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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
gr-qc/9701054 | Frank Gronwald | Frank Gronwald and Friedrich W. Hehl | Stress and Hyperstress as Fundamental Concepts in Continuum Mechanics
and in Relativistic Field Theory | 26 pages, LaTeX, eight .eps figures included, modified version of an
invited lecture given in honor of A. Signorini, International Conference in
Memory of Antonio Signorini, Isola d'Elba, June 1991 | null | null | null | gr-qc hep-th | null | The notions of stress and hyperstress are anchored in 3-dimensional continuum
mechanics. Within the framework of the 4-dimensional spacetime continuum,
stress and hyperstress translate into the energy-momentum and the hypermomentum
current, respectively. These currents describe the inertial properties of
classical ma... | [
{
"created": "Fri, 24 Jan 1997 12:27:22 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Gronwald",
"Frank",
""
],
[
"Hehl",
"Friedrich W.",
""
]
] | The notions of stress and hyperstress are anchored in 3-dimensional continuum mechanics. Within the framework of the 4-dimensional spacetime continuum, stress and hyperstress translate into the energy-momentum and the hypermomentum current, respectively. These currents describe the inertial properties of classical matt... |
2401.04528 | Alexander I Nesterov | Alexander I Nesterov | Spacetime Foam and Solution of the Cosmological Constant Problem | 8 pages | null | null | null | gr-qc hep-th | http://creativecommons.org/licenses/by/4.0/ | The cosmological constant problem is a fundamental issue that has puzzled
researchers in the fields of theoretical physics and cosmology for a long time.
It arises from the discrepancy between the observed value of the cosmological
constant and the value predicted by quantum field theory. A new spacetime model
based ... | [
{
"created": "Tue, 9 Jan 2024 12:47:36 GMT",
"version": "v1"
}
] | 2024-01-10 | [
[
"Nesterov",
"Alexander I",
""
]
] | The cosmological constant problem is a fundamental issue that has puzzled researchers in the fields of theoretical physics and cosmology for a long time. It arises from the discrepancy between the observed value of the cosmological constant and the value predicted by quantum field theory. A new spacetime model based on... |
1408.3963 | T. Padmanabhan | Dawood Kothawala, T. Padmanabhan | Entropy density of spacetime from the zero point length | 8 pages; no figures | Phys. Lett. B 748: 67-69 (2015) | 10.1016/j.physletb.2015.06.066 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | It is possible to obtain the gravitational field equations in a large class
of theories from a thermodynamic variational principle which uses the
gravitational heat density $\mathcal{S}_g$ associated with null surfaces. This
heat density is related to the discreteness of spacetime at Planck scale,
$L_P^2 = (G\hbar / ... | [
{
"created": "Mon, 18 Aug 2014 10:26:47 GMT",
"version": "v1"
},
{
"created": "Wed, 20 Aug 2014 09:37:31 GMT",
"version": "v2"
}
] | 2015-07-31 | [
[
"Kothawala",
"Dawood",
""
],
[
"Padmanabhan",
"T.",
""
]
] | It is possible to obtain the gravitational field equations in a large class of theories from a thermodynamic variational principle which uses the gravitational heat density $\mathcal{S}_g$ associated with null surfaces. This heat density is related to the discreteness of spacetime at Planck scale, $L_P^2 = (G\hbar / c^... |
gr-qc/0107050 | Christodoulakis Theodosios | T. Christodoulakis, E. Korfiatis, G. O. Papadopoulos | Automorphism Inducing Diffeomorphisms, Invariant Characterization of
Homogeneous 3-Spaces and Hamiltonian Dynamics of Bianchi Cosmologies | 18 pages, LaTeX2e, no figures, one table, to appear in Communications
in Mathematical Physics | Commun.Math.Phys.226:377-391,2002 | 10.1007/s002200200611 | null | gr-qc math-ph math.DG math.MP | null | An invariant description of Bianchi Homogeneous (B.H.) 3-spaces is presented,
by considering the action of the Automorphism Group on the configuration space
of the real, symmetric, positive definite, $3\times 3$ matrices. Thus, the
gauge degrees of freedom are removed and the remaining (gauge invariant)
degrees, are ... | [
{
"created": "Fri, 13 Jul 2001 13:23:38 GMT",
"version": "v1"
},
{
"created": "Thu, 25 Oct 2001 11:26:14 GMT",
"version": "v2"
},
{
"created": "Tue, 13 Nov 2001 11:56:06 GMT",
"version": "v3"
},
{
"created": "Fri, 7 Dec 2001 12:55:51 GMT",
"version": "v4"
}
] | 2009-10-09 | [
[
"Christodoulakis",
"T.",
""
],
[
"Korfiatis",
"E.",
""
],
[
"Papadopoulos",
"G. O.",
""
]
] | An invariant description of Bianchi Homogeneous (B.H.) 3-spaces is presented, by considering the action of the Automorphism Group on the configuration space of the real, symmetric, positive definite, $3\times 3$ matrices. Thus, the gauge degrees of freedom are removed and the remaining (gauge invariant) degrees, are th... |
gr-qc/0507101 | Jose' P. S. Lemos | Jos\'e P. S. Lemos | Black holes and fundamental physics | Invited talk at the Fifth International Workshop on New Worlds in
Astroparticle Physics, University of the Algarve, Faro, Portugal, January
8-10, 2005, published in the Proceedings of the Fifth International Workshop
on New Worlds in Astroparticle Physics, World Scientific (2006), eds. Ana M.
Mour\~ao et al., p... | null | 10.1142/9789812774439_0004 | null | gr-qc astro-ph hep-th physics.hist-ph | null | We give a review of classical, thermodynamic and quantum properties of black
holes relevant to fundamental physics.
| [
{
"created": "Sun, 24 Jul 2005 21:38:01 GMT",
"version": "v1"
},
{
"created": "Thu, 11 Aug 2005 23:04:56 GMT",
"version": "v2"
},
{
"created": "Wed, 15 Nov 2006 20:54:42 GMT",
"version": "v3"
},
{
"created": "Wed, 15 Nov 2006 21:01:28 GMT",
"version": "v4"
}
] | 2017-08-23 | [
[
"Lemos",
"José P. S.",
""
]
] | We give a review of classical, thermodynamic and quantum properties of black holes relevant to fundamental physics. |
0711.2628 | Alessandro Nagar | Thibault Damour, Alessandro Nagar | Comparing Effective-One-Body gravitational waveforms to accurate
numerical data | 15 pages, 7 figures, submitted to Phys. Rev. D. Revised version.
