the impossibility of using certain existing spacecraft for the
measurement of the Lense-Thirring effect in the terrestrial gravitational
field | LaTex2e, 13 pages, no figures, no tables, 31 references. Reference
added, Section 2.4 added | null | null | null | gr-qc astro-ph physics.space-ph | null | In the context of the currently ongoing efforts to improve the accuracy and
reliability of the measurement of the Lense-Thirring effect in the
gravitational field of the Earth it has recently been proposed to use the data
from the existing spacecraft endowed with some active mechanisms of
compensation of the non-grav... | [
{
"created": "Tue, 2 Aug 2005 17:31:00 GMT",
"version": "v1"
},
{
"created": "Wed, 3 Aug 2005 13:41:09 GMT",
"version": "v2"
}
] | 2007-05-23 | [
[
"Iorio",
"Lorenzo",
""
]
] | In the context of the currently ongoing efforts to improve the accuracy and reliability of the measurement of the Lense-Thirring effect in the gravitational field of the Earth it has recently been proposed to use the data from the existing spacecraft endowed with some active mechanisms of compensation of the non-gravit... |
gr-qc/0003035 | Richard J. Epp | Richard J. Epp (Raman Research Institute, India) | Angular momentum and an invariant quasilocal energy in general
relativity | 54 pages LaTeX, no figures, includes brief summary of results,
submitted to Physical Review D | Phys.Rev. D62 (2000) 124018 | 10.1103/PhysRevD.62.124018 | null | gr-qc | null | Owing to its transformation property under local boosts, the Brown-York
quasilocal energy surface density is the analogue of E in the special
relativity formula: E^2-p^2=m^2. In this paper I will motivate the general
relativistic version of this formula, and thereby arrive at a geometrically
natural definition of an ... | [
{
"created": "Wed, 8 Mar 2000 21:42:03 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Epp",
"Richard J.",
"",
"Raman Research Institute, India"
]
] | Owing to its transformation property under local boosts, the Brown-York quasilocal energy surface density is the analogue of E in the special relativity formula: E^2-p^2=m^2. In this paper I will motivate the general relativistic version of this formula, and thereby arrive at a geometrically natural definition of an `i... |
2002.09208 | Yorgo Senikoglu | Tekin Dereli and Yorgo Senikoglu | A non-minimally coupled, conformally extended Einstein-Maxwell theory of
pp-waves | Title changed, some references added. Matches the published version | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | A non-minimal coupling of Weyl curvatures to electromagnetic fields is
considered in Brans-Dicke-Maxwell theory. The gravitational field equations are
formulated in a Riemannian spacetime where the spacetime torsion is constrained
to zero by the method of Lagrange multipliers in the language of exterior
differential ... | [
{
"created": "Fri, 21 Feb 2020 10:30:06 GMT",
"version": "v1"
},
{
"created": "Mon, 13 Apr 2020 07:27:29 GMT",
"version": "v2"
}
] | 2020-04-14 | [
[
"Dereli",
"Tekin",
""
],
[
"Senikoglu",
"Yorgo",
""
]
] | A non-minimal coupling of Weyl curvatures to electromagnetic fields is considered in Brans-Dicke-Maxwell theory. The gravitational field equations are formulated in a Riemannian spacetime where the spacetime torsion is constrained to zero by the method of Lagrange multipliers in the language of exterior differential fo... |
2002.05177 | Josu Aurrekoetxea | Josu C. Aurrekoetxea, Thomas Helfer, Eugene A. Lim | Coherent Gravitational Waveforms and Memory from Cosmic String Loops | 15 pages, 16 figures, 2 YouTube movies: https://youtu.be/-dhYA2788LA
