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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2212.12427 | Jose Beltr\'an Jim\'enez | Katsuki Aoki, Jose Beltr\'an Jim\'enez, David Figueruelo | Some disquisitions on cosmological 2-form dualities | 52 pages. V2 matches published version with improved discussions and
additional appendix | null | 10.1088/1475-7516/2023/04/059 | YITP-22-158 | gr-qc astro-ph.CO hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this work we study different aspect of self-interacting 2-form fields with
special emphasis in their cosmological applications. We provide the explicit
construction of how massless 2-forms are compatible with the cosmological
principle without resorting to the dual scalar field formulation. In terms of
the 2-form,... | [
{
"created": "Thu, 22 Dec 2022 15:41:51 GMT",
"version": "v1"
},
{
"created": "Mon, 20 Nov 2023 17:39:31 GMT",
"version": "v2"
}
] | 2023-11-21 | [
[
"Aoki",
"Katsuki",
""
],
[
"Jiménez",
"Jose Beltrán",
""
],
[
"Figueruelo",
"David",
""
]
] | In this work we study different aspect of self-interacting 2-form fields with special emphasis in their cosmological applications. We provide the explicit construction of how massless 2-forms are compatible with the cosmological principle without resorting to the dual scalar field formulation. In terms of the 2-form, t... |
1606.07000 | Lionel Philippoz | H. Rizwana Kausar, Lionel Philippoz, Philippe Jetzer | Gravitational Wave Polarization Modes in $f(R)$ Theories | 7 pages; accepted for publication in Phys. Rev. D | Phys. Rev. D 93, 124071 (2016) | 10.1103/PhysRevD.93.124071 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Many studies have been carried out in the literature to evaluate the number
of polarization modes of gravitational waves in modified theories, in
particular in $f(R)$ theories. In the latter ones, besides the usual two
transverse-traceless tensor modes present in general relativity, there are two
additional scalar on... | [
{
"created": "Wed, 22 Jun 2016 16:07:12 GMT",
"version": "v1"
}
] | 2018-07-26 | [
[
"Kausar",
"H. Rizwana",
""
],
[
"Philippoz",
"Lionel",
""
],
[
"Jetzer",
"Philippe",
""
]
] | Many studies have been carried out in the literature to evaluate the number of polarization modes of gravitational waves in modified theories, in particular in $f(R)$ theories. In the latter ones, besides the usual two transverse-traceless tensor modes present in general relativity, there are two additional scalar ones... |
gr-qc/0506004 | Eloy Ay\'on-Beato | Eloy Ay\'on-Beato, Cuauhtemoc Campuzano, and Alberto Garc\'ia | Conformally Flat Noncircular Spacetimes | 7 pages | Phys.Rev. D74 (2006) 024014 | 10.1103/PhysRevD.74.024014 | CECS-PHY-05-09 | gr-qc hep-th | null | The general metric for conformally flat stationary cyclic symmetric
noncircular spacetimes is explicitly given. In spite of the complexity
introduced by the inclusion of noncircular contributions, the related metric is
derived via the full integration of the conformal flatness constraints. It is
also shown that the c... | [
{
"created": "Wed, 1 Jun 2005 04:59:20 GMT",
"version": "v1"
}
] | 2016-08-16 | [
[
"Ayón-Beato",
"Eloy",
""
],
[
"Campuzano",
"Cuauhtemoc",
""
],
[
"García",
"Alberto",
""
]
] | The general metric for conformally flat stationary cyclic symmetric noncircular spacetimes is explicitly given. In spite of the complexity introduced by the inclusion of noncircular contributions, the related metric is derived via the full integration of the conformal flatness constraints. It is also shown that the con... |
1607.05661 | Andrea Taracchini | Stanislav Babak, Andrea Taracchini, Alessandra Buonanno | Validating the effective-one-body model of spinning, precessing binary
black holes against numerical relativity | 16 pages, 8 figures | Phys. Rev. D 95, 024010 (2017) | 10.1103/PhysRevD.95.024010 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In Ref. [1], the properties of the first gravitational wave detected by LIGO,
GW150914, were measured by employing an effective-one-body (EOB) model of
precessing binary black holes whose underlying dynamics and waveforms were
calibrated to numerical-relativity (NR) simulations. Here, we perform the first
extensive c... | [
{
"created": "Tue, 19 Jul 2016 17:08:11 GMT",
"version": "v1"
}
] | 2017-01-11 | [
[
"Babak",
"Stanislav",
""
],
[
"Taracchini",
"Andrea",
""
],
[
"Buonanno",
"Alessandra",
""
]
] | In Ref. [1], the properties of the first gravitational wave detected by LIGO, GW150914, were measured by employing an effective-one-body (EOB) model of precessing binary black holes whose underlying dynamics and waveforms were calibrated to numerical-relativity (NR) simulations. Here, we perform the first extensive com... |
0809.2839 | J. E. Horvath | J.E. Horvath | Dark matter, dark energy and modern cosmology: the case for a Kuhnian
paradigm shift | 16 pp. 2 .ps figures | Cosmos Hist.5:287,2009 | null | null | gr-qc astro-ph physics.hist-ph physics.pop-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Several works in the last few years devoted to measure fundamental probes of
contemporary cosmology have suggested the existence of a delocalized dominant
component (the "dark energy"), in addition to the several-decade-old evidence
for "dark matter" other than ordinary baryons, both assuming the description of
gravi... | [
{
"created": "Wed, 17 Sep 2008 14:12:39 GMT",
"version": "v1"
}
] | 2014-11-18 | [
[
"Horvath",
"J. E.",
""
]
] | Several works in the last few years devoted to measure fundamental probes of contemporary cosmology have suggested the existence of a delocalized dominant component (the "dark energy"), in addition to the several-decade-old evidence for "dark matter" other than ordinary baryons, both assuming the description of gravity... |
2307.04041 | Tomas Ort\'in | Carmen G\'omez-Fayr\'en, Patrick Meessen and Tom\'as Ort\'in | Covariant generalized conserved charges of General Relativity | References added and some typos corrected. Version to be published in
JHEP | null | null | IFT-UAM/CSIC-23-076 | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Motivated by the current research of generalized symmetries and the
construction of conserved charges in pure Einstein gravity linearized over
Minkowski spacetime in Cartesian coordinates, we investigate, from a purely
classical point of view, the construction of these charges in a coordinate- and
frame-independent l... | [
{
"created": "Sat, 8 Jul 2023 20:21:44 GMT",
"version": "v1"
},
{
"created": "Fri, 4 Aug 2023 14:29:49 GMT",
"version": "v2"
},
{
"created": "Fri, 15 Sep 2023 09:14:20 GMT",
"version": "v3"
}
] | 2023-09-18 | [
[
"Gómez-Fayrén",
"Carmen",
""
],
[
"Meessen",
"Patrick",
""
],
[
"Ortín",
"Tomás",
""
]
] | Motivated by the current research of generalized symmetries and the construction of conserved charges in pure Einstein gravity linearized over Minkowski spacetime in Cartesian coordinates, we investigate, from a purely classical point of view, the construction of these charges in a coordinate- and frame-independent lan... |
2108.03573 | Sourabh Nampalliwar | Sourabh Nampalliwar | Strong field tests of gravity with electromagnetic and gravitational
waves | Contribution to the 2021 Gravitation session of the 55th Rencontres
de Moriond | null | null | null | gr-qc astro-ph.HE | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | For nearly a century, Einstein's theory of gravity has been the standard
theory for describing gravitational phenomena in our universe. Along with its
successes, limitations of the theory from theoretical (e.g., singularities) and
observational (e.g., dark matter/energy) perspectives have appeared. This has
led to pr... | [
{
"created": "Sun, 8 Aug 2021 06:02:44 GMT",
"version": "v1"
}
] | 2021-08-10 | [
[
"Nampalliwar",
"Sourabh",
""
]
] | For nearly a century, Einstein's theory of gravity has been the standard theory for describing gravitational phenomena in our universe. Along with its successes, limitations of the theory from theoretical (e.g., singularities) and observational (e.g., dark matter/energy) perspectives have appeared. This has led to prop... |
0908.3439 | Antonio De Felice | Antonio De Felice, Jean-Marc Gerard, and Teruaki Suyama | Cosmological perturbations of a perfect fluid and noncommutative
variables | 4 pages, uses RevTeX. Title modified, references and comments added. | Phys.Rev.D81:063527,2010 | 10.1103/PhysRevD.81.063527 | null | gr-qc astro-ph.CO hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We describe the linear cosmological perturbations of a perfect fluid at the
level of an action, providing thus an alternative to the standard approach
based only on the equations of motion. This action is suited not only to
perfect fluids with a barotropic equation of state, but also to those for which
the pressure d... | [
{
"created": "Mon, 24 Aug 2009 15:21:28 GMT",
"version": "v1"
},
{
"created": "Tue, 30 Mar 2010 03:07:03 GMT",
"version": "v2"
}
] | 2010-04-29 | [
[
"De Felice",
"Antonio",
""
],
[
"Gerard",
"Jean-Marc",
""
],
[
"Suyama",
"Teruaki",
""
]
] | We describe the linear cosmological perturbations of a perfect fluid at the level of an action, providing thus an alternative to the standard approach based only on the equations of motion. This action is suited not only to perfect fluids with a barotropic equation of state, but also to those for which the pressure dep... |
1708.00204 | Alexander B. Balakin | Alexander B. Balakin | The extended Einstein-Maxwell-aether-axion model: Exact solutions for
axionically controlled pp-wave aether modes | 8 pages, 0 figures. Replaced by the revised version published in
Modern Physics Letters A; Introduction is extended, Remark, additional
explanations and references are added | Modern Physics Letters A, 33 (2018), 1850050 | 10.1142/S0217732318500505 | null | gr-qc astro-ph.HE hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The extended Einstein-Maxwell-aether-axion model describes internal
interactions inside the system, which contains gravitational, electromagnetic
fields, the dynamic unit vector field describing the velocity of an aether, and
the pseudoscalar field associated with the axionic dark matter. The specific
feature of this... | [
{
"created": "Tue, 1 Aug 2017 08:47:33 GMT",
"version": "v1"
},
{
"created": "Sat, 17 Mar 2018 11:49:23 GMT",
"version": "v2"
}
] | 2018-03-20 | [
[
"Balakin",
"Alexander B.",
""
]
] | The extended Einstein-Maxwell-aether-axion model describes internal interactions inside the system, which contains gravitational, electromagnetic fields, the dynamic unit vector field describing the velocity of an aether, and the pseudoscalar field associated with the axionic dark matter. The specific feature of this m... |
gr-qc/9609024 | Hideki Asada | Hideki Asada and Masaru Shibata | Formulation for nonaxisymmetric uniformly rotating equilibrium
configurations in the second post-Newtonian approximation of general
relativity | 25 pages including 3 tables, REVTeX, 1 postscript figure included; to
appear in Physical Review D | Phys.Rev. D54 (1996) 4944-4954 | 10.1103/PhysRevD.54.4944 | null | gr-qc astro-ph | null | We present a formalism to obtain equilibrium configurations of uniformly
rotating fluid in the second post-Newtonian approximation of general
relativity. In our formalism, we need to solve 29 Poisson equations, but their
source terms decrease rapidly enough at the external region of the matter(i.e.,
at worst $O(r^{-4... | [
{
"created": "Tue, 10 Sep 1996 08:14:42 GMT",
"version": "v1"
}
] | 2009-10-28 | [
[
"Asada",
"Hideki",
""
],
[
"Shibata",
"Masaru",
""
]
] | We present a formalism to obtain equilibrium configurations of uniformly rotating fluid in the second post-Newtonian approximation of general relativity. In our formalism, we need to solve 29 Poisson equations, but their source terms decrease rapidly enough at the external region of the matter(i.e., at worst $O(r^{-4})... |
1505.03539 | Hans Arnold Winther | Hans A. Winther and Pedro G. Ferreira | The Vainshtein mechanism beyond the quasi-static approximation | 20 pages, 14 figures | Phys. Rev. D 92, 064005 (2015) | 10.1103/PhysRevD.92.064005 | null | gr-qc astro-ph.CO hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Theories of modified gravity, in both the linear and fully non-linear regime,
are often studied under the assumption that the evolution of the new (often
scalar) degree of freedom present in the theory is quasi-static. This
approximation significantly simplifies the study of the theory, and one often
has good reason ... | [
{
"created": "Wed, 13 May 2015 20:04:40 GMT",
"version": "v1"
}
] | 2015-09-09 | [
[
"Winther",
"Hans A.",
""
],
[
"Ferreira",
"Pedro G.",
""
]
] | Theories of modified gravity, in both the linear and fully non-linear regime, are often studied under the assumption that the evolution of the new (often scalar) degree of freedom present in the theory is quasi-static. This approximation significantly simplifies the study of the theory, and one often has good reason to... |
1605.03632 | Gabriel R. Bengochea | Gabriel Leon, Gabriel R. Bengochea, Susana J. Landau | Quasi-matter bounce and inflation in the light of the CSL model | 27 pages, including 6 figures, 2 tables and one Appendix. Final
version. Accepted in EPJC | Eur. Phys. J. C 76 (2016) 407 | 10.1140/epjc/s10052-016-4245-z | null | gr-qc astro-ph.CO quant-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The Continuous Spontaneous Localization (CSL) model has been proposed as a
possible solution to the quantum measurement problem by modifying the
Schr\"{o}dinger equation. In this work, we apply the CSL model to two
cosmological models of the early Universe: the matter bounce scenario and slow
roll inflation. In parti... | [
{
"created": "Wed, 11 May 2016 22:41:31 GMT",
"version": "v1"
},
{
"created": "Tue, 19 Jul 2016 23:41:50 GMT",
"version": "v2"
}
] | 2016-07-21 | [
[
"Leon",
"Gabriel",
""
],
[
"Bengochea",
"Gabriel R.",
""
],
[
"Landau",
"Susana J.",
""
]
] | The Continuous Spontaneous Localization (CSL) model has been proposed as a possible solution to the quantum measurement problem by modifying the Schr\"{o}dinger equation. In this work, we apply the CSL model to two cosmological models of the early Universe: the matter bounce scenario and slow roll inflation. In particu... |
1003.3328 | Carles Bona | C. Bona and C. Bona-Casas | Constraint-preserving boundary conditions in the 3+1 first-order
approach | Revised version, with conclusive numerical evidence. 23 pages, 12
figures | Phys.Rev.D82:064008,2010 | 10.1103/PhysRevD.82.064008 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | A set of energy-momentum constraint-preserving boundary conditions is
proposed for the first-order Z4 case. The stability of a simple numerical
implementation is tested in the linear regime (robust stability test), both
with the standard corner and vertex treatment and with a modified
finite-differences stencil for b... | [
{
"created": "Wed, 17 Mar 2010 09:07:12 GMT",
"version": "v1"
},
{
"created": "Fri, 6 Aug 2010 10:08:30 GMT",
"version": "v2"
}
] | 2014-11-20 | [
[
"Bona",
"C.",
""
],
[
"Bona-Casas",
"C.",
""
]
] | A set of energy-momentum constraint-preserving boundary conditions is proposed for the first-order Z4 case. The stability of a simple numerical implementation is tested in the linear regime (robust stability test), both with the standard corner and vertex treatment and with a modified finite-differences stencil for bou... |
1302.5884 | Salvatore Capozziello | S. Capozziello, O. Luongo, S. Mancini | Cosmological dark energy effects from entanglement | 5 pages, to be published in Phys. Lett. A | Physics Letters A 377 (2013) 1061-1064 | 10.1016/j.physleta.2013.02.038 | null | gr-qc astro-ph.CO hep-th quant-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The thorny issue of relating information theory to cosmology is here
addressed by assuming a possible connection between quantum entanglement
measures and observable universe. In particular, we propose a cosmological toy
model, where the equation of state of the cosmological fluid, which drives the
today observed cos... | [
{
"created": "Sun, 24 Feb 2013 08:50:52 GMT",
"version": "v1"
}
] | 2013-04-08 | [
[
"Capozziello",
"S.",
""
],
[
"Luongo",
"O.",
""
],
[
"Mancini",
"S.",
""
]
] | The thorny issue of relating information theory to cosmology is here addressed by assuming a possible connection between quantum entanglement measures and observable universe. In particular, we propose a cosmological toy model, where the equation of state of the cosmological fluid, which drives the today observed cosmi... |
1411.7248 | Victor Fleurov | Y. Vinish and V. Fleurov | Finite width of the sonic event horizon and grey body Hawking radiation | 13 pages, 2 figures | International Journal of Modern Physics B Vol. 30, No. 27 (2016)
1650197 (25 pages) | 10.1142/S0217979216501976 | null | gr-qc physics.optics quant-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Finite width of the analog event horizon is determined by the nonlinearity
length in the Kerr nonlinear optical system, which is discussed here, or by the
healing length in Bose-Einstein condensates. The various eigen modes of
fluctuations are found in the immediate vicinity of the event horizon and the
scattering ma... | [
{
"created": "Mon, 24 Nov 2014 13:44:53 GMT",
"version": "v1"
},
{
"created": "Thu, 4 Dec 2014 09:43:24 GMT",
"version": "v2"
},
{
"created": "Fri, 6 Mar 2015 21:46:12 GMT",
"version": "v3"
}
] | 2016-10-20 | [
[
"Vinish",
"Y.",
""
],
[
"Fleurov",
"V.",
""
]
] | Finite width of the analog event horizon is determined by the nonlinearity length in the Kerr nonlinear optical system, which is discussed here, or by the healing length in Bose-Einstein condensates. The various eigen modes of fluctuations are found in the immediate vicinity of the event horizon and the scattering matr... |
1807.06857 | Swami Vivekanandji Chaurasia | Swami Vivekanandji Chaurasia, Tim Dietrich, Nathan K.