Figs. 2-7 improved. Slight changes in a few numbers. One reference added | Phys.Rev.D77:024043,2008 | 10.1103/PhysRevD.77.024043 | null | gr-qc | null | We continue the program of constructing, within the Effective-One-Body (EOB)
approach, high accuracy, faithful analytic waveforms describing the
gravitational wave signal emitted by inspiralling and coalescing binary black
holes (BHs). We present the comparable-mass version of a new, resummed
3PN-accurate EOB quadrup... | [
{
"created": "Fri, 16 Nov 2007 15:00:01 GMT",
"version": "v1"
},
{
"created": "Wed, 19 Dec 2007 16:24:40 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Damour",
"Thibault",
""
],
[
"Nagar",
"Alessandro",
""
]
] | We continue the program of constructing, within the Effective-One-Body (EOB) approach, high accuracy, faithful analytic waveforms describing the gravitational wave signal emitted by inspiralling and coalescing binary black holes (BHs). We present the comparable-mass version of a new, resummed 3PN-accurate EOB quadrupol... |
2403.18048 | Marcello Ortaggio | Marcello Ortaggio | A new look at AdS black holes with conformal scalar hair | 23 pages, 7 figures, 2 tables. v2: a few new comments on the black
hole shadow, table 2 expanded, minor changes in the text, typo in eq. (13)
fixed, refs. added (main results unchanged) | null | null | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We revisit static, spherically symmetric solutions to AdS-Einstein gravity
with a conformally coupled scalar field (and no self-interaction potential) in
four dimensions. We first observe that a convenient choice of coordinates leads
to a significant simplification of the field equations, which enables one to
identif... | [
{
"created": "Tue, 26 Mar 2024 19:03:11 GMT",
"version": "v1"
},
{
"created": "Wed, 29 May 2024 20:08:04 GMT",
"version": "v2"
}
] | 2024-06-03 | [
[
"Ortaggio",
"Marcello",
""
]
] | We revisit static, spherically symmetric solutions to AdS-Einstein gravity with a conformally coupled scalar field (and no self-interaction potential) in four dimensions. We first observe that a convenient choice of coordinates leads to a significant simplification of the field equations, which enables one to identify ... |
gr-qc/0302088 | Garth Antony Barber | Garth A Barber | The derivation of the coupling constant in the new Self Creation
Cosmology | LaTex, 29 pages no figures, Gravity Probe B predicted geodetic
precession corrected for Thomas precession to 2/3 that of GR or 4.4096
arcsec/yr | null | null | null | gr-qc astro-ph hep-th | null | It has been shown that the new Self Creation Cosmology theory predicts a
universe with a total density parameter of one third yet spatially flat, which
would appear to accelerate in its expansion. Although requiring a moderate
amount of 'cold dark matter' the theory does not have to invoke the hypotheses
of inflation... | [
{
"created": "Fri, 21 Feb 2003 17:19:00 GMT",
"version": "v1"
},
{
"created": "Sat, 22 Feb 2003 07:51:13 GMT",
"version": "v2"
},
{
"created": "Thu, 15 Dec 2005 19:34:04 GMT",
"version": "v3"
}
] | 2007-05-23 | [
[
"Barber",
"Garth A",
""
]
] | It has been shown that the new Self Creation Cosmology theory predicts a universe with a total density parameter of one third yet spatially flat, which would appear to accelerate in its expansion. Although requiring a moderate amount of 'cold dark matter' the theory does not have to invoke the hypotheses of inflation, ... |
1112.5952 | Dmitriy Pak | D. G. Pak, Youngman Kim and Takuya Tsukioka | Lorentz gauge theory as a model of emergent gravity | 11 pages, final version, minor corrections | Phys. Rev. D85, 084006 (2012) | 10.1103/PhysRevD.85.084006 | APCTP-Pre2011-015 | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider a class of Lorentz gauge gravity theories within Riemann-Cartan
geometry which admits a topological phase in the gravitational sector. The
dynamic content of such theories is determined only by the contortion part of
the Lorentz gauge connection. We demonstrate that there is a unique Lagrangian
that admit... | [
{
"created": "Tue, 27 Dec 2011 11:17:59 GMT",
"version": "v1"
},
{
"created": "Wed, 11 Apr 2012 11:21:11 GMT",
"version": "v2"
}
] | 2012-04-12 | [
[
"Pak",
"D. G.",
""
],
[
"Kim",
"Youngman",
""
],
[
"Tsukioka",
"Takuya",
""
]
] | We consider a class of Lorentz gauge gravity theories within Riemann-Cartan geometry which admits a topological phase in the gravitational sector. The dynamic content of such theories is determined only by the contortion part of the Lorentz gauge connection. We demonstrate that there is a unique Lagrangian that admits ... |
2003.04513 | Salvatore Vitale | Yiwen Huang, Carl-Johan Haster, Salvatore Vitale, Aaron Zimmerman,
Javier Roulet, Tejaswi Venumadhav, Barak Zackay, Liang Dai, Matias
Zaldarriaga | Source properties of the lowest signal-to-noise-ratio binary black hole
detections | null | null | 10.1103/PhysRevD.102.103024 | LIGO P2000082 | gr-qc astro-ph.HE | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We perform a detailed parameter estimation study of binary black hole merger
events reported in Zackay et al. and Venumadhav et al.. These are some of the
faintest signals reported so far, and hence, relative to the loud events in the
GWTC-1 catalog, the data should have lesser constraining power on their
intrinsic p... | [
{
"created": "Tue, 10 Mar 2020 02:57:25 GMT",
"version": "v1"
}
] | 2020-12-09 | [
[
"Huang",
"Yiwen",
""
],
[
"Haster",
"Carl-Johan",
""
],
[
"Vitale",
"Salvatore",
""
],
[
"Zimmerman",
"Aaron",
""
],
[
"Roulet",
"Javier",
""
],
[
"Venumadhav",
"Tejaswi",
""
],
[
"Zackay",
"Barak",
""
],... | We perform a detailed parameter estimation study of binary black hole merger events reported in Zackay et al. and Venumadhav et al.. These are some of the faintest signals reported so far, and hence, relative to the loud events in the GWTC-1 catalog, the data should have lesser constraining power on their intrinsic par... |
gr-qc/9506086 | Kip Thorne | Kip S. Thorne (Caltech) | Gravitational Waves | Latex; 25 pages, 14 figures. Figures are in eps files that are
bundled together in a tarred, compressed, and uuencoded form; figures are
inserted into text via a "special" command rather than psfig or epsf. Uses a
style file "snow.sty" that is bundled with the figures | null | null | GRP-411 | gr-qc astro-ph | null | This article reviews current efforts and plans for gravitational-wave
detection, the gravitational-wave sources that might be detected, and the
information that the detectors might extract from the observed waves. Special
attention is paid to (i) the LIGO/VIRGO network of earth-based, kilometer-scale
laser interferom... | [
{
"created": "Sat, 1 Jul 1995 00:21:40 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Thorne",
"Kip S.",
"",
"Caltech"
]
] | This article reviews current efforts and plans for gravitational-wave detection, the gravitational-wave sources that might be detected, and the information that the detectors might extract from the observed waves. Special attention is paid to (i) the LIGO/VIRGO network of earth-based, kilometer-scale laser interferomet... |
1612.01097 | Charles Wang | Teodora Oniga, Charles H.-T. Wang | Quantum dynamics of bound states under spacetime fluctuations | 9 pages; Submitted for the IARD 2016 Proceedings | Journal of Physics: Conf. Series 845 (2017) 012020 | 10.1088/1742-6596/845/1/012020 | null | gr-qc quant-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | With recent developments in high-precision quantum measurements, the question
of whether observations of decoherence from spacetime fluctuations are
accessible experimentally arises. Here we investigate the dynamics of bound
states interacting with an environment of gravitons under the Markov
approximation. The corre... | [
{
"created": "Sun, 4 Dec 2016 10:43:17 GMT",
"version": "v1"
}
] | 2017-06-06 | [
[
"Oniga",
"Teodora",
""
],
[
"Wang",
"Charles H. -T.",
""
]
] | With recent developments in high-precision quantum measurements, the question of whether observations of decoherence from spacetime fluctuations are accessible experimentally arises. Here we investigate the dynamics of bound states interacting with an environment of gravitons under the Markov approximation. The corresp... |
gr-qc/0608116 | Daniele Oriti | Daniele Oriti, Tamer Tlas | Causality and matter propagation in 3d spin foam quantum gravity | v2: 26 pages, 2 figures, RevTeX, some typos and some formulae
corrected with no relevant change for the results, one reference added | Phys.Rev.D74:104021,2006 | 10.1103/PhysRevD.74.104021 | DAMTP-2006-67 | gr-qc hep-th | null | In this paper we tackle the issue of causality in quantum gravity, in the
context of 3d spin foam models. We identify the correct procedure for
implementing the causality/orientation dependence restriction that reduces the
path integral for BF theory to that of quantum gravity in first order form. We
construct explic... | [
{
"created": "Sun, 27 Aug 2006 13:31:42 GMT",
"version": "v1"
},
{
"created": "Sat, 23 Sep 2006 22:40:32 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Oriti",
"Daniele",
""
],
[
"Tlas",
"Tamer",
""
]
] | In this paper we tackle the issue of causality in quantum gravity, in the context of 3d spin foam models. We identify the correct procedure for implementing the causality/orientation dependence restriction that reduces the path integral for BF theory to that of quantum gravity in first order form. We construct explicit... |
1608.05253 | Burkhard Kleihaus | Xiao Yan Chew, Burkhard Kleihaus, and Jutta Kunz | Geometry of Spinning Ellis Wormholes | 24 pages, 17 figures | Phys. Rev. D 94, 104031 (2016) | 10.1103/PhysRevD.94.104031 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We give a detailed account of the properties of spinning Ellis wormholes,
supported by a phantom field. The general set of solutions depends on three
parameters, associated with the size of the throat, the rotation and the
symmetry of the solutions. For symmetric wormholes the global charges possess
the same values i... | [
{
"created": "Thu, 18 Aug 2016 13:38:47 GMT",
"version": "v1"
}
] | 2016-11-15 | [
[
"Chew",
"Xiao Yan",
""
],
[
"Kleihaus",
"Burkhard",
""
],
[
"Kunz",
"Jutta",
""
]
] | We give a detailed account of the properties of spinning Ellis wormholes, supported by a phantom field. The general set of solutions depends on three parameters, associated with the size of the throat, the rotation and the symmetry of the solutions. For symmetric wormholes the global charges possess the same values in ... |
1708.00237 | Peter M\'esz\'aros | Peter M\'esz\'aros | Effect of radiation-like solid on CMB anisotropies | 7 pages, 1 figure, conference: Week of Doctoral Students 2016, Prague | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We compute the CMB angular power spectrum in the presence of the
radiation-like solid with the same pressure to energy density ratio as for the
radiation but with nonzero shear modulus. The effect can be observable not only
for large-angle anisotropies as shown by Balek and \v{S}kovran [2015] but also
for very small-... | [
{
"created": "Tue, 1 Aug 2017 10:40:15 GMT",
"version": "v1"
}
] | 2017-08-02 | [
[
"Mészáros",
"Peter",
""
]