https://youtu.be/0sSH54gXu4U | null | 10.1088/1361-6382/aba28b | KCL-PH-TH/2020-06 | gr-qc astro-ph.CO hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We construct, for the first time, the time-domain gravitational wave strain
waveform from the collapse of a strongly gravitating Abelian Higgs cosmic
string loop in full general relativity. We show that the strain exhibits a
large memory effect during merger, ending with a burst and the characteristic
ringdown as a b... | [
{
"created": "Wed, 12 Feb 2020 19:02:44 GMT",
"version": "v1"
},
{
"created": "Fri, 18 Sep 2020 09:06:45 GMT",
"version": "v2"
}
] | 2020-10-28 | [
[
"Aurrekoetxea",
"Josu C.",
""
],
[
"Helfer",
"Thomas",
""
],
[
"Lim",
"Eugene A.",
""
]
] | We construct, for the first time, the time-domain gravitational wave strain waveform from the collapse of a strongly gravitating Abelian Higgs cosmic string loop in full general relativity. We show that the strain exhibits a large memory effect during merger, ending with a burst and the characteristic ringdown as a bla... |
1903.11425 | Silvia Pla Garc\'ia | Antonio Ferreiro, Jose Navarro-Salas and Silvia Pla | Pair creation in electric fields, renormalization, and backreaction | 6 pages. Contribution to the Marcel Grossmann Meeting 2018 | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider pair production phenomena in spatially homogeneous strong
electric fields. We focus on spinor QED in two-dimensions and discuss the
potential ambiguity in the adiabatic order assignment for the electromagnetic
potential required to fix the renormalization subtractions. This ambiguity can
be univocally fix... | [
{
"created": "Wed, 27 Mar 2019 13:48:59 GMT",
"version": "v1"
}
] | 2019-03-28 | [
[
"Ferreiro",
"Antonio",
""
],
[
"Navarro-Salas",
"Jose",
""
],
[
"Pla",
"Silvia",
""
]
] | We consider pair production phenomena in spatially homogeneous strong electric fields. We focus on spinor QED in two-dimensions and discuss the potential ambiguity in the adiabatic order assignment for the electromagnetic potential required to fix the renormalization subtractions. This ambiguity can be univocally fixed... |
1207.4689 | Christian Roeken | Christian R\"oken | On the Nature of Black Holes in Loop Quantum Gravity | null | Class. Quantum Grav. 30 (2013) 015005 | 10.1088/0264-9381/30/1/015005 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | A genuine notion of black holes can only be obtained in the fundamental
framework of quantum gravity resolving the curvature singularities and giving
an account of the statistical mechanical, microscopic degrees of freedom able
to explain the black hole thermodynamical properties. As for all quantum
systems, a quantu... | [
{
"created": "Thu, 19 Jul 2012 14:39:55 GMT",
"version": "v1"
},
{
"created": "Wed, 15 Aug 2012 09:10:42 GMT",
"version": "v2"
},
{
"created": "Wed, 24 Oct 2012 13:03:28 GMT",
"version": "v3"
}
] | 2015-06-05 | [
[
"Röken",
"Christian",
""
]
] | A genuine notion of black holes can only be obtained in the fundamental framework of quantum gravity resolving the curvature singularities and giving an account of the statistical mechanical, microscopic degrees of freedom able to explain the black hole thermodynamical properties. As for all quantum systems, a quantum ... |
2112.06758 | Fabian L\'aszl\'o Konstantin Wagner | Fabian Wagner | Towards quantum Mechanics on the curved cotangent bundle | 18 pages. v3: version accepted for publication in CQG, some
paragraphs added, minor modifications to v2; v2: major changes - much more
streamlined and rigorous derivation and new results in comparison to v1 | null | 10.1088/1361-6382/ad1c36 | null | gr-qc hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The minimal-length paradigm is a cornerstone of quantum gravity