Johnson-McDaniel, Maximiliano Ujevic, Wolfgang Tichy, and Bernd Br\"ugmann | Gravitational waves and mass ejecta from binary neutron star mergers:
Effect of large eccentricities | (26 pages, 17 figures), "CoRe webpage, see
http://www.computational-relativity.org/" | Phys. Rev. D 98, 104005 (2018) | 10.1103/PhysRevD.98.104005 | null | gr-qc astro-ph.HE | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | As current gravitational wave (GW) detectors increase in sensitivity, and
particularly as new instruments are being planned, there is the possibility
that ground-based GW detectors will observe GWs from highly eccentric neutron
star binaries. We present the first detailed study of highly eccentric BNS
systems with fu... | [
{
"created": "Wed, 18 Jul 2018 10:49:29 GMT",
"version": "v1"
},
{
"created": "Mon, 12 Nov 2018 10:19:58 GMT",
"version": "v2"
}
] | 2018-11-14 | [
[
"Chaurasia",
"Swami Vivekanandji",
""
],
[
"Dietrich",
"Tim",
""
],
[
"Johnson-McDaniel",
"Nathan K.",
""
],
[
"Ujevic",
"Maximiliano",
""
],
[
"Tichy",
"Wolfgang",
""
],
[
"Brügmann",
"Bernd",
""
]
] | As current gravitational wave (GW) detectors increase in sensitivity, and particularly as new instruments are being planned, there is the possibility that ground-based GW detectors will observe GWs from highly eccentric neutron star binaries. We present the first detailed study of highly eccentric BNS systems with full... |
1610.00922 | Sudan Hansraj | Sudan Hansraj | Generalised spheroidal spacetimes in 5-D
Einstein--Maxwell--Gauss--Bonnet gravity | 6 figures | null | 10.1140/epjc/s10052-017-5124-y | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The field equations for static EGBM gravity are obtained and transformed to
an equivalent form through a coordinate redefinition. A form for one of the
metric potentials that generalises the spheroidal ansatz of Vaidya--Tikekar
superdense stars and additionally prescribing the electric field intensity
yields viable s... | [
{
"created": "Tue, 4 Oct 2016 10:29:45 GMT",
"version": "v1"
},
{
"created": "Mon, 8 May 2017 15:33:31 GMT",
"version": "v2"
},
{
"created": "Tue, 6 Jun 2017 15:06:14 GMT",
"version": "v3"
}
] | 2017-09-13 | [
[
"Hansraj",
"Sudan",
""
]
] | The field equations for static EGBM gravity are obtained and transformed to an equivalent form through a coordinate redefinition. A form for one of the metric potentials that generalises the spheroidal ansatz of Vaidya--Tikekar superdense stars and additionally prescribing the electric field intensity yields viable sol... |
1903.04382 | Haopeng Yan | Haopeng Yan | Influence of a plasma on the observational signature of a high-spin Kerr
black hole | 16 pages, 3 figures. Revised in response to referee's comments,
references added. Accepted for publication in PRD | Phys. Rev. D 99, 084050 (2019) | 10.1103/PhysRevD.99.084050 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | To approach a more reliable observational signature of a high-spin Kerr black
hole, one should take into account the effects of its surroundings. To this end
we study in this paper the influence of a surrounding plasma. We consider its
refractive and dispersive effects on photon trajectories and ignore the
gravitatio... | [
{
"created": "Mon, 11 Mar 2019 15:45:21 GMT",
"version": "v1"
},
{
"created": "Wed, 10 Apr 2019 15:01:26 GMT",
"version": "v2"
}
] | 2019-05-08 | [
[
"Yan",
"Haopeng",
""
]
] | To approach a more reliable observational signature of a high-spin Kerr black hole, one should take into account the effects of its surroundings. To this end we study in this paper the influence of a surrounding plasma. We consider its refractive and dispersive effects on photon trajectories and ignore the gravitationa... |
0902.4810 | Aurelien Barrau | S. Alexeyev, A. Barrau, K.A. Rannu | Internal structure of a Maxwell-Gauss-Bonnet black hole | 5 pages, 5 figures, published version with minor changes | Phys.Rev.D79:067503,2009 | 10.1103/PhysRevD.79.067503 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The influence of the Maxwell field on a static, asymptotically flat and
spherically-symmetric Gauss-Bonnet black hole is considered. Numerical
computations suggest that if the charge increases beyond a critical value, the
inner determinant singularity is replaced by an inner singular horizon.
| [
{
"created": "Fri, 27 Feb 2009 11:58:40 GMT",
"version": "v1"
},
{
"created": "Mon, 30 Mar 2009 08:38:12 GMT",
"version": "v2"
}
] | 2009-11-13 | [
[
"Alexeyev",
"S.",
""
],
[
"Barrau",
"A.",
""
],
[
"Rannu",
"K. A.",
""
]
] | The influence of the Maxwell field on a static, asymptotically flat and spherically-symmetric Gauss-Bonnet black hole is considered. Numerical computations suggest that if the charge increases beyond a critical value, the inner determinant singularity is replaced by an inner singular horizon. |
2010.06387 | Scott Todd | Scott L. Todd, Giacomo Pantaleoni, Valentina Baccetti, Nicolas C.
Menicucci | Particle scattering in a sonic analogue of special relativity | 23 pages, 7 figures; updated manuscript to reflect published version
(changed title, corrected typos, updated references) | Phys. Rev. D 104, 064035 (2021) | 10.1103/PhysRevD.104.064035 | null | gr-qc quant-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate a simple toy model of particle scattering in the flat
spacetime limit of an analogue-gravity model. The analogue-gravity medium is
treated as a scalar field of phonons that obeys the Klein-Gordon equation and
thus admits a Lorentz symmetry with respect to $c_\mathrm{s}$, the speed of
sound in the mediu... | [
{
"created": "Tue, 13 Oct 2020 13:39:14 GMT",
"version": "v1"
},
{
"created": "Fri, 11 Feb 2022 04:23:15 GMT",
"version": "v2"
}
] | 2022-02-14 | [
[
"Todd",
"Scott L.",
""
],
[
"Pantaleoni",
"Giacomo",
""
],
[
"Baccetti",
"Valentina",
""
],
[
"Menicucci",
"Nicolas C.",
""
]
] | We investigate a simple toy model of particle scattering in the flat spacetime limit of an analogue-gravity model. The analogue-gravity medium is treated as a scalar field of phonons that obeys the Klein-Gordon equation and thus admits a Lorentz symmetry with respect to $c_\mathrm{s}$, the speed of sound in the medium.... |
2401.01815 | Alex Kirillov | A.A. Kirillov, E.P. Savelova | On properties of the distribution of virtual wormholes in a vacuum | 19 pages, no figures | null | null | null | gr-qc hep-th | http://creativecommons.org/licenses/by/4.0/ | A model of space-time foam in the form of an arbitrary distribution of
spherical Euclidean wormholes is considered. A method for constructing the
exact solution of Einstein's Euclidean equations for the metric corresponding
to this model is proposed. In the framework of our model we obtain the
expression for the Eucl... | [
{
"created": "Wed, 3 Jan 2024 16:18:53 GMT",
"version": "v1"
}
] | 2024-01-04 | [
[
"Kirillov",
"A. A.",
""
],
[
"Savelova",
"E. P.",
""
]
] | A model of space-time foam in the form of an arbitrary distribution of spherical Euclidean wormholes is considered. A method for constructing the exact solution of Einstein's Euclidean equations for the metric corresponding to this model is proposed. In the framework of our model we obtain the expression for the Euclid... |
1001.4195 | Jorma Louko | George T. Kottanattu, Jorma Louko | Topological geon black holes in Einstein-Yang-Mills theory | 27 pages. v3: Presentation expanded. Minor corrections and additions | Commun. Math. Phys. 303 (2011) 127-148 | 10.1007/s00220-011-1195-z | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We construct topological geon quotients of two families of
Einstein-Yang-Mills black holes. For Kuenzle's static, spherically symmetric
SU(n) black holes with n>2, a geon quotient exists but generically requires
promoting charge conjugation into a gauge symmetry. For Kleihaus and Kunz's
static, axially symmetric SU(2... | [
{
"created": "Sat, 23 Jan 2010 19:26:03 GMT",
"version": "v1"
},
{
"created": "Sat, 20 Mar 2010 19:55:39 GMT",
"version": "v2"
},
{
"created": "Tue, 15 Mar 2011 15:55:52 GMT",
"version": "v3"
}
] | 2011-03-16 | [
[
"Kottanattu",
"George T.",
""
],
[
"Louko",
"Jorma",
""
]
] | We construct topological geon quotients of two families of Einstein-Yang-Mills black holes. For Kuenzle's static, spherically symmetric SU(n) black holes with n>2, a geon quotient exists but generically requires promoting charge conjugation into a gauge symmetry. For Kleihaus and Kunz's static, axially symmetric SU(2) ... |
gr-qc/0009058 | Raphael Dias Martins De Paola | R.D.M. De Paola and N.F. Svaiter | A Rotating Vacuum and the Quantum Mach's Principle | 18 pages, notations for the Green's functions are corrected only.
ubmitted to Classical and Quantum Gravity | null | null | CBPF-NF-063/00 | gr-qc hep-th | null | In this work we consider a quantum analog of Newton's bucket experiment in a
flat spacetime: we take an Unruh-DeWitt detector in interaction with a real
massless scalar field. We calculate the detector's excitation rate when it is
uniformly rotating around some fixed point and the field is prepared in the
Minkowski v... | [
{
"created": "Fri, 15 Sep 2000 18:27:48 GMT",
"version": "v1"
},
{
"created": "Mon, 18 Sep 2000 18:05:28 GMT",
"version": "v2"
},
{
"created": "Thu, 19 Oct 2000 21:19:35 GMT",
"version": "v3"
}
] | 2007-05-23 | [
[
"De Paola",
"R. D. M.",
""
],
[
"Svaiter",
"N. F.",
""
]
] | In this work we consider a quantum analog of Newton's bucket experiment in a flat spacetime: we take an Unruh-DeWitt detector in interaction with a real massless scalar field. We calculate the detector's excitation rate when it is uniformly rotating around some fixed point and the field is prepared in the Minkowski vac... |
1602.06966 | Maria Laura Pucheu | M. L. Pucheu and F. A. P. Alves-Junior and A. B. Barreto and C. Romero | Cosmological models in Weyl geometrical scalar-tensor theory | 16 pages, 19 figures | Phys. Rev. D 94, 064010 (2016) | 10.1103/PhysRevD.94.064010 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate cosmological models in a recently proposed geometrical theory
of gravity, in which the scalar field appears as part of the space-time
geometry. We extend the previous theory to include a scalar potential in the
action. We solve the vacuum field equations for different choices of the scalar
potential an... | [
{
"created": "Mon, 22 Feb 2016 21:15:25 GMT",
"version": "v1"
},
{
"created": "Tue, 5 Jul 2016 19:23:30 GMT",
"version": "v2"
}
] | 2016-09-14 | [
[
"Pucheu",
"M. L.",
""
],
[
"Alves-Junior",
"F. A. P.",
""
],
[
"Barreto",
"A. B.",
""
],
[
"Romero",
"C.",
""
]
] | We investigate cosmological models in a recently proposed geometrical theory of gravity, in which the scalar field appears as part of the space-time geometry. We extend the previous theory to include a scalar potential in the action. We solve the vacuum field equations for different choices of the scalar potential and ... |
2107.07777 | Marcello Miranda | Marcello Miranda, Daniele Vernieri, Salvatore Capozziello, Francisco
S. N. Lobo | Effective Actions for Loop Quantum Cosmology in Fourth-Order Gravity | v1: 15 pages; v2: 16 pages. Matches published version in EPJC | Eur. Phys. J. C 81, 975 (2021) | 10.1140/epjc/s10052-021-09767-5 | null | gr-qc astro-ph.CO hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Loop Quantum Cosmology (LQC) is a theory which renders the Big Bang initial
singularity into a quantum bounce, by means of short range repulsive quantum
effects at the Planck scale. In this work, we are interested in reproducing the
effective Friedmann equation of LQC, by considering a generic $f(R,P,Q)$ theory
of gr... | [
{
"created": "Fri, 16 Jul 2021 09:05:09 GMT",
"version": "v1"
},
{
"created": "Tue, 23 Nov 2021 16:38:12 GMT",
"version": "v2"
}
] | 2021-11-25 | [
[
"Miranda",
"Marcello",
""
],
[
"Vernieri",
"Daniele",
""
],
[
"Capozziello",
"Salvatore",
""
],
[
"Lobo",
"Francisco S. N.",
""
]
] | Loop Quantum Cosmology (LQC) is a theory which renders the Big Bang initial singularity into a quantum bounce, by means of short range repulsive quantum effects at the Planck scale. In this work, we are interested in reproducing the effective Friedmann equation of LQC, by considering a generic $f(R,P,Q)$ theory of grav... |
gr-qc/0106037 | Hans-Juergen Schmidt | H.-J. Schmidt | The Newtonian limit of fourth-order gravity | 5 pages, LaTeX | Astron.Nachr. 307 (1986) 339 | null | Report UNIPO-MATH-01-Jun-07 | gr-qc | null | The weak-field slow-motion limit of fourth-order gravity will be discussed.