] | We compute the CMB angular power spectrum in the presence of the radiation-like solid with the same pressure to energy density ratio as for the radiation but with nonzero shear modulus. The effect can be observable not only for large-angle anisotropies as shown by Balek and \v{S}kovran [2015] but also for very small-an... |
1407.4313 | Salvatore Capozziello | Andrzej Borowiec, Salvatore Capozziello, Mariafelicia De Laurentis,
Francisco S.N. Lobo, Andronikos Paliathanasis, Mariacristina Paolella, and
Aneta Wojnar | Invariant solutions and Noether symmetries in Hybrid Gravity | 12 pages, 1 figure | Phys.Rev.D91:023517,2015 | 10.1103/PhysRevD.91.023517 | null | gr-qc astro-ph.CO hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Symmetries play a crucial role in physics and, in particular, the Noether
symmetries are a useful tool both to select models motivated at a fundamental
level, and to find exact solutions for specific Lagrangians. In this work, we
consider the application of point symmetries in the recently proposed
metric-Palatini Hy... | [
{
"created": "Wed, 16 Jul 2014 13:55:47 GMT",
"version": "v1"
}
] | 2015-01-29 | [
[
"Borowiec",
"Andrzej",
""
],
[
"Capozziello",
"Salvatore",
""
],
[
"De Laurentis",
"Mariafelicia",
""
],
[
"Lobo",
"Francisco S. N.",
""
],
[
"Paliathanasis",
"Andronikos",
""
],
[
"Paolella",
"Mariacristina",
""
],
[
... | Symmetries play a crucial role in physics and, in particular, the Noether symmetries are a useful tool both to select models motivated at a fundamental level, and to find exact solutions for specific Lagrangians. In this work, we consider the application of point symmetries in the recently proposed metric-Palatini Hybr... |
gr-qc/0412022 | John T. Whelan | John T. Whelan (for the LIGO Scientific Collaboration) | First upper limit analysis and results from LIGO science data:
stochastic background | 7 pages; 1 eps figures; proceeding from 2003 Edoardo Amaldi Meeting
on Gravitational Waves | Class.Quant.Grav. 21 (2004) S685-S690 | 10.1088/0264-9381/21/5/044 | null | gr-qc | null | I describe analysis of correlations in the outputs of the three LIGO
interferometers from LIGO's first science run, held over 17 days in August and
September of 2002, and the resulting upper limit set on a stochastic background
of gravitational waves. By searching for cross-correlations between the LIGO
detectors in ... | [
{
"created": "Sat, 4 Dec 2004 22:12:56 GMT",
"version": "v1"
}
] | 2019-08-14 | [
[
"Whelan",
"John T.",
"",
"for the LIGO Scientific Collaboration"
]
] | I describe analysis of correlations in the outputs of the three LIGO interferometers from LIGO's first science run, held over 17 days in August and September of 2002, and the resulting upper limit set on a stochastic background of gravitational waves. By searching for cross-correlations between the LIGO detectors in Li... |
1601.04994 | Lorenzo Sebastiani | Ratbay Myrzakulov and Lorenzo Sebastiani | Non-local $F(R)$-mimetic gravity | 11 pages, final version, accepted in Astrophysics and Space Science
journal | null | 10.1007/s10509-016-2779-z | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this paper, we study non-local $F(R)$-mimetic gravity. We implement
mimetic gravity in the framework of non-local $F(R)$-theories of gravity. Given
some specific class of models and using a potential on the mimetic field, we
investigate some scenarios related to the early-time universe, namely the
inflation and th... | [
{
"created": "Sat, 16 Jan 2016 09:27:52 GMT",
"version": "v1"
},
{
"created": "Mon, 9 May 2016 11:04:41 GMT",
"version": "v2"
}
] | 2016-06-01 | [
[
"Myrzakulov",
"Ratbay",
""
],
[
"Sebastiani",
"Lorenzo",
""
]
] | In this paper, we study non-local $F(R)$-mimetic gravity. We implement mimetic gravity in the framework of non-local $F(R)$-theories of gravity. Given some specific class of models and using a potential on the mimetic field, we investigate some scenarios related to the early-time universe, namely the inflation and the ... |
1110.3179 | Valentin Gladush | Valentin D. Gladush, Dmitry A. Kulikov | Classification for the radial component of particles motion in the field
of a super-extremely charged object | 4 pages, 2 figures | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | A method for investigation of neutral test particles motion with the angular
momentum L in the Reissner-Nordstr\"om field of a super-extremely charged
object with mass M and charge Q > M is proposed. The problem of classifying the
radial component of motion is reduced to working up a classification for
"effective" po... | [
{
"created": "Fri, 14 Oct 2011 12:01:10 GMT",
"version": "v1"
}
] | 2011-10-17 | [
[
"Gladush",
"Valentin D.",
""
],
[
"Kulikov",
"Dmitry A.",
""
]
] | A method for investigation of neutral test particles motion with the angular momentum L in the Reissner-Nordstr\"om field of a super-extremely charged object with mass M and charge Q > M is proposed. The problem of classifying the radial component of motion is reduced to working up a classification for "effective" pote... |
2207.10467 | Marco Calz\`a | Marco Calz\'a | Evaporation of a Kerr-black-bounce by emission of scalar particles | 11 pages, 18 figures | null | 10.1103/PhysRevD.107.044067 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study a regular rotating black hole evaporating under the Hawking emission
of a single scalar field. The black hole is described by the Kerr-black-bounce
metric with a nearly extremal regularizing parameter $\ell=0.99r_+$. We compare
the results with a Kerr black hole evaporating under the same conditions.
Firstly... | [
{
"created": "Thu, 21 Jul 2022 13:24:51 GMT",
"version": "v1"
},
{
"created": "Tue, 30 Aug 2022 14:25:41 GMT",
"version": "v2"
},
{
"created": "Fri, 17 May 2024 13:49:06 GMT",
"version": "v3"
}
] | 2024-05-20 | [
[
"Calzá",
"Marco",
""
]
] | We study a regular rotating black hole evaporating under the Hawking emission of a single scalar field. The black hole is described by the Kerr-black-bounce metric with a nearly extremal regularizing parameter $\ell=0.99r_+$. We compare the results with a Kerr black hole evaporating under the same conditions. Firstly, ... |
2402.15675 | Maximo Banados | M\'aximo Ba\~nados | Einstein-Weyl geometry: A simple Weyl invariant equation for gravity | 6 pages, no figures. A linear Lagrangian added plus minor
improvements | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Elaborating on Einstein-Weyl geometries, we write a simple Weyl invariant
equation for Gravity (with the metric and a vector field as geometrical data).
The equation is linear in the curvature and a natural generalization of
Einstein equations to Weyl geometry. The system has 5 physical polarizations,
the graviton an... | [
{
"created": "Sat, 24 Feb 2024 01:20:06 GMT",
"version": "v1"
},
{
"created": "Mon, 4 Mar 2024 21:52:09 GMT",
"version": "v2"
},
{
"created": "Mon, 18 Mar 2024 21:59:37 GMT",
"version": "v3"
}
] | 2024-03-20 | [
[
"Bañados",
"Máximo",
""
]
] | Elaborating on Einstein-Weyl geometries, we write a simple Weyl invariant equation for Gravity (with the metric and a vector field as geometrical data). The equation is linear in the curvature and a natural generalization of Einstein equations to Weyl geometry. The system has 5 physical polarizations, the graviton and ... |
1508.03127 | Roberto A. Sussman | Roberto A. Sussman and Ismael Delgado Gaspar | Multiple non-spherical structures from the extrema of Szekeres scalars | Matches published version. 28 pages, 9 figures. Minor but important
corrections were incorporated | Phys. Rev. D 92, 083533 (2015) | 10.1103/PhysRevD.92.083533 | null | gr-qc astro-ph.CO hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We examine the spatial extrema (local maxima, minima and saddle points) of
the covariant scalars (density, Hubble expansion, spatial curvature and
eigenvalues of the shear and electric Weyl tensors) of the quasi-spherical
Szekeres dust models. Sufficient conditions are obtained for the existence of
distributions of m... | [
{
"created": "Thu, 13 Aug 2015 06:17:09 GMT",
"version": "v1"
},
{
"created": "Thu, 20 Aug 2015 04:36:20 GMT",
"version": "v2"
},
{
"created": "Sat, 7 Nov 2015 00:15:55 GMT",
"version": "v3"
}
] | 2015-11-10 | [
[
"Sussman",
"Roberto A.",
""
],
[
"Gaspar",
"Ismael Delgado",
""
]
] | We examine the spatial extrema (local maxima, minima and saddle points) of the covariant scalars (density, Hubble expansion, spatial curvature and eigenvalues of the shear and electric Weyl tensors) of the quasi-spherical Szekeres dust models. Sufficient conditions are obtained for the existence of distributions of mul... |
1805.03528 | Muhammad Sharif | M. Sharif and Kanwal Nazir | Study of Static Wormhole Solutions in $F(T,T_\mathcal{G})$ Gravity | 31 pages, 16 figures, to appear in Ann. Phys | Ann. Phys. 393(2018)145-166 | 10.1016/j.aop.2018.04.003 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this paper, we investigate static spherically symmetric wormhole solutions
in the background of $F(T,T_\mathcal{G})$ gravity ($T$ is the torsion scalar
and $T_{\mathcal{G}}$ represents teleparallel equivalent of the Gauss-Bonnet
term). We study the wormhole solutions by assuming four different matter
contents, a s... | [
{
"created": "Tue, 8 May 2018 03:08:01 GMT",
"version": "v1"
}
] | 2018-05-31 | [
[
"Sharif",
"M.",
""
],
[
"Nazir",
"Kanwal",
""
]
] | In this paper, we investigate static spherically symmetric wormhole solutions in the background of $F(T,T_\mathcal{G})$ gravity ($T$ is the torsion scalar and $T_{\mathcal{G}}$ represents teleparallel equivalent of the Gauss-Bonnet term). We study the wormhole solutions by assuming four different matter contents, a spe... |
gr-qc/0011042 | John T. Whelan | John T. Whelan | A Stationary Approximation to the Spacetime of a Compact Object Binary | 10 pages, LaTeX, no figures; to appear in the Proceedings of the
Conference on Gravitational Waves: A Challenge to Theoretical Astrophysics at
the ICTP, Trieste, Italy, June 2000 | null | null | null | gr-qc | null | The gravitational-radiation-induced inspiral of a binary system of compact
objects is considered. A scheme is described to model the regime in which the
gravitational interaction is too strong to use weak-field approximation
methods, but the time scale for decay of the orbits is still long compared to
the orbital per... | [
{
"created": "Mon, 13 Nov 2000 05:22:35 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Whelan",
"John T.",
""
]
] | The gravitational-radiation-induced inspiral of a binary system of compact objects is considered. A scheme is described to model the regime in which the gravitational interaction is too strong to use weak-field approximation methods, but the time scale for decay of the orbits is still long compared to the orbital perio... |
1301.0532 | Ernesto F. Eiroa | Leonardo Amarilla, Ernesto F. Eiroa | Shadow of a Kaluza-Klein rotating dilaton black hole | 9 pages, 2 figures; v2: improved version, new references added | Phys.Rev.D87:044057,2013 | 10.1103/PhysRevD.87.044057 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the shadow produced by a spinning Kaluza-Klein black hole in
Einstein gravity coupled to a Maxwell field and a dilaton. The size and the
shape of the shadow depend on the mass, the charge, and the angular momentum.