phenomenology. Recently, it has been demonstrated that minimal-length quantum
mechanics can alternatively be described as an undeformed theory set on a
nontrivial momentum space. However, there is no fully consistent formulation of
these theories beyond ... | [
{
"created": "Mon, 13 Dec 2021 16:08:19 GMT",
"version": "v1"
},
{
"created": "Tue, 21 Dec 2021 13:35:34 GMT",
"version": "v2"
},
{
"created": "Thu, 3 Feb 2022 17:43:13 GMT",
"version": "v3"
},
{
"created": "Thu, 11 Jan 2024 15:06:48 GMT",
"version": "v4"
}
] | 2024-01-12 | [
[
"Wagner",
"Fabian",
""
]
] | The minimal-length paradigm is a cornerstone of quantum gravity phenomenology. Recently, it has been demonstrated that minimal-length quantum mechanics can alternatively be described as an undeformed theory set on a nontrivial momentum space. However, there is no fully consistent formulation of these theories beyond Ca... |
1603.05836 | Paingalil Kunjan Suresh | N. Malsawmtluangi and P. K. Suresh | BB mode angular power spectrum of CMB from massive gravity | 11 pages, 7 figures | Astrophysics and Space Science, Vol 366, 113 (2021) | 10.1007/s10509-021-04017-2 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The BB-mode correlation angular power spectrum of CMB is studied for
primordial massive gravitational waves for several inflation models. The
comparative study of the angular power spectrum with the joint BICEP2/Keck
Array and Planck data suggests further constraint on the lower and upper bounds
on the mass of primor... | [
{
"created": "Fri, 18 Mar 2016 11:04:34 GMT",
"version": "v1"
},
{
"created": "Fri, 26 Nov 2021 06:25:08 GMT",
"version": "v2"
}
] | 2021-11-29 | [
[
"Malsawmtluangi",
"N.",
""
],
[
"Suresh",
"P. K.",
""
]
] | The BB-mode correlation angular power spectrum of CMB is studied for primordial massive gravitational waves for several inflation models. The comparative study of the angular power spectrum with the joint BICEP2/Keck Array and Planck data suggests further constraint on the lower and upper bounds on the mass of primordi... |
1812.05564 | Jose Navarro-Salas | Antonio Ferreiro and Jose Navarro-Salas | Running couplings from adiabatic regularization | Revised version. Some points clarified. New references added. 6
pages. To appear in Phys. Lett. B | null | 10.1016/j.physletb.2019.03.026 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We extend the adiabatic regularization method by introducing an arbitrary
mass scale $\mu$ in the construction of the subtraction terms. This allows us
to obtain, in a very robust way, the running of the coupling constants by
demanding $\mu$-invariance of the effective semiclassical (Maxwell-Einstein)
equations. In p... | [
{
"created": "Thu, 13 Dec 2018 18:32:26 GMT",
"version": "v1"
},
{
"created": "Wed, 20 Mar 2019 07:16:07 GMT",
"version": "v2"
}
] | 2019-03-27 | [
[
"Ferreiro",
"Antonio",
""
],
[
"Navarro-Salas",
"Jose",
""
]
] | We extend the adiabatic regularization method by introducing an arbitrary mass scale $\mu$ in the construction of the subtraction terms. This allows us to obtain, in a very robust way, the running of the coupling constants by demanding $\mu$-invariance of the effective semiclassical (Maxwell-Einstein) equations. In par... |
2011.03828 | Vasilis Oikonomou | V.K. Oikonomou, F.P. Fronimos | Non-minimally Coupled Einstein-Gauss-Bonnet Gravity with Massless
Gravitons: The Constant-roll Case | Invited publication for the EPJP special issue Modified Gravity
Theories and Cosmology | null | null | null | gr-qc astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this letter we study the behavior of non-minimally coupled
Einstein-Gauss-Bonnet gravity theories with the constant-roll condition.