| [
{
"created": "Mon, 11 Jun 2001 14:35:13 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Schmidt",
"H. -J.",
""
]
] | The weak-field slow-motion limit of fourth-order gravity will be discussed. |
0910.3784 | Valentin Kuzmichev | V. E. Kuzmichev, V. V. Kuzmichev (Bogolyubov Institute for Theoretical
Physics) | Universe on Extremely Small Spacetime Scales: Quantum Geometrodynamical
Approach | 18 pages, 4 EPS figure | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The semi-classical approach to the quantum geometrodynamical model is used
for the description of the properties of the universe on extremely small
spacetime scales. Quantum theory for a homogeneous, isotropic and closed
universe is constructed on the basis of a Hamiltonian formalism with the use of
material referenc... | [
{
"created": "Tue, 20 Oct 2009 09:34:04 GMT",
"version": "v1"
}
] | 2009-10-21 | [
[
"Kuzmichev",
"V. E.",
"",
"Bogolyubov Institute for Theoretical\n Physics"
],
[
"Kuzmichev",
"V. V.",
"",
"Bogolyubov Institute for Theoretical\n Physics"
]
] | The semi-classical approach to the quantum geometrodynamical model is used for the description of the properties of the universe on extremely small spacetime scales. Quantum theory for a homogeneous, isotropic and closed universe is constructed on the basis of a Hamiltonian formalism with the use of material reference ... |
gr-qc/9910033 | Bernard F. Schutz | Bernard F Schutz | Getting Ready for GEO600 Data | 17 pages, 7 figures, proceedings of Yukawa International Seminar 1999 | Prog.Theor.Phys.Suppl.136:168-182,1999 | 10.1143/PTPS.136.168 | AEI-1999-26 | gr-qc | null | Data of good quality is expected from a number of gravitational wave
detectors within the next two years. One of these, GEO600, has special
capabilities, such as narrow-band operation. I describe here the preparations
that are currently being made for the analysis of GEO600 data.
| [
{
"created": "Sun, 10 Oct 1999 17:33:51 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Schutz",
"Bernard F",
""
]
] | Data of good quality is expected from a number of gravitational wave detectors within the next two years. One of these, GEO600, has special capabilities, such as narrow-band operation. I describe here the preparations that are currently being made for the analysis of GEO600 data. |
0808.3729 | Arunava Bhadra Dr. | A. Bhadra and K. K. Nandi | Gravitational time advancement and its possible detection | 5 pages, 4 figures, a part of the work has been changed in the
revised version | Gen. Rel, Grav. 42 (2010) 293- 302 | 10.1007/s10714-009-0842-6 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The gravitational time advancement is a natural but a consequence of curve
space-time geometry. In the present work the expressions of gravitational time
advancement have been obtained for geodesic motions. The situation when the
distance of signal travel is small in comparison to the distance of closest
approach has... | [
{
"created": "Wed, 27 Aug 2008 16:00:53 GMT",
"version": "v1"
},
{
"created": "Fri, 5 Dec 2008 15:18:52 GMT",
"version": "v2"
}
] | 2010-02-03 | [
[
"Bhadra",
"A.",
""
],
[
"Nandi",
"K. K.",
""
]
] | The gravitational time advancement is a natural but a consequence of curve space-time geometry. In the present work the expressions of gravitational time advancement have been obtained for geodesic motions. The situation when the distance of signal travel is small in comparison to the distance of closest approach has a... |
2302.00254 | Chen-Hsu Chien | Chen-Hsu Chien, Gansukh Tumurtushaa, and Dong-han Yeom | Wheeler-DeWitt equation beyond the cosmological horizon: Annihilation to
nothing, infinity avoidance, and loss of quantum coherence | 10 pages, 7 figures, and comments welcome | null | 10.1103/PhysRevD.108.023530 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate the Schwarzschild-(anti) de Sitter spacetime with the
anisotropic metric ansatz. The Wheeler-DeWitt equation for such a metric is
solved numerically. In the presence of the cosmological constant $\Lambda$, we
show that two classical wave packets can be annihilated inside the black hole
horizon, i.e., t... | [
{
"created": "Wed, 1 Feb 2023 05:30:55 GMT",
"version": "v1"
},
{
"created": "Tue, 1 Aug 2023 11:11:04 GMT",
"version": "v2"
}
] | 2023-08-09 | [
[
"Chien",
"Chen-Hsu",
""
],
[
"Tumurtushaa",
"Gansukh",
""
],
[
"Yeom",
"Dong-han",
""
]
] | We investigate the Schwarzschild-(anti) de Sitter spacetime with the anisotropic metric ansatz. The Wheeler-DeWitt equation for such a metric is solved numerically. In the presence of the cosmological constant $\Lambda$, we show that two classical wave packets can be annihilated inside the black hole horizon, i.e., the... |
2003.08778 | Naveena Kumara A | Kartheek Hegde, A. Naveena Kumara, C.L. Ahmed Rizwan, Ajith K.M., Md
Sabir Ali | Thermodynamics, Phase Transition and Joule Thomson Expansion of novel
4-D Gauss Bonnet AdS Black Hole | 11 pages, 9 figures | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate the thermodynamic behaviour of the four dimension Gauss Bonnet
black hole, proposed in [Phys. Rev. Lett. 124, 081301 (2020)], in the AdS
background . We study the thermodynamics in extended phase space, where the
cosmological constant is taken as the thermodynamic pressure. The black hole
exhibits a ph... | [
{
"created": "Thu, 19 Mar 2020 13:43:46 GMT",
"version": "v1"
}
] | 2020-03-20 | [
[
"Hegde",
"Kartheek",
""
],
[
"Kumara",
"A. Naveena",
""
],
[
"Rizwan",
"C. L. Ahmed",
""
],
[
"M.",
"Ajith K.",
""
],
[
"Ali",
"Md Sabir",
""
]
] | We investigate the thermodynamic behaviour of the four dimension Gauss Bonnet black hole, proposed in [Phys. Rev. Lett. 124, 081301 (2020)], in the AdS background . We study the thermodynamics in extended phase space, where the cosmological constant is taken as the thermodynamic pressure. The black hole exhibits a phas... |
2111.02178 | Adam Bauer | Adam Bauer and Alejandro C\'ardenas-Avenda\~no and Charles F. Gammie
and Nicol\'as Yunes | Spherical accretion in alternative theories of gravity | 15 pages, 7 figures | The Astrophysical Journal, 925:119, 2022 | 10.3847/1538-4357/ac3a03 | null | gr-qc astro-ph.HE | http://creativecommons.org/licenses/by/4.0/ | The groundbreaking image of the black hole at the center of the M87 galaxy
has raised questions at the intersection of observational astronomy and black
hole physics. How well can the radius of a black hole shadow can be measured,
and can this measurement be used to distinguish general relativity from other
theories ... | [
{
"created": "Wed, 3 Nov 2021 12:38:53 GMT",
"version": "v1"
},
{
"created": "Thu, 4 Nov 2021 12:45:04 GMT",
"version": "v2"
},
{
"created": "Mon, 15 Nov 2021 23:07:28 GMT",
"version": "v3"
}
] | 2022-02-02 | [
[
"Bauer",
"Adam",
""
],
[
"Cárdenas-Avendaño",
"Alejandro",
""
],
[
"Gammie",
"Charles F.",
""
],
[
"Yunes",
"Nicolás",
""
]
] | The groundbreaking image of the black hole at the center of the M87 galaxy has raised questions at the intersection of observational astronomy and black hole physics. How well can the radius of a black hole shadow can be measured, and can this measurement be used to distinguish general relativity from other theories of... |
2010.11823 | Samoil Bilenky M. | S. M. Bilenky | Basics of General Theory of Relativity for Beginners | null | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present a basics of the Einstein General Theory of Relativity. In the
first part of this review we derive relations of Riemann geometry which are
used in the General Relativity. In the second part we discuss Einstein
Equations and some of its consequences (The Schwarzschild solution,
gravitational waves, Friedman ... | [
{
"created": "Thu, 15 Oct 2020 19:54:06 GMT",
"version": "v1"
}
] | 2020-10-23 | [
[
"Bilenky",
"S. M.",
""
]
] | We present a basics of the Einstein General Theory of Relativity. In the first part of this review we derive relations of Riemann geometry which are used in the General Relativity. In the second part we discuss Einstein Equations and some of its consequences (The Schwarzschild solution, gravitational waves, Friedman Eq... |
1809.05108 | Laura Bernard | Lorenzo Annulli, Laura Bernard, Diego Blas and Vitor Cardoso | Scattering of scalar, electromagnetic and gravitational waves from
binary systems | 19 pages, 3 figures, to appear in PRD | null | 10.1103/PhysRevD.98.084001 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The direct detection of gravitational waves crowns decades of efforts in the
modelling of sources and of increasing detectors' sensitivity. With future
third-generation Earth-based detectors or space-based observatories,
gravitational-wave astronomy will be at its full bloom. Previously
brushed-aside questions on env... | [
{
"created": "Thu, 13 Sep 2018 18:00:12 GMT",
"version": "v1"
}
] | 2018-10-17 | [
[
"Annulli",
"Lorenzo",
""
],
[
"Bernard",
"Laura",
""
],
[
"Blas",
"Diego",
""
],
[
"Cardoso",
"Vitor",
""
]
] | The direct detection of gravitational waves crowns decades of efforts in the modelling of sources and of increasing detectors' sensitivity. With future third-generation Earth-based detectors or space-based observatories, gravitational-wave astronomy will be at its full bloom. Previously brushed-aside questions on envir... |
1904.01455 | Upala Mukhopadhyay | Upala Mukhopadhyay, Debasish Majumdar | Swampland Criteria in the Slotheon Field Dark Energy | 15 pages LaTeX, 5 figures | Phys. Rev. D 100, 024006 (2019) | 10.1103/PhysRevD.100.024006 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We explore in this work whether Slotheon model of Dark Energy obeys the
Swampland criteria of string theory. Since de Sitter vacuum is very difficult
to construct in string theory the cosmological constant as an explanation of
Dark Energy is almost ruled out in string theory since it involves a scalar
potential $V$ w... | [
{
"created": "Tue, 2 Apr 2019 14:22:04 GMT",
"version": "v1"
},
{
"created": "Fri, 2 Aug 2019 10:41:50 GMT",
"version": "v2"
}
] | 2019-08-05 | [
[
"Mukhopadhyay",
"Upala",
""
],
[
"Majumdar",
"Debasish",
""
]
] | We explore in this work whether Slotheon model of Dark Energy obeys the Swampland criteria of string theory. Since de Sitter vacuum is very difficult to construct in string theory the cosmological constant as an explanation of Dark Energy is almost ruled out in string theory since it involves a scalar potential $V$ wit... |
2004.03233 | Yuri Pavlov | A. A. Grib, Yu. V. Pavlov | Particles with negative energies in nonrelativistic and relativistic
cases | 10 pages | Symmetry 12 (2020) 528 | 10.3390/sym12040528 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | States of particles with negative energies are considered for the
nonrelativistic and relativistic cases. In nonrelativistic case it is shown
that the decays close to the attracting center can lead to the situation
similar to the Penrose effect for rotating black hole when the energy of one of
the fragments is larger... | [
{
"created": "Tue, 7 Apr 2020 09:56:15 GMT",
"version": "v1"
}
] | 2020-04-08 | [
[
"Grib",
"A. A.",
""
],
[
"Pavlov",
"Yu. V.",
""
]
] | States of particles with negative energies are considered for the nonrelativistic and relativistic cases. In nonrelativistic case it is shown that the decays close to the attracting center can lead to the situation similar to the Penrose effect for rotating black hole when the energy of one of the fragments is larger t... |
1501.05394 | Fan Zhang | Fan Zhang and Sean T. McWilliams and Harald P. Pfeiffer | Stability of exact force-free electrodynamic solutions and scattering
from spacetime curvature | 33 pages, 21 figures; V2 updated to match published version | Phys. Rev. D 92, 024049 (2015) | 10.1103/PhysRevD.92.024049 | null | gr-qc astro-ph.HE | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Recently, a family of exact force-free electrodynamic (FFE) solutions was
given by Brennan, Gralla and Jacobson, which generalizes earlier solutions by
Michel, Menon and Dermer, and other authors. These solutions have been proposed
as useful models for describing the outer magnetosphere of conducting stars. As
with a... | [
{
"created": "Thu, 22 Jan 2015 05:10:19 GMT",
"version": "v1"
},
{
"created": "Fri, 31 Jul 2015 04:21:32 GMT",
"version": "v2"
}
] | 2015-08-03 | [
[
"Zhang",
"Fan",
""
],
[
"McWilliams",
"Sean T.",
""
],
[
"Pfeiffer",
"Harald P.",
""
]
] | Recently, a family of exact force-free electrodynamic (FFE) solutions was given by Brennan, Gralla and Jacobson, which generalizes earlier solutions by Michel, Menon and Dermer, and other authors. These solutions have been proposed as useful models for describing the outer magnetosphere of conducting stars. As with any... |
1504.07657 | Vladimir Ivashchuk | M.E. Abishev, K.A. Boshkayev, V.D. Dzhunushaliev and V.D. Ivashchuk | Dilatonic dyon black hole solutions | 20 pages, 2 figures, 2 tables, Latex. Revised version: 6 refs., 3
remarks, a paragraph in Conclusion and several sentences or phrases are
added; in Sect. 5 numerics are replaced to the end | null | null | IGC-PFUR-15-04-03r | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Dilatonic black hole dyon solutions with arbitrary dilatonic coupling
constant $\lambda \neq 0$ and canonical sign $\varepsilon = +1$ for scalar
field kynetic term are considered. These solutions are defined up to solutions
of two master equations for moduli funtions. For $\lambda^2 \neq 1/2$ the
solutions are extend... | [
{
"created": "Tue, 28 Apr 2015 20:58:39 GMT",
"version": "v1"
},
{
"created": "Fri, 12 Jun 2015 19:53:54 GMT",
"version": "v2"
}
] | 2015-06-15 | [
[
"Abishev",
"M. E.",
""
],
[
"Boshkayev",
"K. A.",
""
],
[
"Dzhunushaliev",
"V. D.",
""
],
[
"Ivashchuk",
"V. D.",
""
]
] | Dilatonic black hole dyon solutions with arbitrary dilatonic coupling constant $\lambda \neq 0$ and canonical sign $\varepsilon = +1$ for scalar field kynetic term are considered. These solutions are defined up to solutions of two master equations for moduli funtions. For $\lambda^2 \neq 1/2$ the solutions are extended... |
2011.03036 | Rebecca Ewing | Becca Ewing, Surabhi Sachdev, Ssohrab Borhanian, B.S. Sathyaprakash | Archival searches for stellar-mass binary black holes in LISA | 12 pages, 7 figures | Phys. Rev. D 103, 023025 (2021) | 10.1103/PhysRevD.103.023025 | null | gr-qc astro-ph.HE | http://creativecommons.org/licenses/by/4.0/ | Stellar-mass binary black holes will sweep through the frequency band of the
Laser Interferometer Space Antenna (LISA) for months to years before appearing
in the audio-band of ground-based gravitational-wave detectors. One can expect
several tens of these events up to a distance of $500 \,\mathrm{Mpc}$ each
year. Th... | [
{
"created": "Thu, 5 Nov 2020 18:49:57 GMT",
"version": "v1"
}
] | 2021-02-03 | [
[
"Ewing",
"Becca",
""
],
[
"Sachdev",
"Surabhi",
""
],
[
"Borhanian",
"Ssohrab",
""
],
[
"Sathyaprakash",
"B. S.",
""
]
] | Stellar-mass binary black holes will sweep through the frequency band of the Laser Interferometer Space Antenna (LISA) for months to years before appearing in the audio-band of ground-based gravitational-wave detectors. One can expect several tens of these events up to a distance of $500 \,\mathrm{Mpc}$ each year. The ... |
2006.01642 | Z. Yousaf | Z. Yousaf | Definition of Complexity Factor for Self-Gravitating Systems in Palatini
$f(R)$ Gravity | 20 pages, 0 figures, version published in Physica Scripta | Phys. Scr. 95, 075307 (2020) | 10.1088/1402-4896/ab9479 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The aim of this paper is to explore the complexity factor (CF) for those
self-gravitating relativistic spheres whose evolution proceeds non-dynamically.