We find that, for fixed values of these parameters, the shadow is slightly
larger and less def... | [
{
"created": "Thu, 3 Jan 2013 19:13:01 GMT",
"version": "v1"
},
{
"created": "Thu, 28 Feb 2013 16:53:02 GMT",
"version": "v2"
}
] | 2013-03-01 | [
[
"Amarilla",
"Leonardo",
""
],
[
"Eiroa",
"Ernesto F.",
""
]
] | We study the shadow produced by a spinning Kaluza-Klein black hole in Einstein gravity coupled to a Maxwell field and a dilaton. The size and the shape of the shadow depend on the mass, the charge, and the angular momentum. We find that, for fixed values of these parameters, the shadow is slightly larger and less defor... |
1706.09008 | Victor Alejandro Penas | Victor A. Penas | Deformed Weitzenb\"ock Connections and Teleparallel Gravity | 9 pages. The full content of this article can be found in the
published version "Deformed Weitzenbock Connections and Double Field Theory''
[arXiv:1807.01144 [hep-th]] | null | null | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study conditions on a generic connection written in terms of first-order
derivatives of the vielbein in order to obtain (possible) equivalent theories
to Einstein Gravity. We derive the equations of motion for these theories which
are based on the new connections. We recover the Teleparallel Gravity equations
of m... | [
{
"created": "Tue, 27 Jun 2017 18:51:00 GMT",
"version": "v1"
},
{
"created": "Mon, 17 Jun 2019 19:25:48 GMT",
"version": "v2"
}
] | 2019-06-19 | [
[
"Penas",
"Victor A.",
""
]
] | We study conditions on a generic connection written in terms of first-order derivatives of the vielbein in order to obtain (possible) equivalent theories to Einstein Gravity. We derive the equations of motion for these theories which are based on the new connections. We recover the Teleparallel Gravity equations of mot... |
1901.02592 | Yasutaka Koga | Yasutaka Koga | Photon surfaces in spherically, planar and hyperbolically symmetric
spacetimes of D-dimensions: Sonic point/photon sphere correspondence | 15 pages | Phys. Rev. D 99, 064034 (2019) | 10.1103/PhysRevD.99.064034 | RUP-19-1 | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Sonic point/photon sphere (SP/PS) correspondence is a theoretical phenomenon
which appears in fluid dynamics on curved spacetime and its existence has been
recently proved in quite wide situations as theorems. The theorems state that a
sonic point (SP) of radiation fluid flow must be on an unstable photon sphere
(PS)... | [
{
"created": "Wed, 9 Jan 2019 03:34:47 GMT",
"version": "v1"
},
{
"created": "Mon, 1 Apr 2019 04:52:11 GMT",
"version": "v2"
}
] | 2019-04-02 | [
[
"Koga",
"Yasutaka",
""
]
] | Sonic point/photon sphere (SP/PS) correspondence is a theoretical phenomenon which appears in fluid dynamics on curved spacetime and its existence has been recently proved in quite wide situations as theorems. The theorems state that a sonic point (SP) of radiation fluid flow must be on an unstable photon sphere (PS) w... |
2111.02337 | Loic Chantry | L. Chantry, F. Dauvergne, Y. Temmam, V. Cayatte | Quasi-isometric embedding of Kerr poloidal sub-manifolds | 32 page, 13 Figures | Classical and Quantum Gravity, (2021), 38, 145030 | 10.1088/1361-6382/ac08a6 | 02 | gr-qc math-ph math.MP | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We propose two approaches to obtain an isometric embedding of the poloidal
Kerr sub-manifold. The first one relies on the convex integration process using
the corrugation from a primitive embedding. This allows us to obtain one
parameter family of embeddings reaching the limits of an isometric embedding.
The second o... | [
{
"created": "Wed, 3 Nov 2021 16:39:42 GMT",
"version": "v1"
}
] | 2021-11-04 | [
[
"Chantry",
"L.",
""
],
[
"Dauvergne",
"F.",
""
],
[
"Temmam",
"Y.",
""
],
[
"Cayatte",
"V.",
""
]
] | We propose two approaches to obtain an isometric embedding of the poloidal Kerr sub-manifold. The first one relies on the convex integration process using the corrugation from a primitive embedding. This allows us to obtain one parameter family of embeddings reaching the limits of an isometric embedding. The second one... |
1211.1610 | Yeuk-Kwan Edna Cheung | Chonghong Li and Yeuk-Kwan E. Cheung | Dualities between Scale Invariant and Magnitude Invariant Perturbation
Spectra in Inflationary/Bouncing Cosmos | latex, 13 pages and 1 figure | null | null | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study cosmological perturbation spectra using the dynamical equations of
gauge invariant perturbations with a generalized blue/red-shift term. Combined
with the power-law index of cosmological background, {\nu}, we construct a
parameter space, ({\nu}, m), to classify all possible perturbation spectra. The
magnitud... | [
{
"created": "Wed, 7 Nov 2012 17:17:35 GMT",
"version": "v1"
}
] | 2012-11-08 | [
[
"Li",
"Chonghong",
""
],
[
"Cheung",
"Yeuk-Kwan E.",
""
]
] | We study cosmological perturbation spectra using the dynamical equations of gauge invariant perturbations with a generalized blue/red-shift term. Combined with the power-law index of cosmological background, {\nu}, we construct a parameter space, ({\nu}, m), to classify all possible perturbation spectra. The magnitude-... |
1812.06795 | Moritz Reintjes | Moritz Reintjes and Blake Temple | How to smooth a crinkled map of spacetime: Uhlenbeck compactness for
$L^\infty$ connections and optimal regularity for general relativistic shock
waves by the Reintjes-Temple-equations | This paper summarises the theory developed in arXiv:1805.01004,
arXiv:1808.06455 and arXiv:1912.12997. V5: Improved wording and minor
corrections in Section 7. V4: Cor 3.1 added. V3: Thms 2.6 - 2.8, addressing
Uhlenbeck compactness and $L^\infty$ connections, added. Improved discussion
section and introduction.... | Proc. R. Soc. A 476: 20200177, 2020 | null | null | gr-qc math.DG | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present authors' new theory of the RT-equations, nonlinear elliptic
partial differential equations which determine the coordinate transformations
which smooth connections $\Gamma$ to optimal regularity, one derivative
smoother than the Riemann curvature tensor ${\rm Riem}(\Gamma)$. As one
application we extend Uhl... | [
{
"created": "Fri, 14 Dec 2018 11:42:38 GMT",
"version": "v1"
},
{
"created": "Tue, 8 Oct 2019 16:00:03 GMT",
"version": "v2"
},
{
"created": "Fri, 28 Feb 2020 07:24:22 GMT",
"version": "v3"
},
{
"created": "Sat, 14 Mar 2020 11:27:01 GMT",
"version": "v4"
},
{
"cr... | 2020-11-10 | [
[
"Reintjes",
"Moritz",
""
],
[
"Temple",
"Blake",
""
]
] | We present authors' new theory of the RT-equations, nonlinear elliptic partial differential equations which determine the coordinate transformations which smooth connections $\Gamma$ to optimal regularity, one derivative smoother than the Riemann curvature tensor ${\rm Riem}(\Gamma)$. As one application we extend Uhlen... |
1010.4787 | Marcin Kisielowski M.Sc. | Benjamin Bahr, Frank Hellmann, Wojciech Kami\'nski, Marcin
Kisielowski, Jerzy Lewandowski | Operator Spin Foam Models | 19 pages, 11 figures, RevTex4.1 | Class.Quant.Grav.28:105003,2011 | 10.1088/0264-9381/28/10/105003 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The goal of this paper is to introduce a systematic approach to spin foams.