Recalling the results of the striking GW170817 event, we demand that the
velocity of the gravitational waves is equated to unity in natural units,
meaning that $c_T^2=1$. This is a po... | [
{
"created": "Sat, 7 Nov 2020 18:40:45 GMT",
"version": "v1"
}
] | 2020-11-10 | [
[
"Oikonomou",
"V. K.",
""
],
[
"Fronimos",
"F. P.",
""
]
] | In this letter we study the behavior of non-minimally coupled Einstein-Gauss-Bonnet gravity theories with the constant-roll condition. Recalling the results of the striking GW170817 event, we demand that the velocity of the gravitational waves is equated to unity in natural units, meaning that $c_T^2=1$. This is a powe... |
2301.08200 | Micha{\l} Zawada | M. Naro\.znik, M. Bober, M. Zawada | Optical ultra-stable optical clock cavities as resonant mass
gravitational wave detectors in search for new physics | null | null | 10.1016/j.physletb.2023.138260 | null | gr-qc astro-ph.HE physics.atom-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We propose to use table-top-size ultra-stable optical cavities from the
state-of-the-art optical atomic clocks as bar gravitational wave detectors for
the frequencies higher than 2 kHz. We show that 2-20 kHz range of gravitational
waves' spectrum can be accessed with instruments below 2 meters in size. The
proposed c... | [
{
"created": "Thu, 19 Jan 2023 17:52:16 GMT",
"version": "v1"
}
] | 2023-11-27 | [
[
"Narożnik",
"M.",
""
],
[
"Bober",
"M.",
""
],
[
"Zawada",
"M.",
""
]
] | We propose to use table-top-size ultra-stable optical cavities from the state-of-the-art optical atomic clocks as bar gravitational wave detectors for the frequencies higher than 2 kHz. We show that 2-20 kHz range of gravitational waves' spectrum can be accessed with instruments below 2 meters in size. The proposed cav... |
gr-qc/0609084 | Kirill Bronnikov | K.A. Bronnikov, M.S. Chernakova, J.C. Fabris, N. Pinto-Neto, M.E.
Rodrigues | Cold black holes and conformal continuations | 15 pages, latex | Int.J.Mod.Phys.D17:25-42,2008 | 10.1142/S0218271808011845 | null | gr-qc | null | We study Einstein gravity minimally coupled to a scalar field in a static,
spherically symmetric space-time in four dimensions. Black hole solutions are
shown to exist for a phantom scalar field whose kinetic energy is negative.
These ``scalar black holes'' have an infinite horizon area and zero Hawking
temperature a... | [
{
"created": "Wed, 20 Sep 2006 18:12:36 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Bronnikov",
"K. A.",
""
],
[
"Chernakova",
"M. S.",
""
],
[
"Fabris",
"J. C.",
""
],
[
"Pinto-Neto",
"N.",
""
],
[
"Rodrigues",
"M. E.",
""
]
] | We study Einstein gravity minimally coupled to a scalar field in a static, spherically symmetric space-time in four dimensions. Black hole solutions are shown to exist for a phantom scalar field whose kinetic energy is negative. These ``scalar black holes'' have an infinite horizon area and zero Hawking temperature and... |
0806.0034 | Gonzalo Olmo | Ivan Agullo, Jose Navarro-Salas, Gonzalo J. Olmo, Leonard Parker | The Power Spectrum in de Sitter Inflation, Revisited | 4 pages | Phys.Rev.Lett.101:171301,2008 | 10.1103/PhysRevLett.101.171301 | null | gr-qc astro-ph hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We find that the amplitude of quantum fluctuations of the invariant de Sitter
vacuum coincides exactly with that of the vacuum of a comoving observer for a
massless scalar (inflaton) field. We propose redefining the actual physical
power spectrum as the difference between the amplitudes of the above vacua. An
inertia... | [
{
"created": "Fri, 30 May 2008 21:57:40 GMT",
"version": "v1"
}
] | 2010-05-12 | [
[
"Agullo",
"Ivan",
""
],
[
"Navarro-Salas",
"Jose",
""
],
[
"Olmo",
"Gonzalo J.",
""
],
[
"Parker",
"Leonard",
""
]
] | We find that the amplitude of quantum fluctuations of the invariant de Sitter vacuum coincides exactly with that of the vacuum of a comoving observer for a massless scalar (inflaton) field. We propose redefining the actual physical power spectrum as the difference between the amplitudes of the above vacua. An inertial ... |