We are adopting the definition of CF mentioned in \cite{PhysRevD.97.044010},
modifying it to the static spherically symmetric case, within the framework of
a modifie... | [
{
"created": "Sat, 30 May 2020 13:32:59 GMT",
"version": "v1"
}
] | 2020-06-03 | [
[
"Yousaf",
"Z.",
""
]
] | The aim of this paper is to explore the complexity factor (CF) for those self-gravitating relativistic spheres whose evolution proceeds non-dynamically. We are adopting the definition of CF mentioned in \cite{PhysRevD.97.044010}, modifying it to the static spherically symmetric case, within the framework of a modified ... |
gr-qc/9901026 | Rong Gen Cai | Rong-Gen Cai | Critical behavior in black hole thermodynamics | Revtex, 5 pages, talk given at 5th Italian-Korean Symposium on
Relativistic Astrophysics, Seoul and Suanbo, Korea, 1-7 Sept.1997 | J.Korean Phys.Soc.33:s477-S482,1998 | null | null | gr-qc | null | In this talk I introduce the critical behavior occurring at the extremal
limit of black holes. The extremal limit of black holes is a critical point and
a phase transition takes place from the extremal black holes to their
nonextremal counterparts. Some critical exponents satisfying the scaling laws
are obtained. Fro... | [
{
"created": "Sat, 9 Jan 1999 06:44:08 GMT",
"version": "v1"
}
] | 2011-07-19 | [
[
"Cai",
"Rong-Gen",
""
]
] | In this talk I introduce the critical behavior occurring at the extremal limit of black holes. The extremal limit of black holes is a critical point and a phase transition takes place from the extremal black holes to their nonextremal counterparts. Some critical exponents satisfying the scaling laws are obtained. From ... |
2303.15094 | Garrett Gould | Garrett Gould | Higher Order Corrections to Antisymmetric Spherical Solutions in $f(R)$
gravity | 12 pages, 4 figures | null | null | null | gr-qc | http://creativecommons.org/licenses/by/4.0/ | The static, spherical solutions that exhibit an antisymmetry between the
temporal and radial coordinates in $f(R)$ gravity theories are presented. I
present the constraint for this antisymmetry and show that pure $R^2$ models
produce these solutions. An asymptotic expansion approach is taken to find the
solutions, pr... | [
{
"created": "Mon, 27 Mar 2023 11:01:47 GMT",
"version": "v1"
}
] | 2023-03-28 | [
[
"Gould",
"Garrett",
""
]
] | The static, spherical solutions that exhibit an antisymmetry between the temporal and radial coordinates in $f(R)$ gravity theories are presented. I present the constraint for this antisymmetry and show that pure $R^2$ models produce these solutions. An asymptotic expansion approach is taken to find the solutions, pres... |
1902.05130 | Enrico Barausse | Olivier Sarbach, Enrico Barausse and Jorge A. Preciado-L\'opez | Well-posed Cauchy formulation for Einstein-\ae ther theory | 20 pages, no figures. Minor changes to match version accepted for
publication in CQG | Class. Quantum Grav. 36 165007 (2019) | 10.1088/1361-6382/ab2e13 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the well-posedness of the initial value (Cauchy) problem of vacuum
Einstein-aether theory. The latter is a Lorentz-violating gravitational theory
consisting of General Relativity with a dynamical timelike 'aether' vector
field, which selects a 'preferred time' direction at each spacetime event. The
Einstein-... | [
{
"created": "Wed, 13 Feb 2019 21:03:46 GMT",
"version": "v1"
},
{
"created": "Thu, 27 Jun 2019 07:46:01 GMT",
"version": "v2"
}
] | 2019-08-08 | [
[
"Sarbach",
"Olivier",
""
],
[
"Barausse",
"Enrico",
""
],
[
"Preciado-López",
"Jorge A.",
""
]
] | We study the well-posedness of the initial value (Cauchy) problem of vacuum Einstein-aether theory. The latter is a Lorentz-violating gravitational theory consisting of General Relativity with a dynamical timelike 'aether' vector field, which selects a 'preferred time' direction at each spacetime event. The Einstein-ae... |
0812.4020 | Jorge Rocha | Jorge V. Rocha | Analytic Approaches to the Study of Small Scale Structure on Cosmic
String Networks | 119 pages, 14 figures, Ph.D. thesis (advisor: Joseph G. Polchinski) | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present an analytic model specifically designed to address the long
standing issue of small scale structure on cosmic string networks. The model is
derived from the microscopic string equations, together with a few motivated
assumptions. The resulting form of the correlation between two points on a
string is explo... | [
{
"created": "Sat, 20 Dec 2008 01:23:59 GMT",
"version": "v1"
}
] | 2008-12-23 | [
[
"Rocha",
"Jorge V.",
""
]
] | We present an analytic model specifically designed to address the long standing issue of small scale structure on cosmic string networks. The model is derived from the microscopic string equations, together with a few motivated assumptions. The resulting form of the correlation between two points on a string is exploit... |
gr-qc/9610017 | Herbert Balasin | H.Balasin | Colombeau's Generalized Functions on Arbitrary Manifolds | 10 pages, latex2e, amstex macros, no figures | null | null | Alberta-Thy-35-96, TUW96-20 | gr-qc | null | We extend the Colombeau algebra of generalized functions to arbitrary
(infinitely differentiable, paracompact) n-dimensional manifolds M. Embedding
of continuous functions and distributions is achieved with the help of a family
of n-forms defined on the tangent bundle TM, which form a partition of unity
upon integrat... | [
{
"created": "Thu, 10 Oct 1996 21:48:25 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Balasin",
"H.",
""
]
] | We extend the Colombeau algebra of generalized functions to arbitrary (infinitely differentiable, paracompact) n-dimensional manifolds M. Embedding of continuous functions and distributions is achieved with the help of a family of n-forms defined on the tangent bundle TM, which form a partition of unity upon integratio... |
1305.7075 | Fabrizio De Marchi | Massimo Bassan, Fabrizio De Marchi, Lorenzo Marconi, Giuseppe Pucacco,
Ruggero Stanga, Massimo Visco | Torsion pendulum revisited | 17 pages, 4 figures | Physics Letters A Volume 377 (25) Elsevier 2013 | 10.1016/j.physleta.2013.04.017 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present an analysis of the motion of a simple torsion pendulum and we
describe how, with straightforward extensions to the usual basic dynamical
model, we succeed in explaining some unexpected features we found in our data,
like the modulation of the torsion mode at a higher frequency and the frequency
splitting o... | [
{
"created": "Thu, 30 May 2013 12:25:24 GMT",
"version": "v1"
}
] | 2013-05-31 | [
[
"Bassan",
"Massimo",
""
],
[
"De Marchi",
"Fabrizio",
""
],
[
"Marconi",
"Lorenzo",
""
],
[
"Pucacco",
"Giuseppe",
""
],
[
"Stanga",
"Ruggero",
""
],
[
"Visco",
"Massimo",
""
]
] | We present an analysis of the motion of a simple torsion pendulum and we describe how, with straightforward extensions to the usual basic dynamical model, we succeed in explaining some unexpected features we found in our data, like the modulation of the torsion mode at a higher frequency and the frequency splitting of ... |
2104.11913 | Malcolm MacCallum | M. A. H. MacCallum | Spacetimes with continuous linear isotropies II: boosts | Title amended. This is the 'author's accepted manuscript'. To appear
in General Relativity and Gravitation. In press. Paper I also in press. Paper
III will follow | null | 10.1007/s10714-021-02827-x | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Conditions are found which ensure that local boost invariance (LBI),
invariance under a linear boost isotropy, implies local boost symmetry (LBS),
i.e. the existence of a local group of motions such that for every point $P$ in
a neighbourhood there is a boost leaving $P$ fixed. It is shown that for Petrov
type D spac... | [
{
"created": "Sat, 24 Apr 2021 09:05:41 GMT",
"version": "v1"
},
{
"created": "Tue, 1 Jun 2021 20:44:16 GMT",
"version": "v2"
}
] | 2021-07-21 | [
[
"MacCallum",
"M. A. H.",
""
]
] | Conditions are found which ensure that local boost invariance (LBI), invariance under a linear boost isotropy, implies local boost symmetry (LBS), i.e. the existence of a local group of motions such that for every point $P$ in a neighbourhood there is a boost leaving $P$ fixed. It is shown that for Petrov type D spacet... |
gr-qc/9305013 | null | Klaus Kirsten and Jaume Garriga | Massless Minimally Coupled Fields in De Sitter Space: O(4)-Symmetric
States Versus De Sitter Invariant Vacuum | TUTP-92-1, to appear in Phys. Rev. D | Phys.Rev. D48 (1993) 567-577 | 10.1103/PhysRevD.48.567 | null | gr-qc hep-th | null | The issue of de Sitter invariance for a massless minimally coupled scalar
field is revisited. Formally, it is possible to construct a de Sitter invariant
state for this case provided that the zero mode of the field is quantized
properly. Here we take the point of view that this state is physically
acceptable, in the ... | [
{
"created": "Sun, 16 May 1993 17:22:00 GMT",
"version": "v1"
}
] | 2009-10-22 | [
[
"Kirsten",
"Klaus",
""
],
[
"Garriga",
"Jaume",
""
]
] | The issue of de Sitter invariance for a massless minimally coupled scalar field is revisited. Formally, it is possible to construct a de Sitter invariant state for this case provided that the zero mode of the field is quantized properly. Here we take the point of view that this state is physically acceptable, in the se... |
2101.02713 | Davide Poletti | Davide Poletti | Measuring the primordial gravitational wave background in the presence
of other stochastic signals | 23 pages, 8 figures. Accepted on JCAP | null | 10.1088/1475-7516/2021/05/052 | null | gr-qc astro-ph.CO | http://creativecommons.org/licenses/by/4.0/ | Standard methodologies for the extraction of the stochastic gravitational
wave background (SGWB) from auto- or cross-correlation of interferometric
signals often involve the use of a filter function. The standard optimal filter
maximizes the signal-to-noise ratio (SNR) between the total SGWB and the noise.