We define operator spin foams, that is foams labelled by group representations
and operators, as the main tool. An equivalence relation we impose in the set
of the operator spin foams allows to split the faces and the edges of the
foams. The ... | [
{
"created": "Fri, 22 Oct 2010 19:43:16 GMT",
"version": "v1"
}
] | 2011-04-11 | [
[
"Bahr",
"Benjamin",
""
],
[
"Hellmann",
"Frank",
""
],
[
"Kamiński",
"Wojciech",
""
],
[
"Kisielowski",
"Marcin",
""
],
[
"Lewandowski",
"Jerzy",
""
]
] | The goal of this paper is to introduce a systematic approach to spin foams. We define operator spin foams, that is foams labelled by group representations and operators, as the main tool. An equivalence relation we impose in the set of the operator spin foams allows to split the faces and the edges of the foams. The co... |
1506.00186 | Genly Le\'on | Antonella Cid (Biobio U.), Genly Leon (Valparaiso U., Catolica),
Yoelsy Leyva (Tarapaca U.) | Intermediate accelerated solutions as generic late-time attractors in a
modified Jordan-Brans-Dicke theory | 47 pages, no figures. References updated. Matches the published
version (abstract shortened, original exceded the size admited by Arxiv
rules) | Journal of Cosmology and Astroparticle Physics, 2016, 2016, 027 | 10.1088/1475-7516/2016/02/027 | null | gr-qc astro-ph.CO hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate a Jordan-Brans-Dicke (JBD) scalar field, $\Phi$, with
power-law potential in the presence of a second scalar field, $\phi$, with an
exponential potential, in both the Jordan and the Einstein frames. We present
the relation of our model with the induced gravity model with power-law
potential and the int... | [
{
"created": "Sun, 31 May 2015 02:19:26 GMT",
"version": "v1"
},
{
"created": "Sun, 22 Nov 2015 13:09:00 GMT",
"version": "v2"
},
{
"created": "Sat, 13 Feb 2016 02:19:18 GMT",
"version": "v3"
}
] | 2016-02-16 | [
[
"Cid",
"Antonella",
"",
"Biobio U."
],
[
"Leon",
"Genly",
"",
"Valparaiso U., Catolica"
],
[
"Leyva",
"Yoelsy",
"",
"Tarapaca U."
]
] | We investigate a Jordan-Brans-Dicke (JBD) scalar field, $\Phi$, with power-law potential in the presence of a second scalar field, $\phi$, with an exponential potential, in both the Jordan and the Einstein frames. We present the relation of our model with the induced gravity model with power-law potential and the integ... |
gr-qc/9805020 | Jean-Philippe Uzan du Darc | Jean-Philippe Uzan, Nathalie Deruelle and Neil Turok | Conservation Laws and Cosmological Perturbations in Curved Universes | 15 pages, no figure, to appear in Phys. Rev. D | Phys.Rev. D57 (1998) 7192-7199 | 10.1103/PhysRevD.57.7192 | null | gr-qc | null | When working in synchronous gauges, pseudo-tensor conservation laws are often
used to set the initial conditions for cosmological scalar perturbations, when
those are generated by topological defects which suddenly appear in an up to
then perfectly homogeneous and isotropic universe. However those conservation
laws a... | [
{
"created": "Thu, 7 May 1998 09:37:46 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Uzan",
"Jean-Philippe",
""
],
[
"Deruelle",
"Nathalie",
""
],
[
"Turok",
"Neil",
""
]
] | When working in synchronous gauges, pseudo-tensor conservation laws are often used to set the initial conditions for cosmological scalar perturbations, when those are generated by topological defects which suddenly appear in an up to then perfectly homogeneous and isotropic universe. However those conservation laws are... |
1707.02809 | Soichiro Morisaki | Soichiro Morisaki and Teruaki Suyama | Spontaneous scalarization with an extremely massive field and heavy
neutron stars | 19 pages, 16 figures; published version | null | 10.1103/PhysRevD.96.084026 | RESCEU-8/17 | gr-qc astro-ph.HE | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate the internal structure and the mass-radius relation of neutron
stars in a recently proposed scalar-tensor theory dubbed asymmetron in which a
massive scalar field undergoes spontaneous scalarization inside neutron stars.
We focus on the case where the Compton wavelength is shorter than 10 km, which
has... | [
{
"created": "Mon, 10 Jul 2017 11:43:58 GMT",
"version": "v1"
},
{
"created": "Tue, 7 Nov 2017 02:33:46 GMT",
"version": "v2"
}
] | 2017-11-08 | [
[
"Morisaki",
"Soichiro",
""
],
[
"Suyama",
"Teruaki",
""
]
] | We investigate the internal structure and the mass-radius relation of neutron stars in a recently proposed scalar-tensor theory dubbed asymmetron in which a massive scalar field undergoes spontaneous scalarization inside neutron stars. We focus on the case where the Compton wavelength is shorter than 10 km, which has n... |
2002.11769 | Alberto Escalante | Alberto Escalante (Puebla U., Inst. Fis.) and M. Eduardo
Hern\'andez-Garc\'ia (Puebla U., Mexico) | The Hamilton-Jacobi characteristic equations for three dimensional
Ashtekar gravity | null | null | null | null | gr-qc hep-th math-ph math.MP | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The Hamilton-Jacobi analysis of three dimensional gravity defined in terms of
Ashtekar-like variables is performed. We report a detailed analysis where the
complete set of Hamilton-Jacobi constraints, the characteristic equations and
the gauge transformations of the theory are found. We find from integrability
condit... | [
{
"created": "Tue, 11 Feb 2020 16:28:48 GMT",
"version": "v1"
}
] | 2020-02-28 | [
[
"Escalante",
"Alberto",
"",
"Puebla U., Inst. Fis."