gr-qc/0412087 | Peter Langfelder | Peter Langfelder and Robert B. Mann | A note on spherically symmetric naked singularities in general dimension | 16 pages, no figures, typos fixed | Class.Quant.Grav. 22 (2005) 1917-1932 | 10.1088/0264-9381/22/11/002 | null | gr-qc hep-th | null | We discuss generalizations of the recent theorem by Dafermos (hep-th/0403033)
forbidding a certain class of naked singularities in the spherical collapse of
a scalar field. Employing techniques similar to the ones Dafermos used, we
consider extending the theorem (1) to higher dimensions, (2) by including more
general... | [
{
"created": "Fri, 17 Dec 2004 20:27:20 GMT",
"version": "v1"
},
{
"created": "Fri, 11 Mar 2005 17:35:36 GMT",
"version": "v2"
}
] | 2009-11-10 | [
[
"Langfelder",
"Peter",
""
],
[
"Mann",
"Robert B.",
""
]
] | We discuss generalizations of the recent theorem by Dafermos (hep-th/0403033) forbidding a certain class of naked singularities in the spherical collapse of a scalar field. Employing techniques similar to the ones Dafermos used, we consider extending the theorem (1) to higher dimensions, (2) by including more general m... |
0907.0826 | Andrew DeBenedictis | A. DeBenedictis | On the black hole singularity issue in loop quantum gravity | 8 pages, 3 figures. Slightly expanded version of a presentation for
an invited talk at Theory Canada IV (2008), Montreal. References and
developments reported on (fairly) current as of the date of the conference
(June 2008) | Can.J.Phys.87:255-262,2009 | 10.1139/P08-077 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | This paper presents a brief overview on the issue of singularity resolution
in loop quantum gravity presented at the Theory Canada IV conference at the
Centre de Recherches Math\'{e}matiques at the Universit\'{e} de Montr\'{e}al
(June 4-7, 2008). The intended audience is theoretical physicists who are
non-specialist ... | [
{
"created": "Sun, 5 Jul 2009 06:17:20 GMT",
"version": "v1"
}
] | 2009-07-17 | [
[
"DeBenedictis",
"A.",
""
]
] | This paper presents a brief overview on the issue of singularity resolution in loop quantum gravity presented at the Theory Canada IV conference at the Centre de Recherches Math\'{e}matiques at the Universit\'{e} de Montr\'{e}al (June 4-7, 2008). The intended audience is theoretical physicists who are non-specialist in... |
gr-qc/9312010 | Sergey Tertychniy | S.Tertychniy | On the principles of description of time and space relationships in
frames of general relativity | 22 pages, uuencoded compressed PostScript, no local number | null | null | null | gr-qc | null | The problem of the referring of space and time relationships between physical
objects in a curved space-time is discussed. The basic notions of column and
weak column that could constitute the basis for consistent general relativistic
description of measurements of space and time relations are introduced and the
corr... | [
{
"created": "Fri, 3 Dec 1993 19:57:32 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Tertychniy",
"S.",
""
]
] | The problem of the referring of space and time relationships between physical objects in a curved space-time is discussed. The basic notions of column and weak column that could constitute the basis for consistent general relativistic description of measurements of space and time relations are introduced and the corres... |
2111.06986 | David Reitze | David Reitze, Michele Punturo, Peter Couvares, Stavros Katsanevas,
Takaaki Kajita, Vicky Kalogera, Harald Lueck, David McClelland, Sheila Rowan,
Gary Sanders, B.S. Sathyaprakash, David Shoemaker, Jo van den Brand | Expanding the Reach of Gravitational Wave Astronomy to the Edge of the
Universe: The Gravitational-Wave International Committee Study Reports on
Next Generation Ground-based Gravitational-Wave Observatories | 7 pages, no figures | null | null | null | gr-qc astro-ph.HE astro-ph.IM | http://creativecommons.org/licenses/by/4.0/ | The first direct detection of gravitational waves emitted from a pair of
merging black holes in 2015 has been heralded as one of most significant
scientific breakthroughs in physics and astronomy of the 21st century.