We derive ... | [
{
"created": "Thu, 7 Jan 2021 19:00:02 GMT",
"version": "v1"
},
{
"created": "Tue, 15 Jun 2021 16:35:01 GMT",
"version": "v2"
}
] | 2021-06-16 | [
[
"Poletti",
"Davide",
""
]
] | Standard methodologies for the extraction of the stochastic gravitational wave background (SGWB) from auto- or cross-correlation of interferometric signals often involve the use of a filter function. The standard optimal filter maximizes the signal-to-noise ratio (SNR) between the total SGWB and the noise. We derive ex... |
2405.09968 | Morgan Le Delliou | Alan Maciel, Morgan Le Delliou, Jos\'e P. Mimoso | New insights on null and timelike warped symmetric spacetime splittings | 27pp | null | null | null | gr-qc | http://creativecommons.org/licenses/by/4.0/ | We explore in detail the 2+2 and 1+1+2 formalism in spherically symmetric
spacetimes, spanning from deducing the dynamical equations to relating them to
the well-known generalised Painlev\'e-Gullstrand (GPG) coordinate system. The
evolution equations are the Raychaudhuri equations for null rays, including
those also ... | [
{
"created": "Thu, 16 May 2024 10:30:18 GMT",
"version": "v1"
}
] | 2024-05-17 | [
[
"Maciel",
"Alan",
""
],
[
"Delliou",
"Morgan Le",
""
],
[
"Mimoso",
"José P.",
""
]
] | We explore in detail the 2+2 and 1+1+2 formalism in spherically symmetric spacetimes, spanning from deducing the dynamical equations to relating them to the well-known generalised Painlev\'e-Gullstrand (GPG) coordinate system. The evolution equations are the Raychaudhuri equations for null rays, including those also kn... |
1606.04932 | Parampreet Singh | Sahil Saini, Parampreet Singh | Geodesic completeness and the lack of strong singularities in effective
loop quantum Kantowski-Sachs spacetime | Revised version. Discussion in the proof on absence of strong
singularities expanded. References added. To appear in CQG | Class. Quantum Grav. 33 245019 (2016) | 10.1088/0264-9381/33/24/245019 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Resolution of singularities in the Kantowski-Sachs model due to
non-perturbative quantum gravity effects is investigated. Using the effective
spacetime description for the improved dynamics version of loop quantum
Kantowski-Sachs spacetimes, we show that even though expansion and shear
scalars are universally bounded... | [
{
"created": "Wed, 15 Jun 2016 19:40:32 GMT",
"version": "v1"
},
{
"created": "Thu, 27 Oct 2016 16:57:18 GMT",
"version": "v2"
}
] | 2017-04-14 | [
[
"Saini",
"Sahil",
""
],
[
"Singh",
"Parampreet",
""
]
] | Resolution of singularities in the Kantowski-Sachs model due to non-perturbative quantum gravity effects is investigated. Using the effective spacetime description for the improved dynamics version of loop quantum Kantowski-Sachs spacetimes, we show that even though expansion and shear scalars are universally bounded, ... |
1402.4045 | Wei Fang | Wei Fang, Hong Tu, Jiasheng Huang, Chenggang Shu | Dynamical System of Scalar Field from 2-Dimension to 3-D and its
Cosmological Implication | 20 pages, 8 figures,some references added. Minor changes according to
the suggestions from referees | Eur. Phys. J. C (2016) 76:492 | 10.1140/epjc/s10052-016-4340-1 | null | gr-qc astro-ph.CO hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We give the three-dimensional dynamical autonomous systems for most of the
popular scalar field dark energy models including (phantom) quintessence,
(phantom) tachyon, k-essence and general non-canonical scalar field models,
change the dynamical variables from variables $(x, y, \lambda)$ to observable
related variabl... | [
{
"created": "Mon, 17 Feb 2014 16:11:53 GMT",
"version": "v1"
},
{
"created": "Thu, 17 Apr 2014 03:01:59 GMT",
"version": "v2"
},
{
"created": "Mon, 12 Sep 2016 11:37:29 GMT",
"version": "v3"
}
] | 2016-09-13 | [
[
"Fang",
"Wei",
""
],
[
"Tu",
"Hong",
""
],
[
"Huang",
"Jiasheng",
""
],
[
"Shu",
"Chenggang",
""
]
] | We give the three-dimensional dynamical autonomous systems for most of the popular scalar field dark energy models including (phantom) quintessence, (phantom) tachyon, k-essence and general non-canonical scalar field models, change the dynamical variables from variables $(x, y, \lambda)$ to observable related variables... |
gr-qc/0011115 | Gilles Esposito-Farese | G. Esposito-Farese | A phenomenological approach to quintessence in scalar-tensor gravity | 2 pages, "mprocl.sty" with LaTeX 2.09; contribution to the 9th Marcel
Grossmann Meeting (MG9), Rome, July 2000 | Proceedings World Scientific (2002) p. 1749 | null | null | gr-qc astro-ph | null | This talk is based on my work in collaboration with B. Boisseau, D. Polarski,
and A.A. Starobinsky. The most natural and best-motivated alternatives to
general relativity are the so-called "scalar-tensor" theories, in which the
gravitational interaction is mediated not only by a (spin-2) graviton, but also
by a (spin... | [
{
"created": "Thu, 30 Nov 2000 18:24:01 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Esposito-Farese",
"G.",
""
]
] | This talk is based on my work in collaboration with B. Boisseau, D. Polarski, and A.A. Starobinsky. The most natural and best-motivated alternatives to general relativity are the so-called "scalar-tensor" theories, in which the gravitational interaction is mediated not only by a (spin-2) graviton, but also by a (spin-0... |
1304.3683 | Pierre Teyssandier | Bernard Linet and Pierre Teyssandier | New method for determining the light travel time in static, spherically
symmetric spacetimes. Calculation of the terms of order $G^3$ | 24 pages; Eq. (114) corrected; published in Classical and Quantum
Gravity with a Corrigendum | Class. Quantum Grav. 30 (2013) 175008; Corrigendum-Class. Quantum
Grav. 31 (2014) 079502 | 10.1088/0264-9381/30/17/175008 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | A new iterative method for calculating the travel time of a photon as a
function of the spatial positions of the emitter and the receiver in the field
of a static, spherically symmetric body is presented. The components of the
metric are assumed to be expressible in power series in $m/r$, with $m$ being
half the Schw... | [
{
"created": "Fri, 12 Apr 2013 17:04:40 GMT",
"version": "v1"
},
{
"created": "Thu, 4 Jul 2013 13:08:25 GMT",
"version": "v2"
},
{
"created": "Wed, 9 Apr 2014 14:38:15 GMT",
"version": "v3"
}
] | 2015-06-15 | [
[
"Linet",
"Bernard",
""
],
[
"Teyssandier",
"Pierre",
""
]
] | A new iterative method for calculating the travel time of a photon as a function of the spatial positions of the emitter and the receiver in the field of a static, spherically symmetric body is presented. The components of the metric are assumed to be expressible in power series in $m/r$, with $m$ being half the Schwar... |
0806.4452 | Yong-Wan Kim | Yun Soo Myung, Yong-Wan Kim, Young-Jai Park | Thermodynamics of Gauss-Bonnet black holes revisited | 22 pages, 8 figures, version to appear in EPJC | Eur.Phys.J.C58:337-346,2008 | 10.1140/epjc/s10052-008-0745-9 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate the Gauss-Bonnet black hole in five dimensional anti-de Sitter
spacetimes (GBAdS). We analyze all thermodynamic quantities of the GBAdS, which
is characterized by the Gauss-Bonnet coupling $c$ and mass $M$, comparing with
those of the Born-Infeld-AdS (BIAdS), Reissner-Norstr\"om-AdS black holes
(RNAdS)... | [
{
"created": "Fri, 27 Jun 2008 08:30:55 GMT",
"version": "v1"
},
{
"created": "Wed, 2 Jul 2008 07:23:11 GMT",
"version": "v2"
},
{
"created": "Sat, 27 Sep 2008 15:24:49 GMT",
"version": "v3"
}
] | 2008-12-18 | [
[
"Myung",
"Yun Soo",
""
],
[
"Kim",
"Yong-Wan",
""
],
[
"Park",
"Young-Jai",
""
]
] | We investigate the Gauss-Bonnet black hole in five dimensional anti-de Sitter spacetimes (GBAdS). We analyze all thermodynamic quantities of the GBAdS, which is characterized by the Gauss-Bonnet coupling $c$ and mass $M$, comparing with those of the Born-Infeld-AdS (BIAdS), Reissner-Norstr\"om-AdS black holes (RNAdS), ... |
2208.06731 | Stanley Deser | S.Deser | All identically conserved gravitational tensors are metric variations of
an action | Published version | Annals of Physics 448,169162(2023) | null | BRX-TH-6709; Caltech 2022-028 | gr-qc hep-th | http://creativecommons.org/licenses/by/4.0/ | I prove an old unsolved conjecture, the hard part of its obvious sufficiency,
namely that all identically conserved symmetric two-tensors are necessarily
metric variations of invariant actions, thus sparing the world more alternative
gravity theories. The proof is reasonably simple, if perhaps a physicist's.
| [
{
"created": "Sat, 13 Aug 2022 21:06:31 GMT",
"version": "v1"
},
{
"created": "Tue, 16 Aug 2022 02:46:48 GMT",
"version": "v2"
},
{
"created": "Fri, 16 Dec 2022 00:16:23 GMT",
"version": "v3"
}
] | 2022-12-20 | [
[
"Deser",
"S.",
""
]
] | I prove an old unsolved conjecture, the hard part of its obvious sufficiency, namely that all identically conserved symmetric two-tensors are necessarily metric variations of invariant actions, thus sparing the world more alternative gravity theories. The proof is reasonably simple, if perhaps a physicist's. |
2005.13999 | Shahn Majid | J. N. Argota-Quiroz and S. Majid | Quantum gravity on polygons and $\Bbb R\times \Bbb Z_n$ FLRW model | 40 pages latex, 3 pdf figures. Version 1.6 added Sec 3.2 on the n->
infinity limit of Z_n as a classical circle. This Version 1.7 has only
typo-level corrections relative to that | null | 10.1088/1361-6382/abbaa8 | null | gr-qc math.QA | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We fully solve the quantum geometry of $\Bbb Z_n$ as a polygon graph with
arbitrary metric lengths on the edges, finding a $*$-preserving quantum
Levi-Civita connection which is unique for $n\ne 4$. As a first application, we
numerically compute correlation functions for Euclideanised quantum gravity on
$\Bbb Z_n$ fo... | [
{
"created": "Tue, 26 May 2020 13:31:02 GMT",
"version": "v1"
},
{
"created": "Sat, 26 Sep 2020 10:51:47 GMT",
"version": "v2"
},
{
"created": "Wed, 7 Oct 2020 09:02:36 GMT",
"version": "v3"
}
] | 2020-12-30 | [
[
"Argota-Quiroz",
"J. N.",
""
],
[
"Majid",
"S.",
""
]
] | We fully solve the quantum geometry of $\Bbb Z_n$ as a polygon graph with arbitrary metric lengths on the edges, finding a $*$-preserving quantum Levi-Civita connection which is unique for $n\ne 4$. As a first application, we numerically compute correlation functions for Euclideanised quantum gravity on $\Bbb Z_n$ for ... |
1504.00524 | Ivan Kolar | Ivan Kolar, Pavel Krtous | Weak electromagnetic field admitting integrability in Kerr-NUT-(A)dS
spacetimes | 12 pages, 0 figures | Phys. Rev. D 91, 124045, 2015 | 10.1103/PhysRevD.91.124045 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate properties of higher-dimensional generally rotating black-hole
spacetimes, so called Kerr-NUT-(A)dS spacetimes, as well as a family of related
spaces which share the same explicit and hidden symmetries. In these spaces, we
study a particle motion in the presence of a weak electromagnetic field and
comp... | [
{
"created": "Thu, 2 Apr 2015 12:32:16 GMT",
"version": "v1"
},
{
"created": "Wed, 17 Jun 2015 12:04:43 GMT",
"version": "v2"
}
] | 2015-06-18 | [
[
"Kolar",
"Ivan",
""
],
[
"Krtous",
"Pavel",
""
]
] | We investigate properties of higher-dimensional generally rotating black-hole spacetimes, so called Kerr-NUT-(A)dS spacetimes, as well as a family of related spaces which share the same explicit and hidden symmetries. In these spaces, we study a particle motion in the presence of a weak electromagnetic field and compar... |
gr-qc/9704035 | null | S. Mignemi | Spherically symmetric solutions in four-dimensional Poincar\'e gravity
with non-trivial torsion | 12 pages, plain TeX | Class.Quant.Grav.15:299-307,1998 | 10.1088/0264-9381/15/2/005 | INFNCA-TH9704 | gr-qc | null | We study a four-dimensional gauge theory of the Poincar\'e group with
topological action which generalizes some well-known two-dimensional gravity
models. We classify the spherically symmetric solutions and discuss the
perturbative propagation of excitations around flat spacetime.
| [
{
"created": "Mon, 14 Apr 1997 11:51:05 GMT",
"version": "v1"
}
] | 2010-11-19 | [
[
"Mignemi",
"S.",
""
]
] | We study a four-dimensional gauge theory of the Poincar\'e group with topological action which generalizes some well-known two-dimensional gravity models. We classify the spherically symmetric solutions and discuss the perturbative propagation of excitations around flat spacetime. |
2004.06810 | Astrid Eichhorn | Alfio Bonanno, Astrid Eichhorn, Holger Gies, Jan M. Pawlowski, Roberto
Percacci, Martin Reuter, Frank Saueressig, Gian Paolo Vacca | Critical reflections on asymptotically safe gravity | 23 pages plus references | null | null | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Asymptotic safety is a theoretical proposal for the ultraviolet completion of
quantum field theories, in particular for quantum gravity. Significant progress
on this program has led to a first characterization of the Reuter fixed point.
Further advancement in our understanding of the nature of quantum spacetime
requi... | [
{
"created": "Tue, 14 Apr 2020 21:28:42 GMT",
"version": "v1"
}
] | 2020-04-16 | [
[
"Bonanno",
"Alfio",
""
],
[
"Eichhorn",
"Astrid",
""
],
[
"Gies",
"Holger",
""
],
[
"Pawlowski",
"Jan M.",
""
],
[
"Percacci",
"Roberto",
""
],
[
"Reuter",
"Martin",
""
],
[
"Saueressig",
"Frank",
""
],
... | Asymptotic safety is a theoretical proposal for the ultraviolet completion of quantum field theories, in particular for quantum gravity. Significant progress on this program has led to a first characterization of the Reuter fixed point. Further advancement in our understanding of the nature of quantum spacetime require... |
gr-qc/0109068 | Ariel Caticha | Ariel Caticha | Entropic Dynamics | Presented at MaxEnt 2001, the 21th International Workshop on Bayesian
Inference and Maximum Entropy Methods (August 4-9, 2001, Baltimore, MD, USA) | AIP Conf.Proc. 617 (2002) 302 | 10.1063/1.1477054 | null | gr-qc cond-mat.stat-mech physics.class-ph | null | I explore the possibility that the laws of physics might be laws of inference
rather than laws of nature. What sort of dynamics can one derive from
well-established rules of inference? Specifically, I ask: Given relevant
information codified in the initial and the final states, what trajectory is
the system expected ... | [
{
"created": "Wed, 19 Sep 2001 13:36:39 GMT",
"version": "v1"
}
] | 2009-11-07 | [
[
"Caticha",
"Ariel",
""
]
] | I explore the possibility that the laws of physics might be laws of inference rather than laws of nature. What sort of dynamics can one derive from well-established rules of inference? Specifically, I ask: Given relevant information codified in the initial and the final states, what trajectory is the system expected to... |
2306.04145 | Yang Huang | Yang Huang, Zhoujian Cao, Zhenyan Lu | Generalized Gibbons-Werner method for stationary spacetimes | null | Journal of Cosmology and Astroparticle Physics, 01 (2024) 013 | 10.1088/1475-7516/2024/01/013 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The Gibbons-Werner (GW) method is a powerful approach in studying the
gravitational deflection of particles moving in curved spacetimes. The
application of the Gauss-Bonnet theorem (GBT) to integral regions constructed
in a two-dimensional manifold enables the deflection angle to be expressed and
calculated from the ... | [
{
"created": "Wed, 7 Jun 2023 04:44:29 GMT",
"version": "v1"
},
{
"created": "Wed, 25 Oct 2023 09:52:16 GMT",
"version": "v2"
},
{
"created": "Fri, 24 Nov 2023 16:29:30 GMT",
"version": "v3"
},
{
"created": "Wed, 10 Jan 2024 14:29:55 GMT",
"version": "v4"
}
] | 2024-01-11 | [
[
"Huang",
"Yang",
""
],
[
"Cao",
"Zhoujian",
""
],
[
"Lu",
"Zhenyan",
""
]
] | The Gibbons-Werner (GW) method is a powerful approach in studying the gravitational deflection of particles moving in curved spacetimes. The application of the Gauss-Bonnet theorem (GBT) to integral regions constructed in a two-dimensional manifold enables the deflection angle to be expressed and calculated from the pe... |
2101.05530 | K\'aroly Zolt\'an Csuk\'as | K\'aroly Zolt\'an Csuk\'as and Istv\'an R\'acz | Numerical investigation of the dynamics of linear spin $s$ fields on a
Kerr background II: Superradiant scattering | 45 pages, 26 figures | Phys. Rev. D 103, 084035 (2021) | 10.1103/PhysRevD.103.084035 | null | gr-qc | http://creativecommons.org/licenses/by/4.0/ | Superradiant scattering of linear spin $s=0,\pm 1,\pm 2$ fields on Kerr black
hole background is investigated in the time domain by integrating numerically
the homogeneous Teukolsky master equation. The applied numerical setup has
already been used in studying long time evolution and tail behavior of
electromagnetic ... | [
{
"created": "Thu, 14 Jan 2021 10:04:57 GMT",
"version": "v1"
},
{
"created": "Fri, 23 Apr 2021 10:48:20 GMT",
"version": "v2"
}
] | 2021-04-26 | [
[
"Csukás",
"Károly Zoltán",
""
],
[
"Rácz",
"István",
""
]
] | Superradiant scattering of linear spin $s=0,\pm 1,\pm 2$ fields on Kerr black hole background is investigated in the time domain by integrating numerically the homogeneous Teukolsky master equation. The applied numerical setup has already been used in studying long time evolution and tail behavior of electromagnetic an... |
2006.08652 | John Barrow | John D. Barrow | Multifractality in the general cosmological solution of Einstein's
equations | 5 pages, no figures, extra text and refs, accepted version | Phys. Rev. D 102, 041501 (2020) | 10.1103/PhysRevD.102.041501 | null | gr-qc astro-ph.CO hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We demonstrate the scale invariance of the vacuum Bianchi type IX equations
and use this to argue for the possibility of multifractal turbulence as a
realisation of the suggestion by Belinski that there will be a fragmentation of
local regions of inhomogeneous Mixmaster chaos on approach to an initial
inhomogeneous c... | [
{
"created": "Mon, 15 Jun 2020 18:03:27 GMT",
"version": "v1"
},
{
"created": "Tue, 21 Jul 2020 15:19:46 GMT",
"version": "v2"
}
] | 2020-08-12 | [
[
"Barrow",
"John D.",
""
]
] | We demonstrate the scale invariance of the vacuum Bianchi type IX equations and use this to argue for the possibility of multifractal turbulence as a realisation of the suggestion by Belinski that there will be a fragmentation of local regions of inhomogeneous Mixmaster chaos on approach to an initial inhomogeneous cos... |
1805.08070 | Remya Nair | Remya Nair and Takahiro Tanaka | Synergy between ground and space based gravitational wave detectors II:
Localisation | one modified figure, results unchanged | null | 10.1088/1475-7516/2018/08/033 | KUNS-2722, YITP-18-53 | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the advantage of combining measurements from future ground and space
based gravitational wave detectors in estimating the parameters of a black-hole
binary coalescence. This is an extension of our previous work (PTEP 053E01
(2016)) where we used pattern averaged waveform to study non-spinning binaries.