],
[
"Hernández-García",
"M. Eduardo",
"",
"Puebla U., Mexico"
]
] | The Hamilton-Jacobi analysis of three dimensional gravity defined in terms of Ashtekar-like variables is performed. We report a detailed analysis where the complete set of Hamilton-Jacobi constraints, the characteristic equations and the gauge transformations of the theory are found. We find from integrability conditio... |
1209.0500 | Gonzalo Garc\'ia-Reyes | Antonio C. Guti\'errez-Pi\~neres, Gonzalo Garc\'ia-Reyes, and
Guillermo A. Gonz\'alez | Exact relativistic models of thin disks around static black holes in a
magnetic field | 17 pages, 14 figures. arXiv admin note: text overlap with
arXiv:gr-qc/0409109 by other authors | Int. J. Mod. Phys. D, Vol. 23, No. 1 (2013), pags. 1450010-1 -
1450010-23 | 10.1142/S0218271814500102 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The exact superposition of a central static black hole with surrounding thin
disk in presence of a magnetic field is investigated. We consider two models of
disk, one of infinite extension based on a Kuzmin-Chazy-Curzon metric and other
finite based on the first Morgan-Morgan disk. We also analyze a simple model of
a... | [
{
"created": "Mon, 3 Sep 2012 23:16:45 GMT",
"version": "v1"
},
{
"created": "Fri, 18 Jan 2013 14:20:27 GMT",
"version": "v2"
},
{
"created": "Mon, 5 Aug 2013 22:43:20 GMT",
"version": "v3"
},
{
"created": "Fri, 6 Dec 2013 20:21:19 GMT",
"version": "v4"
}
] | 2013-12-09 | [
[
"Gutiérrez-Piñeres",
"Antonio C.",
""
],
[
"García-Reyes",
"Gonzalo",
""
],
[
"González",
"Guillermo A.",
""
]
] | The exact superposition of a central static black hole with surrounding thin disk in presence of a magnetic field is investigated. We consider two models of disk, one of infinite extension based on a Kuzmin-Chazy-Curzon metric and other finite based on the first Morgan-Morgan disk. We also analyze a simple model of act... |
1503.07415 | Leonardo Campanelli | Leonardo Campanelli | Lorentz-violating inflationary magnetogenesis | 20 pages, 3 figures, references added, to appear in the European
Physical Journal C | null | null | null | gr-qc astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | A non-conformally invariant coupling between the inflaton and the photon in
the minimal Lorentz-violating standard model extension is analyzed. For
specific forms of the Lorentz-violating background tensor, the strong-coupling
and backreaction problems of magnetogenesis in de Sitter inflation with scale
$\sim 10^{16}... | [
{
"created": "Thu, 19 Mar 2015 11:42:46 GMT",
"version": "v1"
},
{
"created": "Thu, 18 Jun 2015 21:47:02 GMT",
"version": "v2"
}
] | 2015-06-22 | [
[
"Campanelli",
"Leonardo",
""
]
] | A non-conformally invariant coupling between the inflaton and the photon in the minimal Lorentz-violating standard model extension is analyzed. For specific forms of the Lorentz-violating background tensor, the strong-coupling and backreaction problems of magnetogenesis in de Sitter inflation with scale $\sim 10^{16}$G... |
1611.04971 | Shahn Majid | Christopher Fritz and Shahn Majid | Noncommutative spherically symmetric spacetimes at semiclassical order | 47 pages 1 figure | null | 10.1088/1361-6382/aa72a5 | null | gr-qc hep-th math.QA | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Working within the recent formalism of Poisson-Riemannian geometry, we
completely solve the case of generic spherically symmetric metric and
spherically symmetric Poisson-bracket to find a unique answer for the quantum
differential calculus, quantum metric and quantum Levi-Civita connection at
semiclassical order $O(... | [
{
"created": "Tue, 15 Nov 2016 18:12:02 GMT",
"version": "v1"
}
] | 2017-06-28 | [
[
"Fritz",
"Christopher",
""
],
[
"Majid",
"Shahn",
""
]
] | Working within the recent formalism of Poisson-Riemannian geometry, we completely solve the case of generic spherically symmetric metric and spherically symmetric Poisson-bracket to find a unique answer for the quantum differential calculus, quantum metric and quantum Levi-Civita connection at semiclassical order $O(\l... |
2307.11975 | Harrison Siegel | Harrison Siegel, Maximiliano Isi, Will Farr | The Ringdown of GW190521: Hints of Multiple Quasinormal Modes with a
Precessional Interpretation | Data Release: https://doi.org/10.5281/zenodo.8169771 | null | null | LIGO-P2300214 | gr-qc astro-ph.HE | http://creativecommons.org/licenses/by/4.0/ | GW190521 is a short-duration, low-frequency gravitational-wave signal in the
LIGO-Virgo catalogue. The signal is consistent with the ringdown and possibly
some of the inspiral-merger of an intermediate-mass binary black-hole
coalescence. We find that previous models of the quasinormal mode spectrum in
the ringdown of... | [
{
"created": "Sat, 22 Jul 2023 04:05:35 GMT",
"version": "v1"
}
] | 2023-07-25 | [
[
"Siegel",
"Harrison",
""
],
[
"Isi",
"Maximiliano",
""
],
[
"Farr",
"Will",
""
]
] | GW190521 is a short-duration, low-frequency gravitational-wave signal in the LIGO-Virgo catalogue. The signal is consistent with the ringdown and possibly some of the inspiral-merger of an intermediate-mass binary black-hole coalescence. We find that previous models of the quasinormal mode spectrum in the ringdown of G... |
1807.00190 | Ekrem Aydiner Dr | Ozgur Sevinc and Ekrem Aydiner | Particle creation in FRW with variable $q$, $G$ and $\Lambda$ | 10 figures, several refs have been added | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this study, the mechanism of particle creation using varying gravitational
and cosmological constants and deceleration parameter has been studied for
Friedman-Robertson-Walker at high dimensions to explain early deceleration and
present accelerating phases. In order to investigate the dynamics of two
phases, we ha... | [
{
"created": "Sat, 30 Jun 2018 15:17:17 GMT",
"version": "v1"
},
{
"created": "Tue, 9 Oct 2018 06:11:47 GMT",
"version": "v2"
}
] | 2018-10-10 | [
[
"Sevinc",
"Ozgur",
""
],
[
"Aydiner",
"Ekrem",
""
]
] | In this study, the mechanism of particle creation using varying gravitational and cosmological constants and deceleration parameter has been studied for Friedman-Robertson-Walker at high dimensions to explain early deceleration and present accelerating phases. In order to investigate the dynamics of two phases, we have... |
1506.03968 | Subhra Bhattacharya | Subhra Bhattacharya and S. Chakraborty | $f(R)$ gravity solutions for evolving wormholes | null | null | 10.1140/epjc/s10052-017-5131-z | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Scalar-tensor $f(R)$ theory of gravity is considered in the framework of a
simple inhomogeneous space-time model. In this we use the reconstruction
technique to look for possible evolving wormhole solutions within viable $f(R)$
gravity formalism. These $f(R)$ models are then constrained so that they are
consistent wi... | [
{
"created": "Fri, 12 Jun 2015 10:27:01 GMT",
"version": "v1"
},
{
"created": "Thu, 25 Jun 2015 07:49:22 GMT",
"version": "v2"
},
{
"created": "Thu, 3 Nov 2016 05:53:00 GMT",
"version": "v3"
},
{
"created": "Fri, 11 Aug 2017 06:14:50 GMT",
"version": "v4"
}
] | 2017-08-14 | [
[
"Bhattacharya",
"Subhra",
""
],
[
"Chakraborty",
"S.",
""
]
] | Scalar-tensor $f(R)$ theory of gravity is considered in the framework of a simple inhomogeneous space-time model. In this we use the reconstruction technique to look for possible evolving wormhole solutions within viable $f(R)$ gravity formalism. These $f(R)$ models are then constrained so that they are consistent with... |
2101.07060 | Naoki Tsukamoto | Naoki Tsukamoto | Linearization stability of reflection-asymmetric thin-shell wormholes
with double shadows | 7 pages, 3 figures, minor correction, title changed, references
added, accepted for publication in Physical Review D | Phys. Rev. D 103, 064031 (2021) | 10.1103/PhysRevD.103.064031 | null | gr-qc | http://creativecommons.org/licenses/by/4.0/ | Wormholes are hypothetical objects which can be black hole mimickers with
strong gravitational fields. Recently, Wielgus et al. have constructed
reflection-asymmetric thin-shell wormholes which are composed of the parts of a
Schwarzschild spacetime and a Reissner-Nordstrom spacetime with two photon
spheres with diffe... | [
{
"created": "Mon, 18 Jan 2021 13:13:51 GMT",
"version": "v1"
},
{
"created": "Tue, 16 Mar 2021 11:36:05 GMT",
"version": "v2"
}
] | 2021-03-24 | [
[
"Tsukamoto",
"Naoki",
""
]
] | Wormholes are hypothetical objects which can be black hole mimickers with strong gravitational fields. Recently, Wielgus et al. have constructed reflection-asymmetric thin-shell wormholes which are composed of the parts of a Schwarzschild spacetime and a Reissner-Nordstrom spacetime with two photon spheres with differe... |
0906.3523 | Marcin Kazmierczak | Marcin Ka\'zmierczak | Modified coupling procedure for the Poincar\'e gauge theory of gravity | 4 pages | Phys.Rev.D79:127501,2009 | 10.1103/PhysRevD.79.127501 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The minimal coupling procedure, which is employed in standard Yang-Mills
theories, appears to be ambiguous in the case of gravity. We propose a slight
modification of this procedure, which removes the ambiguity. Our modification
justifies some earlier results concerning the consequences of the Poincar\'e
gauge theory... | [
{
"created": "Thu, 18 Jun 2009 20:25:29 GMT",
"version": "v1"
}
] | 2009-08-03 | [
[
"Kaźmierczak",
"Marcin",
""
]
] | The minimal coupling procedure, which is employed in standard Yang-Mills theories, appears to be ambiguous in the case of gravity. We propose a slight modification of this procedure, which removes the ambiguity. Our modification justifies some earlier results concerning the consequences of the Poincar\'e gauge theory o... |
1107.5086 | Emil Mottola | Emil Mottola | New Horizons in Gravity: Dark Energy and Condensate Stars | Plenary Talk given at the Spanish Relativity Meeting ERE2010, 6-10
Sept., 2010 in Granada, Spain. To be published in the Journal of Physics:
Conference Series | null | 10.1088/1742-6596/314/1/012010 | LANL-UR-11-10829 | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Black holes are an apparently unavoidable prediction of classical General
Relativity, at least if matter obeys the strong energy condition rho + 3p > 0.