Motivated by the tremendous scientific opportunities now opened by
gravitational-wave observatories a... | [
{
"created": "Fri, 12 Nov 2021 23:46:06 GMT",
"version": "v1"
}
] | 2021-11-16 | [
[
"Reitze",
"David",
""
],
[
"Punturo",
"Michele",
""
],
[
"Couvares",
"Peter",
""
],
[
"Katsanevas",
"Stavros",
""
],
[
"Kajita",
"Takaaki",
""
],
[
"Kalogera",
"Vicky",
""
],
[
"Lueck",
"Harald",
""
],
... | The first direct detection of gravitational waves emitted from a pair of merging black holes in 2015 has been heralded as one of most significant scientific breakthroughs in physics and astronomy of the 21st century. Motivated by the tremendous scientific opportunities now opened by gravitational-wave observatories and... |
1005.5447 | Sergei Maydanyuk | Sergei P. Maydanyuk | Resonant structure of space-time of early universe | 18 pages, 14 figures, 4 tables | Eur.Phys.J.Plus 126:76,2011 | 10.1140/epjp/i2011-11076-x | null | gr-qc astro-ph.CO hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | A new fully quantum method describing penetration of packet from internal
well outside with its tunneling through the barrier of arbitrary shape used in
problems of quantum cosmology, is presented. The method allows to determine
amplitudes of wave function, penetrability $T_{\rm bar}$ and reflection $R_{\rm
bar}$ rel... | [
{
"created": "Sat, 29 May 2010 11:28:48 GMT",
"version": "v1"
}
] | 2011-08-17 | [
[
"Maydanyuk",
"Sergei P.",
""
]
] | A new fully quantum method describing penetration of packet from internal well outside with its tunneling through the barrier of arbitrary shape used in problems of quantum cosmology, is presented. The method allows to determine amplitudes of wave function, penetrability $T_{\rm bar}$ and reflection $R_{\rm bar}$ relat... |
1810.13313 | Kei Yamada | Yuya Nakamura, Daiki Kikuchi, Kei Yamada, Hideki Asada, Nicolas Yunes | Weakly-Gravitating Objects in dynamical Chern-Simons gravity and
Constraints with Gravity Probe B | 29 pages, 2 figures, submitted to CQG | null | 10.1088/1361-6382/ab04c5 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Solar system observations have traditionally allowed for very stringent tests
of Einstein's theory of general relativity. We here revisit the possibility of
using these observations to constrain gravitational parity violation as
encapsulated in dynamical Chern-Simons gravity. Working in the small-coupling
and post-Ne... | [
{
"created": "Wed, 31 Oct 2018 14:45:45 GMT",
"version": "v1"
}
] | 2019-05-22 | [
[
"Nakamura",
"Yuya",
""
],
[
"Kikuchi",
"Daiki",
""
],
[
"Yamada",
"Kei",
""
],
[
"Asada",
"Hideki",
""
],
[
"Yunes",
"Nicolas",
""
]
] | Solar system observations have traditionally allowed for very stringent tests of Einstein's theory of general relativity. We here revisit the possibility of using these observations to constrain gravitational parity violation as encapsulated in dynamical Chern-Simons gravity. Working in the small-coupling and post-Newt... |
1706.06735 | Jordan Keller | Jordan Keller | Decay of Solutions to the Maxwell Equations on Schwarzschild-de Sitter
Spacetimes | 26 pages; v2: updated references | null | null | null | gr-qc math-ph math.AP math.DG math.MP | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this work, we consider solutions of the Maxwell equations on the
Schwarzschild-de Sitter family of black hole spacetimes. We prove that, in the
static region bounded by black hole and cosmological horizons, solutions of the
Maxwell equations decay to stationary Coulomb solutions at a super-polynomial
rate, with de... | [
{
"created": "Wed, 21 Jun 2017 04:23:15 GMT",
"version": "v1"
},
{
"created": "Thu, 6 Jul 2017 16:23:45 GMT",
"version": "v2"
}
] | 2017-07-07 | [
[
"Keller",
"Jordan",
""
]
] | In this work, we consider solutions of the Maxwell equations on the Schwarzschild-de Sitter family of black hole spacetimes. We prove that, in the static region bounded by black hole and cosmological horizons, solutions of the Maxwell equations decay to stationary Coulomb solutions at a super-polynomial rate, with deca... |
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