In th... | [
{
"created": "Fri, 18 May 2018 03:48:54 GMT",
"version": "v1"
},
{
"created": "Fri, 27 Jul 2018 08:14:19 GMT",
"version": "v2"
},
{
"created": "Wed, 14 Nov 2018 21:26:38 GMT",
"version": "v3"
}
] | 2018-11-16 | [
[
"Nair",
"Remya",
""
],
[
"Tanaka",
"Takahiro",
""
]
] | We study the advantage of combining measurements from future ground and space based gravitational wave detectors in estimating the parameters of a black-hole binary coalescence. This is an extension of our previous work (PTEP 053E01 (2016)) where we used pattern averaged waveform to study non-spinning binaries. In this... |
2111.01362 | Jiong Lin | Jiong Lin, Shengqing Gao, Yungui Gong, Yizhou Lu, Zhongkai Wang,
Fengge Zhang | Primordial black holes and scalar induced gravitational waves from Higgs
inflation with non-canonical kinetic term | null | null | null | null | gr-qc astro-ph.CO hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We resolve the potential-restriction problem in K/G inflation by introducing
nonminimal coupling. In this context, Higgs field successfully drives inflation
satisfying CMB observations while enhancing curvature perturbations at small
scales, which in turn accounts for primordial black holes (PBHs) and scalar
induced ... | [
{
"created": "Tue, 2 Nov 2021 04:15:17 GMT",
"version": "v1"
},
{
"created": "Wed, 3 Nov 2021 09:56:05 GMT",
"version": "v2"
},
{
"created": "Wed, 1 Feb 2023 15:00:35 GMT",
"version": "v3"
}
] | 2023-02-02 | [
[
"Lin",
"Jiong",
""
],
[
"Gao",
"Shengqing",
""
],
[
"Gong",
"Yungui",
""
],
[
"Lu",
"Yizhou",
""
],
[
"Wang",
"Zhongkai",
""
],
[
"Zhang",
"Fengge",
""
]
] | We resolve the potential-restriction problem in K/G inflation by introducing nonminimal coupling. In this context, Higgs field successfully drives inflation satisfying CMB observations while enhancing curvature perturbations at small scales, which in turn accounts for primordial black holes (PBHs) and scalar induced gr... |
1706.09383 | Pierre Fleury | Pierre Fleury, Julien Larena, Jean-Philippe Uzan | Weak gravitational lensing of finite beams | 6 pages, 2 figures, v2: matches published version, some typos
corrected | Phys. Rev. Lett. 119, 191101 (2017) | 10.1103/PhysRevLett.119.191101 | null | gr-qc astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The standard theory of weak gravitational lensing relies on the infinitesimal
light beam approximation. In this context, images are distorted by convergence
and shear, the respective sources of which unphysically depend on the
resolution of the distribution of matter---the so-called Ricci-Weyl problem. In
this letter... | [
{
"created": "Wed, 28 Jun 2017 17:50:32 GMT",
"version": "v1"
},
{
"created": "Tue, 7 Nov 2017 10:38:08 GMT",
"version": "v2"
}
] | 2017-11-08 | [
[
"Fleury",
"Pierre",
""
],
[
"Larena",
"Julien",
""
],
[
"Uzan",
"Jean-Philippe",
""
]
] | The standard theory of weak gravitational lensing relies on the infinitesimal light beam approximation. In this context, images are distorted by convergence and shear, the respective sources of which unphysically depend on the resolution of the distribution of matter---the so-called Ricci-Weyl problem. In this letter, ... |
2109.02143 | Francisco Jos\'e Maldonado Torralba | Ivan Kol\'a\v{r}, Francisco Jos\'e Maldonado Torralba, Anupam Mazumdar | New non-singular cosmological solution of non-local gravity | 12 pages | Phys. Rev. D 105, 044045 (2022) | 10.1103/PhysRevD.105.044045 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present a new bouncing cosmological solution of the non-local theory known
as infinite derivative gravity, which goes beyond the recursive ansatz, ${\Box
R = r_1 R +r_2}$. The non-local field equations are evaluated using the
spectral decomposition with respect to the eigenfunctions of the wave operator.
The energ... | [
{
"created": "Sun, 5 Sep 2021 18:37:59 GMT",
"version": "v1"
}
] | 2022-02-24 | [
[
"Kolář",
"Ivan",
""
],
[
"Torralba",
"Francisco José Maldonado",
""
],
[
"Mazumdar",
"Anupam",
""
]
] | We present a new bouncing cosmological solution of the non-local theory known as infinite derivative gravity, which goes beyond the recursive ansatz, ${\Box R = r_1 R +r_2}$. The non-local field equations are evaluated using the spectral decomposition with respect to the eigenfunctions of the wave operator. The energy-... |
gr-qc/9608065 | O. Yu. Shvedov | V.A.Rubakov and O.Yu.Shvedov | Instability of Space-Time due to Euclidean Wormholes | 9 pages in LaTeX, 3 figures in PostScript, to appear in Proceedings
of the 9th International Seminar "QUARKS-96" | null | null | null | gr-qc | null | The problem of topology change transitions in quantum gravity is discussed.
We argue that the contribution of the Giddings-Strominger wormhole to the
Euclidean path integral is pure imaginary. This is checked by two techniques:
by the functional integral approach and by the analysis of the Wheeler-De Witt
equation. W... | [
{
"created": "Wed, 28 Aug 1996 10:47:14 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Rubakov",
"V. A.",
""
],
[
"Shvedov",
"O. Yu.",
""
]
] | The problem of topology change transitions in quantum gravity is discussed. We argue that the contribution of the Giddings-Strominger wormhole to the Euclidean path integral is pure imaginary. This is checked by two techniques: by the functional integral approach and by the analysis of the Wheeler-De Witt equation. We ... |
2006.15496 | Masashi Kimura | Yasuyuki Hatsuda and Masashi Kimura | Semi-analytic expressions for quasinormal modes of slowly rotating Kerr
black holes | 19 pages, 22 figures, v2: minor revisions, v3: minor revisions,
accepted for publication in Phys. Rev. D | Phys. Rev. D 102, 044032 (2020) | 10.1103/PhysRevD.102.044032 | RUP-20-23 | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We provide semi-analytic expressions for quasinormal mode frequencies of
slowly rotating Kerr black holes to the quadratic order in the rotation
parameter. We apply the parametrized black hole quasinormal mode ringdown
formalism to the Chandrasekhar-Detweiler equation and the Sasaki-Nakamura
equation instead of the T... | [
{
"created": "Sun, 28 Jun 2020 03:43:21 GMT",
"version": "v1"
},
{
"created": "Mon, 6 Jul 2020 04:01:24 GMT",
"version": "v2"
},
{
"created": "Wed, 5 Aug 2020 15:04:48 GMT",
"version": "v3"
}
] | 2020-08-26 | [
[
"Hatsuda",
"Yasuyuki",
""
],
[
"Kimura",
"Masashi",
""
]
] | We provide semi-analytic expressions for quasinormal mode frequencies of slowly rotating Kerr black holes to the quadratic order in the rotation parameter. We apply the parametrized black hole quasinormal mode ringdown formalism to the Chandrasekhar-Detweiler equation and the Sasaki-Nakamura equation instead of the Teu... |
1911.07998 | Atul Divakarla | Atul K. Divakarla, Eric Thrane, Paul D. Lasky, Bernard F. Whiting | Memory Effect or Cosmic String? Classifying Gravitational-Wave Bursts
with Bayesian Inference | 7 pages, 4 figures | Phys. Rev. D 102, 023010 (2020) | 10.1103/PhysRevD.102.023010 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | A variety of gravitational-wave transient sources can be modeled in the
Fourier domain using a power law. This simple power-law model provides a
reasonable approximation for gravitational-wave bursts from cosmic string
cusps, cosmic string kinks, and the memory effect. Each of these sources is
described using a diffe... | [
{
"created": "Mon, 18 Nov 2019 23:06:16 GMT",
"version": "v1"
},
{
"created": "Sun, 28 Jun 2020 15:58:13 GMT",
"version": "v2"
}
] | 2020-07-15 | [
[
"Divakarla",
"Atul K.",
""
],
[
"Thrane",
"Eric",
""
],
[
"Lasky",
"Paul D.",
""
],
[
"Whiting",
"Bernard F.",
""
]
] | A variety of gravitational-wave transient sources can be modeled in the Fourier domain using a power law. This simple power-law model provides a reasonable approximation for gravitational-wave bursts from cosmic string cusps, cosmic string kinks, and the memory effect. Each of these sources is described using a differe... |
2108.04210 | Jeremy Peters | Alan Coley, Jeremy M Peters and Erik Schnetter | Geometric horizons in binary black hole mergers | Paper published as Letter in Class. Quant. Grav vol38, 17LT01 (2021).
arXiv admin note: text overlap with arXiv:2101.09615 | Class. Quantum Grav. 38 17LT01 (2021) | 10.1088/1361-6382/ac10ed | null | gr-qc | http://creativecommons.org/licenses/by-sa/4.0/ | We numerically study the algebraic properties of the Weyl tensor through the
merger of two non-spinning black holes (BHs). We are particularly interested in
the conjecture that for such a vacuum spacetime, which is zeroth-order
algebraically general, a geometric horizon (GH), on which the spacetime is
algebraically s... | [
{
"created": "Mon, 9 Aug 2021 17:52:30 GMT",
"version": "v1"
}
] | 2021-09-01 | [
[
"Coley",
"Alan",
""
],
[
"Peters",
"Jeremy M",
""
],
[
"Schnetter",
"Erik",
""
]
] | We numerically study the algebraic properties of the Weyl tensor through the merger of two non-spinning black holes (BHs). We are particularly interested in the conjecture that for such a vacuum spacetime, which is zeroth-order algebraically general, a geometric horizon (GH), on which the spacetime is algebraically spe... |
1011.5329 | Clovis Jacinto de Matos | Clovis Jacinto de Matos | Coincident-Frequency Entangled Photons in a Homogenous Gravitational
Field - A Thought Experiment | principle of equivalence, entangled photons, gravitational redshift | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Assuming that the Principle of energy conservation holds for
coincident-frequency entangled photons propagating in a homogeneous
gravitational field. It is argued that in this physical context, either Quantum
entanglement or the weak equivalence principle are broken by the photons.