However quantum vacuum fluctuations generally violate this condition, as does
the eq. of state of cosmological dark energy. When quantum effects are
considered, blac... | [
{
"created": "Mon, 25 Jul 2011 22:22:05 GMT",
"version": "v1"
}
] | 2015-05-28 | [
[
"Mottola",
"Emil",
""
]
] | Black holes are an apparently unavoidable prediction of classical General Relativity, at least if matter obeys the strong energy condition rho + 3p > 0. However quantum vacuum fluctuations generally violate this condition, as does the eq. of state of cosmological dark energy. When quantum effects are considered, black ... |
1512.09221 | Zi-Liang Wang | Zi-Liang Wang and Jian-Bo Deng | A model of eternal accelerated expansion without particle horizon | 10 pages | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In our previous paper \cite{8}, we proposed a cosmological model from the
emergence of space, which possesses a significant character of evaluating the
vacuum energy from the Hubble constant and the age of universe. And one problem
of this model is that there is no inflation in the early universe. In this
paper, we a... | [
{
"created": "Thu, 31 Dec 2015 05:59:29 GMT",
"version": "v1"
}
] | 2016-01-01 | [
[
"Wang",
"Zi-Liang",
""
],
[
"Deng",
"Jian-Bo",
""
]
] | In our previous paper \cite{8}, we proposed a cosmological model from the emergence of space, which possesses a significant character of evaluating the vacuum energy from the Hubble constant and the age of universe. And one problem of this model is that there is no inflation in the early universe. In this paper, we aim... |
0901.1301 | Parampreet Singh | Parampreet Singh | Transcending Big Bang in Loop Quantum Cosmology: Recent Advances | Invited plenary talk at the Sixth International Conference on
Gravitation and Cosmology, IUCAA (Pune). 13 pages, 3 figures | J.Phys.Conf.Ser.140:012005,2008 | 10.1088/1742-6596/140/1/012005 | PI-QG-114 | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We discuss the way non-perturbative quantization of cosmological spacetimes
in loop quantum cosmology provides insights on the physics of Planck scale and
the resolution of big bang singularity. In recent years, rigorous examination
of mathematical and physical aspects of the quantum theory has led to a
consistent qu... | [
{
"created": "Fri, 9 Jan 2009 19:47:21 GMT",
"version": "v1"
}
] | 2009-03-27 | [
[
"Singh",
"Parampreet",
""
]
] | We discuss the way non-perturbative quantization of cosmological spacetimes in loop quantum cosmology provides insights on the physics of Planck scale and the resolution of big bang singularity. In recent years, rigorous examination of mathematical and physical aspects of the quantum theory has led to a consistent quan... |
1308.6296 | Reinaldo Gleiser | Reinaldo J. Gleiser and Daniel E. Barraco | On the evolution of the momentarily static radiation free data in the
Apostolatos - Thorne cylindrical shell model | 27 pages, 12 figures | null | 10.1088/0264-9381/31/6/065003 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the evolution of the "Momentarily Static and Radiation Free" (MSRF)
initial data for the Apostolatos - Thorne cylindrical shell model. We analyze
the relation between the parameters characterizing the MSRF data those for the
corresponding final static configuration, and show that there is a priori no
conflic... | [
{
"created": "Wed, 28 Aug 2013 20:13:05 GMT",
"version": "v1"
}
] | 2014-03-05 | [
[
"Gleiser",
"Reinaldo J.",
""
],
[
"Barraco",
"Daniel E.",
""
]
] | We study the evolution of the "Momentarily Static and Radiation Free" (MSRF) initial data for the Apostolatos - Thorne cylindrical shell model. We analyze the relation between the parameters characterizing the MSRF data those for the corresponding final static configuration, and show that there is a priori no conflict ... |
1507.06507 | Pavel Ivanov | P. Ivanov and S. V. Chernov | A stochastic quasi-classical wavefunction of the Universe from the third
quantization procedure | To be published in PRD, several misprints have been corrected and a
reference has been added | null | 10.1103/PhysRevD.92.063507 | null | gr-qc astro-ph.CO hep-th math-ph math.MP | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | (abbreviated) We study quantized solutions of WdW equation describing a
closed FRW universe with a $\Lambda $ term and a set of massless scalar fields.
We show that when $\Lambda \ll 1$ in the natural units and the standard
$in$-vacuum state is considered, either wavefunction of the universe, $\Psi$,
or its derivativ... | [
{
"created": "Thu, 23 Jul 2015 14:16:35 GMT",
"version": "v1"
},
{
"created": "Fri, 14 Aug 2015 12:37:49 GMT",
"version": "v2"
}
] | 2015-09-23 | [
[
"Ivanov",
"P.",
""
],
[
"Chernov",
"S. V.",
""
]
] | (abbreviated) We study quantized solutions of WdW equation describing a closed FRW universe with a $\Lambda $ term and a set of massless scalar fields. We show that when $\Lambda \ll 1$ in the natural units and the standard $in$-vacuum state is considered, either wavefunction of the universe, $\Psi$, or its derivative ... |
0806.2240 | Krzysztof Roszkowski | Janusz Karkowski, Edward Malec, Krzysztof Roszkowski, Zdobyslaw
Swierczynski | Luminosity, redshift and gas abundance in general relativistic radiation
hydrodynamics | 3 figures | null | null | null | gr-qc astro-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Quasi-stationary flows of gas accreting onto a compact center are analyzed in
the framework of general-relativistic radiation hydrodynamics, under
assumptions of spherical symmetry and thin gas approximation. Numerical
investigation shows that luminosity, redshift and gas abundance are correlated.
The gas can constit... | [
{
"created": "Fri, 13 Jun 2008 13:08:11 GMT",
"version": "v1"
}
] | 2008-06-16 | [
[
"Karkowski",
"Janusz",
""
],
[
"Malec",
"Edward",
""
],
[
"Roszkowski",
"Krzysztof",
""
],
[
"Swierczynski",
"Zdobyslaw",
""
]
] | Quasi-stationary flows of gas accreting onto a compact center are analyzed in the framework of general-relativistic radiation hydrodynamics, under assumptions of spherical symmetry and thin gas approximation. Numerical investigation shows that luminosity, redshift and gas abundance are correlated. The gas can constitut... |
1809.05678 | Alexander B. Balakin | Alexander B. Balakin and Alexei S. Ilin | Dark Energy and Dark Matter Interaction: Kernels of Volterra Type and
Coincidence Problem | 15 pages, 0 figures, Invited paper for the Special Issue
"Cosmological Inflation, Dark Matter and Dark Energy" of the Journal Symmetry
(MDPI), Special Issue Editor: Kazuharu Bamba | Symmetry, 2018, 10, 411 (1-16) | 10.3390/sym10090411 | null | gr-qc astro-ph.CO hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study a new exactly solvable model of coupling of the Dark Energy and Dark
Matter, in the framework of which the kernel of non-gravitational interaction
is presented by the integral Volterra-type operator well-known in the classical
theory of fading memory. Exact solutions of this isotropic homogeneous
cosmologica... | [
{
"created": "Sat, 15 Sep 2018 09:12:55 GMT",
"version": "v1"
}
] | 2018-09-19 | [
[
"Balakin",
"Alexander B.",
""
],
[
"Ilin",
"Alexei S.",
""
]
] | We study a new exactly solvable model of coupling of the Dark Energy and Dark Matter, in the framework of which the kernel of non-gravitational interaction is presented by the integral Volterra-type operator well-known in the classical theory of fading memory. Exact solutions of this isotropic homogeneous cosmological ... |
2405.15035 | albert bonnefous | Albert Bonnefous, Yann Brenier, Roya Mohayaee | Monge-Amp\`ere gravity, optimal transport theory and their link to the
Galileons | 16 pages, 3 figures | null | null | null | gr-qc astro-ph.CO | http://creativecommons.org/licenses/by/4.0/ | Mathematicians have been proposing for sometimes that Monge-Amp\`ere
equation, a nonlinear generalization of the Poisson equation, where trace of
the Hessian is replaced by its determinant, provides an alternative
non-relativistic description of gravity. Monge-Amp\`ere equation is affine
invariant, has rich geometric... | [
{
"created": "Thu, 23 May 2024 20:13:14 GMT",
"version": "v1"
}
] | 2024-05-27 | [
[
"Bonnefous",
"Albert",
""
],
[
"Brenier",
"Yann",
""
],
[
"Mohayaee",
"Roya",
""
]
] | Mathematicians have been proposing for sometimes that Monge-Amp\`ere equation, a nonlinear generalization of the Poisson equation, where trace of the Hessian is replaced by its determinant, provides an alternative non-relativistic description of gravity. Monge-Amp\`ere equation is affine invariant, has rich geometric p... |
2204.13358 | Suresh C. Jaryal | Suresh C. Jaryal and Ayan Chatterjee | Spherical Gravitational Collapse in 4D Einstein-Gauss-Bonnet theory | 25 pages, 22 figures | null | null | null | gr-qc | http://creativecommons.org/licenses/by/4.0/ | In this paper, we study spherical gravitational collapse of inhomogeneous
pressureless matter in a well-defined $n \rightarrow4$d limit of the
Einstein-Gauss-Bonnet gravity. The collapse leads to either a black hole or a
massive naked singularity depending on time of formation of trapped surfaces.