| [
{
"created": "Wed, 24 Nov 2010 09:53:49 GMT",
"version": "v1"
}
] | 2010-11-25 | [
[
"de Matos",
"Clovis Jacinto",
""
]
] | Assuming that the Principle of energy conservation holds for coincident-frequency entangled photons propagating in a homogeneous gravitational field. It is argued that in this physical context, either Quantum entanglement or the weak equivalence principle are broken by the photons. |
0807.0734 | Ronny Richter | Ronny Richter, Christian Lubich | Free and constrained symplectic integrators for numerical general
relativity | 25 pages, 7 figures; This version contains minor clarifications and
corrections | Class.Quant.Grav.25:225018,2008 | 10.1088/0264-9381/25/22/225018 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider symplectic time integrators in numerical General Relativity and
discuss both free and constrained evolution schemes. For free evolution of
ADM-like equations we propose the use of the Stoermer-Verlet method, a standard
symplectic integrator which here is explicit in the computationally expensive
curvature... | [
{
"created": "Mon, 7 Jul 2008 06:08:42 GMT",
"version": "v1"
},
{
"created": "Tue, 4 Nov 2008 08:03:14 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Richter",
"Ronny",
""
],
[
"Lubich",
"Christian",
""
]
] | We consider symplectic time integrators in numerical General Relativity and discuss both free and constrained evolution schemes. For free evolution of ADM-like equations we propose the use of the Stoermer-Verlet method, a standard symplectic integrator which here is explicit in the computationally expensive curvature t... |
gr-qc/0109032 | Hwei-Jang Yo | H.J. Yo, T.W. Baumgarte and S.L. Shapiro | A numerical testbed for singularity excision in moving black hole
spacetimes | 13 pages, 6 figures, to be published in PRD | Phys.Rev. D64 (2001) 124011 | 10.1103/PhysRevD.64.124011 | null | gr-qc astro-ph | null | We evolve a scalar field in a fixed Kerr-Schild background geometry to test
simple $(3+1)$-dimensional algorithms for singularity excision. We compare both
centered and upwind schemes for handling the shift (advection) terms, as well
as different approaches for implementing the excision boundary conditions, for
both ... | [
{
"created": "Mon, 10 Sep 2001 20:18:55 GMT",
"version": "v1"
}
] | 2009-11-07 | [
[
"Yo",
"H. J.",
""
],
[
"Baumgarte",
"T. W.",
""
],
[
"Shapiro",
"S. L.",
""
]
] | We evolve a scalar field in a fixed Kerr-Schild background geometry to test simple $(3+1)$-dimensional algorithms for singularity excision. We compare both centered and upwind schemes for handling the shift (advection) terms, as well as different approaches for implementing the excision boundary conditions, for both st... |
2401.16297 | Leonardo Garc\'ia-Heveling | Leonardo Garc\'ia-Heveling | Radial Gravitational Collapse Causes Timelike Incompleteness | Slightly updated exposition, 5 pages | Phys. Rev. D 109 (2024) 8, 084034 | 10.1103/PhysRevD.109.084034 | null | gr-qc math-ph math.DG math.MP | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We show that a globally hyperbolic spacetime containing a trapped surface and
satisfying the strong energy condition and a condition on certain radial tidal
forces must be timelike geodesically incomplete. This constitutes a "timelike"
version of Penrose's celebrated singularity theorem. Recall that the latter
conclu... | [
{
"created": "Mon, 29 Jan 2024 16:57:48 GMT",
"version": "v1"
},
{
"created": "Mon, 6 May 2024 14:45:08 GMT",
"version": "v2"
}
] | 2024-05-07 | [
[
"García-Heveling",
"Leonardo",
""
]
] | We show that a globally hyperbolic spacetime containing a trapped surface and satisfying the strong energy condition and a condition on certain radial tidal forces must be timelike geodesically incomplete. This constitutes a "timelike" version of Penrose's celebrated singularity theorem. Recall that the latter conclude... |
gr-qc/0512093 | Lee Lindblom | Lee Lindblom, Mark A. Scheel, Lawrence E. Kidder, Robert Owen, and
Oliver Rinne | A New Generalized Harmonic Evolution System | Updated to agree with published version | Class.Quant.Grav.23:S447-S462,2006 | 10.1088/0264-9381/23/16/S09 | null | gr-qc | null | A new representation of the Einstein evolution equations is presented that is
first order, linearly degenerate, and symmetric hyperbolic. This new system
uses the generalized harmonic method to specify the coordinates, and
exponentially suppresses all small short-wavelength constraint violations.
Physical and constra... | [
{
"created": "Thu, 15 Dec 2005 18:09:47 GMT",
"version": "v1"
},
{
"created": "Fri, 6 Jan 2006 23:34:10 GMT",
"version": "v2"
},
{
"created": "Tue, 4 Dec 2007 16:50:44 GMT",
"version": "v3"
}
] | 2011-04-21 | [
[
"Lindblom",
"Lee",
""
],
[
"Scheel",
"Mark A.",
""
],
[
"Kidder",
"Lawrence E.",
""
],
[
"Owen",
"Robert",
""
],
[
"Rinne",
"Oliver",
""
]
] | A new representation of the Einstein evolution equations is presented that is first order, linearly degenerate, and symmetric hyperbolic. This new system uses the generalized harmonic method to specify the coordinates, and exponentially suppresses all small short-wavelength constraint violations. Physical and constrain... |
1706.01630 | Jing-Bo Wang | Jingbo Wang | Black hole as topological insulator (II): the boundary modes | 6 pages, adding canonical mass dimension analysis | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In the previous paper Ref.[1], it was claimed that the black hole can be
considered as a kind of topological insulator. For BTZ black hole in three
dimensional $AdS_3$ spacetime two evidences were given to support this claim:
the first evidence comes from the black hole "membrane paradigm", and the
second evidence co... | [
{
"created": "Tue, 6 Jun 2017 07:12:11 GMT",
"version": "v1"
},
{
"created": "Wed, 20 Dec 2017 01:52:33 GMT",
"version": "v2"
}
] | 2017-12-21 | [
[
"Wang",
"Jingbo",
""
]
] | In the previous paper Ref.[1], it was claimed that the black hole can be considered as a kind of topological insulator. For BTZ black hole in three dimensional $AdS_3$ spacetime two evidences were given to support this claim: the first evidence comes from the black hole "membrane paradigm", and the second evidence come... |
gr-qc/0603132 | Robert Steven Millward | R. Steven Millward | A five-dimensional Schwarzschild-like solution | RevTex, 5 pages, no figures | null | null | null | gr-qc hep-th | null | In recent years, interest in extra dimensions has experienced a dramatic
increase. A common practice has been to look for higher-dimensional
generalizations of four-dimensional solutions to the Einstein equations. In
this vein, we have found a static, spherically symmetric solution to the 5-d
Einstein equations. Cert... | [
{
"created": "Fri, 31 Mar 2006 18:48:16 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Millward",
"R. Steven",
""
]
] | In recent years, interest in extra dimensions has experienced a dramatic increase. A common practice has been to look for higher-dimensional generalizations of four-dimensional solutions to the Einstein equations. In this vein, we have found a static, spherically symmetric solution to the 5-d Einstein equations. Certai... |
2303.03159 | Gamal G.L. Nashed | G. G. L. Nashed and S. Capozziello | Spinning (A)dS Black Holes with Slow-Rotation Approximation in Dynamical
Chern-Simons Modified Gravity | 15 pages 3 figures, will appear in Phys. Rev D | null | 10.1103/PhysRevD.107.063008 | null | gr-qc hep-th | http://creativecommons.org/licenses/by/4.0/ | One of the most crucial areas of gravity research, after the direct
observation of gravitational waves, is the possible modification of General
Relativity at ultraviolet and infrared scales. In particular, the possibility
of parity violation should be considered in strong field regime. The
Chern-Simons gravity takes ... | [
{
"created": "Thu, 2 Mar 2023 07:47:00 GMT",
"version": "v1"
}
] | 2023-03-29 | [
[
"Nashed",
"G. G. L.",
""
],
[
"Capozziello",
"S.",
""
]
] | One of the most crucial areas of gravity research, after the direct observation of gravitational waves, is the possible modification of General Relativity at ultraviolet and infrared scales. In particular, the possibility of parity violation should be considered in strong field regime. The Chern-Simons gravity takes in... |
0712.4064 | Piotr T. Chru\'sciel | Piotr T. Chru\'sciel, Yanyan Li and Gilbert Weinstein | Mass and angular-momentum inequalities for axi-symmetric initial data
sets. II. Angular-momentum | added Appendix C on uniqueness | AnnalsPhys.323:2591-2613,2008 | 10.1016/j.aop.2007.12.011 | null | gr-qc | null | We extend the validity of Dain's angular-momentum inequality to maximal,
asymptotically flat, initial data sets on a simply connected manifold with
several asymptotically flat ends which are invariant under a U(1) action and
which admit a twist potential.
| [
{
"created": "Wed, 26 Dec 2007 16:29:32 GMT",
"version": "v1"
},
{
"created": "Fri, 30 May 2008 19:53:50 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Chruściel",
"Piotr T.",
""
],
[
"Li",
"Yanyan",
""
],
[
"Weinstein",
"Gilbert",
""
]
] | We extend the validity of Dain's angular-momentum inequality to maximal, asymptotically flat, initial data sets on a simply connected manifold with several asymptotically flat ends which are invariant under a U(1) action and which admit a twist potential. |
gr-qc/0411037 | Robin W. Tucker | David A. Burton, Adam Noble, Robin W. Tucker, David L. Wiltshire | Twisted Electromagnetic Modes and Sagnac Ring-Lasers | LaTeX 31 pages, 3 Figures | Class.Quant.Grav. 22 (2005) 909-931 | 10.1088/0264-9381/22/6/001 | Lancaster 8-11-2004 | gr-qc | null | A new approximation scheme, designed to solve the covariant Maxwell equations
inside a rotating hollow slender conducting cavity (modelling a ring-laser), is
constructed. It is shown that for well-defined conditions there exist TE and TM
modes with respect to the longitudinal axis of the cavity. A twisted mode
spectr... | [
{
"created": "Mon, 8 Nov 2004 16:55:25 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Burton",
"David A.",
""
],
[
"Noble",
"Adam",
""
],
[
"Tucker",
"Robin W.",
""
],
[
"Wiltshire",
"David L.",
""
]
] | A new approximation scheme, designed to solve the covariant Maxwell equations inside a rotating hollow slender conducting cavity (modelling a ring-laser), is constructed. It is shown that for well-defined conditions there exist TE and TM modes with respect to the longitudinal axis of the cavity. A twisted mode spectrum... |
gr-qc/0005021 | Georges F. Bressange | Georges F. Bressange | On the extension of the concept of Thin Shells to The Einstein-Cartan
Theory | Latex, 21 pages, 1 combined Latex/Postscript figure; Accepted for
publication in Classical and Quantum Gravity | Class.Quant.Grav. 17 (2000) 2509-2524 | 10.1088/0264-9381/17/13/304 | null | gr-qc | null | This paper develops a theory of thin shells within the context of the
Einstein-Cartan theory by extending the known formalism of general relativity.
In order to perform such an extension, we require the general non symmetric
stress-energy tensor to be conserved leading, as Cartan pointed out himself, to
a strong cons... | [
{
"created": "Mon, 8 May 2000 11:32:59 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Bressange",
"Georges F.",
""
]
] | This paper develops a theory of thin shells within the context of the Einstein-Cartan theory by extending the known formalism of general relativity. In order to perform such an extension, we require the general non symmetric stress-energy tensor to be conserved leading, as Cartan pointed out himself, to a strong constr... |
1110.3297 | Vladimir Dergachev Ph.D. | Vladimir Dergachev | Loosely coherent searches for sets of well-modeled signals | null | null | 10.1103/PhysRevD.85.062003 | LIGO-P1100104-v6 | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We introduce a high-performance implementation of a loosely coherent
statistic sensitive to signals spanning a finite-dimensional manifold in
parameter space. Results from full scale simulations on Gaussian noise are
discussed, as well as implications for future searches for continuous
gravitational waves. We demonst... | [
{
"created": "Fri, 14 Oct 2011 18:50:06 GMT",
"version": "v1"
}
] | 2013-05-30 | [
[
"Dergachev",
"Vladimir",
""
]
] | We introduce a high-performance implementation of a loosely coherent statistic sensitive to signals spanning a finite-dimensional manifold in parameter space. Results from full scale simulations on Gaussian noise are discussed, as well as implications for future searches for continuous gravitational waves. We demonstra... |
1804.02650 | Jie-Xiong Mo | Jie-Xiong Mo, Gu-Qiang Li, Shan-Quan Lan and Xiao-Bao Xu | Joule-Thomson expansion of $d$-dimensional charged AdS black holes | Comments welcome. 11pages, 5figures | Phys. Rev. D 98, 124032 (2018) | 10.1103/PhysRevD.98.124032 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Effects of the dimensionality on the Joule-Thomson expansion are discussed in
detail by considering the case of $d$-dimensional charged AdS black holes.
Specifically, we investigate three important aspects characteristic of the
Joule-Thomson expansion. Namely, the Joule-Thomson coefficient, the inversion
curves and t... | [
{
"created": "Sun, 8 Apr 2018 08:38:00 GMT",
"version": "v1"
}
] | 2018-12-26 | [
[
"Mo",
"Jie-Xiong",
""
],
[
"Li",
"Gu-Qiang",
""
],
[
"Lan",
"Shan-Quan",
""
],
[
"Xu",
"Xiao-Bao",
""
]
] | Effects of the dimensionality on the Joule-Thomson expansion are discussed in detail by considering the case of $d$-dimensional charged AdS black holes. Specifically, we investigate three important aspects characteristic of the Joule-Thomson expansion. Namely, the Joule-Thomson coefficient, the inversion curves and the... |
gr-qc/9407001 | Peter Goetsch Phy103 | Peter Goetsch, Robert Graham, Fritz Haake | Cat States and Single Runs for the Damped Harmonic Oscillator | 18, Revtex | null | 10.1103/PhysRevA.51.136 | null | gr-qc | null | We discuss the fate of initial states of the cat type for the damped harmonic
oscillator, mostly employing a linear version of the stochastic Schr\"odinger
equation. We also comment on how such cat states might be prepared and on the
relation of single realizations of the noise to single runs of experiments.
| [
{
"created": "Mon, 4 Jul 1994 11:04:58 GMT",
"version": "v1"
}
] | 2009-10-22 | [
[
"Goetsch",
"Peter",
""
],
[
"Graham",
"Robert",
""
],
[
"Haake",
"Fritz",
""
]
] | We discuss the fate of initial states of the cat type for the damped harmonic oscillator, mostly employing a linear version of the stochastic Schr\"odinger equation. We also comment on how such cat states might be prepared and on the relation of single realizations of the noise to single runs of experiments. |
gr-qc/0605052 | Stephen P. Boughn | Stephen Boughn, Tony Rothman | Aspects of Graviton Detection: Graviton Emission and Absorption by
Atomic Hydrogen | 19 pages, no figures | Class.Quant.Grav. 23 (2006) 5839-5852 | 10.1088/0264-9381/23/20/006 | null | gr-qc astro-ph quant-ph | null | Graviton absorption cross sections and emission rates for hydrogen are
calculated by both semi-classical and field theoretic methods. We point out
several mistakes in the literature concerning spontaneous emission of gravitons
and related phenomena, some of which are due to a subtle issue concerning gauge
invariance ... | [
{
"created": "Tue, 9 May 2006 18:02:24 GMT",
"version": "v1"
},
{
"created": "Wed, 27 Sep 2006 12:24:03 GMT",
"version": "v2"
}
] | 2009-11-11 | [
[
"Boughn",
"Stephen",
""
],
[
"Rothman",
"Tony",
""
]
] | Graviton absorption cross sections and emission rates for hydrogen are calculated by both semi-classical and field theoretic methods. We point out several mistakes in the literature concerning spontaneous emission of gravitons and related phenomena, some of which are due to a subtle issue concerning gauge invariance of... |
1407.6727 | Helvi Witek | T\'erence Delsate, David Hilditch and Helvi Witek | The Initial Value Formulation of Dynamical Chern-Simons Gravity | 16 pages; matches published version | Phys. Rev. D 91, 024027, 2015 | 10.1103/PhysRevD.91.024027 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We derive an initial value formulation for dynamical Chern-Simons gravity, a
modification of general relativity involving parity-violating higher derivative
terms. We investigate the structure of the resulting system of partial
differential equations thinking about linearization around arbitrary
backgrounds. This typ... | [
{
"created": "Thu, 24 Jul 2014 20:22:27 GMT",
"version": "v1"
},
{
"created": "Thu, 22 Jan 2015 19:19:02 GMT",
"version": "v2"
}
] | 2015-06-22 | [
[
"Delsate",
"Térence",
""
],
[
"Hilditch",
"David",
""
],
[
"Witek",
"Helvi",
""
]
] | We derive an initial value formulation for dynamical Chern-Simons gravity, a modification of general relativity involving parity-violating higher derivative terms. We investigate the structure of the resulting system of partial differential equations thinking about linearization around arbitrary backgrounds. This type ... |
gr-qc/0010046 | Julio Cesar Fabris | J.C. Fabris and S.V.B. Goncalves (Universidade Federal do Espirito
Santo, Brazil) | Evolution of perturbations in a domain wall cosmology | Latex file, 8 pages | Braz.J.Phys. 33 (2003) 834-839 | null | null | gr-qc astro-ph | null | A fluid of domain walls has an effective equation of state $p_w = -
{2/3}\rho_w$. This equation of state is qualitativelly in agreement with the
supernova type Ia observations. We exploit a cosmological model where the
matter content is given by a dust fluid and a domain wall fluid. The process of
formation of galaxi... | [
{
"created": "Wed, 11 Oct 2000 20:53:01 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Fabris",
"J. C.",
"",
"Universidade Federal do Espirito\n Santo, Brazil"
],
[
"Goncalves",
"S. V. B.",
"",
"Universidade Federal do Espirito\n Santo, Brazil"
]
] | A fluid of domain walls has an effective equation of state $p_w = - {2/3}\rho_w$. This equation of state is qualitativelly in agreement with the supernova type Ia observations. We exploit a cosmological model where the matter content is given by a dust fluid and a domain wall fluid. The process of formation of galaxies... |
gr-qc/9801084 | Yasuo Ezawa | Yasuo Ezawa, Masahiko Kiminami, Masahiro Kajihara(Ehine University),
Jiro Soda(Kyoto University) and Tadasi Yano(Ehime University) | On the Canonical Formalism for a Higher-Curvature Gravity | 11 pages, no figures, Latex file | Class.Quant.Grav. 16 (1999) 1127-1135 | 10.1088/0264-9381/16/4/003 | null | gr-qc | null | Following the method of Buchbinder and Lyahovich, we carry out a canonical
formalism for a higher-curvature gravity in which the Lagrangian density ${\cal
L}$ is given in terms of a function of the salar curvature $R$ as ${\cal
L}=\sqrt{-\det g_{\mu\nu}}f(R)$. The local Hamiltonian is obtained by a
canonical transfor... | [
{
"created": "Mon, 26 Jan 1998 06:55:41 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Ezawa",
"Yasuo",
"",
"Ehine University"
],
[
"Kiminami",
"Masahiko",
"",
"Ehine University"
],
[
"Kajihara",
"Masahiro",
"",
"Ehine University"
],
[
"Soda",
"Jiro",
"",
"Kyoto University"
],
[
"Yano",
"Tadasi",
"",
"E... | Following the method of Buchbinder and Lyahovich, we carry out a canonical formalism for a higher-curvature gravity in which the Lagrangian density ${\cal L}$ is given in terms of a function of the salar curvature $R$ as ${\cal L}=\sqrt{-\det g_{\mu\nu}}f(R)$. The local Hamiltonian is obtained by a canonical transforma... |
gr-qc/9909064 | N. K. Dadhich | Naresh Dadhich, L.K. Patel and R. Tikekar | Global monopole as dual-vacuum solution in Kaluza-Klein spacetime | 8 pages, LaTEX version | Mod.Phys.Lett. A14 (1999) 2721-2726 | 10.1142/S0217732399002868 | IUCAA-34/99 | gr-qc | null | By application of the duality transformation, which implies interchange of
active and passive electric parts of the Riemann curvature (equivalent to
interchange of Ricci and Einstein tensors) it is shown that the global monopole
solution in the Kaluza-Klein spacetime is dual to the corresponding vacuum
solution. Furt... | [
{
"created": "Tue, 21 Sep 1999 12:04:51 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Dadhich",
"Naresh",
""
],
[
"Patel",
"L. K.",
""
],
[
"Tikekar",
"R.",
""
]
] | By application of the duality transformation, which implies interchange of active and passive electric parts of the Riemann curvature (equivalent to interchange of Ricci and Einstein tensors) it is shown that the global monopole solution in the Kaluza-Klein spacetime is dual to the corresponding vacuum solution. Furthe... |
0805.2480 | Francesco Cianfrani dr | F. Cianfrani, G. Montani | Curvature-spin coupling from the semi-classical limit of the Dirac
equation | 4 pages, Proceedings of the II Stueckelberg workshop | Int.J.Mod.Phys.A23:1274-1277,2008 | 10.1142/S0217751X08040214 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The notion of a classical particle is inferred from Dirac quantum fields on a
curved space-time, by an eikonal approximation and a localization hypothesis
for amplitudes. This procedure allows to define a semi-classical version of the
spin-tensor from internal quantum degrees of freedom, which has a
Papapetrou-like c... | [
{
"created": "Fri, 16 May 2008 09:08:52 GMT",
"version": "v1"
}
] | 2014-11-18 | [
[
"Cianfrani",
"F.",
""
],
[
"Montani",
"G.",
""
]
] | The notion of a classical particle is inferred from Dirac quantum fields on a curved space-time, by an eikonal approximation and a localization hypothesis for amplitudes. This procedure allows to define a semi-classical version of the spin-tensor from internal quantum degrees of freedom, which has a Papapetrou-like cou... |
2306.03148 | Jooheon Yoo | Jooheon Yoo, Keefe Mitman, Vijay Varma, Michael Boyle, Scott E. Field,
Nils Deppe, Fran\c{c}ois H\'ebert, Lawrence E. Kidder, Jordan Moxon, Harald
P. Pfeiffer, Mark A. Scheel, Leo C. Stein, Saul A. Teukolsky, William Throwe,
and Nils L. Vu | Numerical relativity surrogate model with memory effects and
post-Newtonian hybridization | 14 pages, 11 figures. Accepted for publication in PRD | Phys. Rev. D 108, 064027 (2023) | 10.1103/PhysRevD.108.064027 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Numerical relativity simulations provide the most precise templates for the
gravitational waves produced by binary black hole mergers. However, many of
these simulations use an incomplete waveform extraction technique --
extrapolation -- that fails to capture important physics, such as gravitational
memory effects. C... | [
{
"created": "Mon, 5 Jun 2023 18:01:55 GMT",
"version": "v1"
},
{
"created": "Thu, 14 Sep 2023 15:17:32 GMT",
"version": "v2"
}
] | 2024-01-02 | [
[
"Yoo",
"Jooheon",
""
],
[
"Mitman",
"Keefe",
""
],
[
"Varma",
"Vijay",
""
],
[
"Boyle",
"Michael",
""
],
[
"Field",
"Scott E.",
""
],
[
"Deppe",
"Nils",
""
],
[
"Hébert",
"François",
""
],
[
"Kidder... | Numerical relativity simulations provide the most precise templates for the gravitational waves produced by binary black hole mergers. However, many of these simulations use an incomplete waveform extraction technique -- extrapolation -- that fails to capture important physics, such as gravitational memory effects. Cau... |
1906.02879 | Daniele Gregoris | Daniele Gregoris, Yen Chin Ong, and Bin Wang | Holographic Principle and the Second Law in Stephani Cosmology Revisited | 14 pages, 3 figures. This manuscript revisits arXiv:1712.02297.
Matches pulished version | Eur. Phys. J. Plus 135, 246 (2020) | 10.1140/epjp/s13360-020-00249-3 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We show in a model-independent way that the inhomogeneous cosmological class
II Stephani model fulfills both the the cosmological holographic principle, and
that the entropy is increasing with time. By this we mean the result does not
depend on any assumption on the time evolution of the scale factor, or on the
matte... | [
{
"created": "Fri, 7 Jun 2019 03:14:54 GMT",
"version": "v1"
},
{
"created": "Mon, 24 Feb 2020 14:19:00 GMT",
"version": "v2"
}
] | 2020-02-25 | [
[
"Gregoris",
"Daniele",
""
],
[
"Ong",
"Yen Chin",
""
],
[
"Wang",
"Bin",
""
]
] | We show in a model-independent way that the inhomogeneous cosmological class II Stephani model fulfills both the the cosmological holographic principle, and that the entropy is increasing with time. By this we mean the result does not depend on any assumption on the time evolution of the scale factor, or on the matter ... |
2308.14875 | Leonardo Balart | Leonardo Balart, Sharmanthie Fernando | Thermodynamics and the Joule-Thomson expansion of dilaton black holes in
2+1 dimensions | 31 pages, 24 figures | null | null | null | gr-qc | http://creativecommons.org/licenses/by/4.0/ | In this paper, we study thermodynamics and its applications to the static
charged dilaton black hole in 2+1 dimensions. We chose the extended phase space
where the pressure $P = -\frac{\Lambda}{ 8 \pi}$. There is a number $N$ for the
black hole solutions which leads to a class of black holes where $ \frac{2}{3}
\leq ... | [
{
"created": "Mon, 28 Aug 2023 19:59:32 GMT",
"version": "v1"
},
{
"created": "Thu, 8 Aug 2024 02:11:00 GMT",
"version": "v2"
}
] | 2024-08-09 | [
[
"Balart",
"Leonardo",
""
],
[
"Fernando",
"Sharmanthie",
""
]
] | In this paper, we study thermodynamics and its applications to the static charged dilaton black hole in 2+1 dimensions. We chose the extended phase space where the pressure $P = -\frac{\Lambda}{ 8 \pi}$. There is a number $N$ for the black hole solutions which leads to a class of black holes where $ \frac{2}{3} \leq N ... |
2405.16673 | Nikodem Poplawski | Nikodem Pop{\l}awski | Black holes in the expanding Universe | 6 pages, 1 figure | null | null | null | gr-qc math-ph math.MP | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | If the Universe is closed, there must exist a constant and positive energy
density of vacuum (cosmological constant). By analyzing the McVittie metric, we
show that in the expanding Universe: the Hubble parameters at the event
horizons of all centrally symmetric black holes are equal and related to the
cosmological c... | [
{
"created": "Sun, 26 May 2024 19:32:24 GMT",
"version": "v1"
}
] | 2024-06-04 | [
[
"Popławski",
"Nikodem",
""
]
] | If the Universe is closed, there must exist a constant and positive energy density of vacuum (cosmological constant). By analyzing the McVittie metric, we show that in the expanding Universe: the Hubble parameters at the event horizons of all centrally symmetric black holes are equal and related to the cosmological con... |
2105.11817 | Demetrios Kotopoloulis | Demetrios Kotopoulis and Charis Anastopoulos | Thermodynamics and phase transitions of black holes in contact with a
gravitating heat bath | 31 pages, 12 figures | null | 10.1088/1361-6382/ac2137 | null | gr-qc | http://creativecommons.org/licenses/by/4.0/ | We study the thermodynamics of a shell of self-gravitating radiation, bounded
by two spherical surfaces. This system provides a consistent model for a
gravitating thermal reservoir for different solutions to vacuum Einstein
equations in the shell's interior. The latter include black holes and flat
space, hence, this ... | [
{
"created": "Tue, 25 May 2021 10:36:08 GMT",
"version": "v1"
}
] | 2021-09-22 | [
[
"Kotopoulis",
"Demetrios",
""
],
[
"Anastopoulos",
"Charis",
""
]
] | We study the thermodynamics of a shell of self-gravitating radiation, bounded by two spherical surfaces. This system provides a consistent model for a gravitating thermal reservoir for different solutions to vacuum Einstein equations in the shell's interior. The latter include black holes and flat space, hence, this mo... |
gr-qc/9507054 | Carsten Gundlach | Carsten Gundlach | The Choptuik spacetime as an eigenvalue problem | Review section rewritten; sign error in equation (4), error
concerning non-minimally coupled scalar field, one typo in table corrected,
references added. To be published in Phys. Rev. Lett | Phys.Rev.Lett. 75 (1995) 3214-3217 | 10.1103/PhysRevLett.75.3214 | LAEFF-95/09 | gr-qc | null | By fine-tuning generic Cauchy data, critical phenomena have recently been
discovered in the black hole/no black hole "phase transition" of various
gravitating systems. For the spherisymmetric real scalar field system, we find
the "critical" spacetime separating the two phases by demanding discrete
scale-invariance, a... | [
{
"created": "Thu, 27 Jul 1995 14:50:33 GMT",
"version": "v1"
},
{
"created": "Wed, 13 Sep 1995 10:19:46 GMT",
"version": "v2"
}
] | 2009-10-28 | [
[
"Gundlach",
"Carsten",
""
]
] | By fine-tuning generic Cauchy data, critical phenomena have recently been discovered in the black hole/no black hole "phase transition" of various gravitating systems. For the spherisymmetric real scalar field system, we find the "critical" spacetime separating the two phases by demanding discrete scale-invariance, ana... |
1405.6121 | Vladimir Dzhunushaliev | Vladimir Dzhunushaliev and Vladimir Folomeev | Propagation of gravitational waves in the nonperturbative spinor vacuum | some changes | null | 10.1140/epjc/s10052-014-3057-2 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The propagation of gravitational waves on the background of a nonperturbative
vacuum of a spinor field is considered. It is shown that there are several
distinctive features in comparison with the propagation of plane gravitational
waves through empty space: there exists the fixed phase difference between the
$h_{yy,... | [
{
"created": "Fri, 23 May 2014 16:53:08 GMT",
"version": "v1"
},
{
"created": "Thu, 24 Jul 2014 08:19:18 GMT",
"version": "v2"
},
{
"created": "Tue, 2 Sep 2014 02:39:16 GMT",
"version": "v3"
}
] | 2015-06-19 | [
[
"Dzhunushaliev",
"Vladimir",
""
],
[
"Folomeev",
"Vladimir",
""
]
] | The propagation of gravitational waves on the background of a nonperturbative vacuum of a spinor field is considered. It is shown that there are several distinctive features in comparison with the propagation of plane gravitational waves through empty space: there exists the fixed phase difference between the $h_{yy,zz... |
1909.02143 | Nicholas Loutrel | Nicholas Loutrel | Analytic Waveforms for Eccentric Gravitational Wave Bursts | 22 pages, 9 figures, updating to reflect the published version | Classical & Quantum Gravity 37 (2020), no. 7, 075008 | 10.1088/1361-6382/ab745f | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We here present the first analytic effective fly-by (EFB) waveforms designed
to accurately capture the burst of gravitational radiation from the closest
approach of highly eccentric compact binaries. The waveforms are constructed by
performing a re-summation procedure on the well-known Fourier series
representation o... | [
{
"created": "Wed, 4 Sep 2019 22:37:15 GMT",
"version": "v1"
},
{
"created": "Mon, 30 Mar 2020 18:02:59 GMT",
"version": "v2"
}
] | 2020-04-01 | [
[
"Loutrel",
"Nicholas",
""
]
] | We here present the first analytic effective fly-by (EFB) waveforms designed to accurately capture the burst of gravitational radiation from the closest approach of highly eccentric compact binaries. The waveforms are constructed by performing a re-summation procedure on the well-known Fourier series representation of ... |
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