More precisely, hor... | [
{
"created": "Thu, 28 Apr 2022 09:00:27 GMT",
"version": "v1"
},
{
"created": "Mon, 25 Jul 2022 15:03:05 GMT",
"version": "v2"
},
{
"created": "Fri, 4 Nov 2022 12:24:22 GMT",
"version": "v3"
}
] | 2022-11-07 | [
[
"Jaryal",
"Suresh C.",
""
],
[
"Chatterjee",
"Ayan",
""
]
] | In this paper, we study spherical gravitational collapse of inhomogeneous pressureless matter in a well-defined $n \rightarrow4$d limit of the Einstein-Gauss-Bonnet gravity. The collapse leads to either a black hole or a massive naked singularity depending on time of formation of trapped surfaces. More precisely, horiz... |
1205.5968 | Rong-Jia Yang | Rong-Jia Yang and Jingzhao Qi | Dynamics of generalized tachyon field | 9 pages, 5 figures, published version | Eur. Phys. J. C 72, 2095 (2012) | 10.1140/epjc/s10052-012-2095-x | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate the dynamics of generalized tachyon field in FRW spacetime. We
obtain the autonomous dynamical system for the general case. Because the
general autonomous dynamical system cannot be solved analytically, we discuss
two cases in detail: $\beta=1$ and $\beta=2$. We find the critical points and
study their... | [
{
"created": "Sun, 27 May 2012 14:28:07 GMT",
"version": "v1"
},
{
"created": "Mon, 6 Aug 2012 04:18:40 GMT",
"version": "v2"
}
] | 2012-08-07 | [
[
"Yang",
"Rong-Jia",
""
],
[
"Qi",
"Jingzhao",
""
]
] | We investigate the dynamics of generalized tachyon field in FRW spacetime. We obtain the autonomous dynamical system for the general case. Because the general autonomous dynamical system cannot be solved analytically, we discuss two cases in detail: $\beta=1$ and $\beta=2$. We find the critical points and study their s... |
2404.13112 | Vania Vellucci | Ra\'ul Carballo-Rubio, Stefano Liberati, Vania Vellucci | Geodesically complete universes | null | null | null | null | gr-qc | http://creativecommons.org/licenses/by-sa/4.0/ | Singularity theorems demonstrate the inevitable breakdown of the concept of
continuous, classical spacetime under highly general conditions. Quantum
gravity is expected to intervene to avoid singularities and models so far hint
towards several regularized geometries, in which limited spacetime regions
requiring full ... | [
{
"created": "Fri, 19 Apr 2024 18:00:17 GMT",
"version": "v1"
}
] | 2024-04-23 | [
[
"Carballo-Rubio",
"Raúl",
""
],
[
"Liberati",
"Stefano",
""
],
[
"Vellucci",
"Vania",
""
]
] | Singularity theorems demonstrate the inevitable breakdown of the concept of continuous, classical spacetime under highly general conditions. Quantum gravity is expected to intervene to avoid singularities and models so far hint towards several regularized geometries, in which limited spacetime regions requiring full qu... |
1601.04701 | Nikos Kalogeropoulos | Nikos Kalogeropoulos | Non-additive entropies in ... gravity ? | 6 pages, No figures, LaTex2e with World Scientific macros (WS
layout). Contribution to the 2nd LeCosPA International Symposium "Everything
About Gravity", Taipei, Taiwan,14-18 December 2015. To appear in the
Conference Proceedings | null | 10.1142/9789813203952_0025 | null | gr-qc cond-mat.stat-mech hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present aspects of entropic functionals relatively recently introduced in
Physics which are non-additive, in the conventional sense of the word, some of
which have a power-law functional form. We use as an example among them, and to
be concrete in this work the "Tsallis entropy", which has, arguably, the
simplest ... | [
{
"created": "Mon, 18 Jan 2016 10:21:36 GMT",
"version": "v1"
}
] | 2019-02-27 | [
[
"Kalogeropoulos",
"Nikos",
""
]
] | We present aspects of entropic functionals relatively recently introduced in Physics which are non-additive, in the conventional sense of the word, some of which have a power-law functional form. We use as an example among them, and to be concrete in this work the "Tsallis entropy", which has, arguably, the simplest fu... |
2301.00311 | Qing-Hua Zhu | Qing-Hua Zhu | Non-linear corrections of overlap reduction functions for pulsar timing
arrays | v1: 20 pages, 8 figures. v2: accepted version, 23 pages, 11 figures,
added the discussion about scalar-induced GWs | null | 10.1103/PhysRevD.107.103519 | null | gr-qc astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The signals from international pulsar timing arrays have presented a hint of
gravitational stochastic background in nHz band frequency. Further confirmation
will be based on whether the signals follow the angular correlation curves
formulated by the overlap reduction functions, known as Hellings-Downs curves.
This pa... | [
{
"created": "Sun, 1 Jan 2023 00:34:36 GMT",
"version": "v1"
},
{
"created": "Sun, 4 Feb 2024 05:36:49 GMT",
"version": "v2"
}
] | 2024-02-06 | [
[
"Zhu",
"Qing-Hua",
""
]
] | The signals from international pulsar timing arrays have presented a hint of gravitational stochastic background in nHz band frequency. Further confirmation will be based on whether the signals follow the angular correlation curves formulated by the overlap reduction functions, known as Hellings-Downs curves. This pape... |
2009.13448 | Yen Chin Ong | Sousuke Noda, Yen Chin Ong | Null Hypersurface Caustics, Closed Null Curves, and Super-Entropy | Improved the discussion on ultra-spinning Kerr-Sen-AdS Black Hole in
Sec.III(A) with new figures | Phys. Rev. D 103, 024053 (2021) | 10.1103/PhysRevD.103.024053 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Recently it was discovered that null hypersurfaces can develop caustics
outside the event horizon of super-entropic Kerr-AdS black holes, in contrast
to the usual Kerr-AdS case. In this work we explore a few more examples of
black hole spacetimes in which such exterior caustics can develop. If a closed
null curve is ... | [
{
"created": "Mon, 28 Sep 2020 16:15:30 GMT",
"version": "v1"
},
{
"created": "Sun, 1 Nov 2020 13:33:56 GMT",
"version": "v2"
}
] | 2021-02-03 | [
[
"Noda",
"Sousuke",
""
],
[
"Ong",
"Yen Chin",
""
]
] | Recently it was discovered that null hypersurfaces can develop caustics outside the event horizon of super-entropic Kerr-AdS black holes, in contrast to the usual Kerr-AdS case. In this work we explore a few more examples of black hole spacetimes in which such exterior caustics can develop. If a closed null curve is pr... |
2008.09664 | Wen-Cong Gan | Wen-Cong Gan, Nilton O. Santos, Fu-Wen Shu and Anzhong Wang | Properties of the spherically symmetric polymer black holes | 37 pages, 18 figures, 4 tables, v2: title changed, typos corrected,
paragraphs and references added, published version | Phys. Rev. D 102, 124030 (2020) | 10.1103/PhysRevD.102.124030 | null | gr-qc astro-ph.GA astro-ph.HE hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this paper we systematically study a five-parameters class of spherically
symmetric polymer black/white hole solutions, and find that only three
independent combinations are physical and uniquely determine the spacetime
properties. After exploring the whole 3-dimensional (3D) phase space, we find
that the model ha... | [
{
"created": "Fri, 21 Aug 2020 19:47:55 GMT",
"version": "v1"
},
{
"created": "Tue, 15 Mar 2022 11:28:24 GMT",
"version": "v2"
}
] | 2022-03-16 | [
[
"Gan",
"Wen-Cong",
""
],
[
"Santos",
"Nilton O.",
""
],
[
"Shu",
"Fu-Wen",
""
],
[
"Wang",
"Anzhong",
""
]
] | In this paper we systematically study a five-parameters class of spherically symmetric polymer black/white hole solutions, and find that only three independent combinations are physical and uniquely determine the spacetime properties. After exploring the whole 3-dimensional (3D) phase space, we find that the model has ... |
gr-qc/9307026 | Stephen Lau | Stephen Lau | Canonical variables and quasilocal energy in general relativity | (The manuscripts in the revised versions have not been changed. Some
problematic fonts have been removed, and some carriage returns have been
added), 31 pages, IFP-470 July 1993 | Class.Quant.Grav.10:2379-2399,1993 | 10.1088/0264-9381/10/11/021 | null | gr-qc | null | Recently Brown and York have devised a new method for defining quasilocal
energy in general relativity. Their method yields expressions for the
quasilocal energy and momentum surface densities associated with the
two-boundary of a spacelike slice of a spatially bounded spacetime. These
expressions are essentially Arn... | [
{
"created": "Wed, 21 Jul 1993 14:22:56 GMT",
"version": "v1"
},
{
"created": "Thu, 22 Jul 1993 13:59:42 GMT",
"version": "v2"
},
{
"created": "Wed, 28 Jul 1993 19:21:21 GMT",
"version": "v3"
}
] | 2010-04-06 | [
[
"Lau",
"Stephen",
""
]
] | Recently Brown and York have devised a new method for defining quasilocal energy in general relativity. Their method yields expressions for the quasilocal energy and momentum surface densities associated with the two-boundary of a spacelike slice of a spatially bounded spacetime. These expressions are essentially Arnow... |
gr-qc/0507107 | Paul S. Wesson | Paul S. Wesson | In Defense of Campbell's Theorum as a Frame for New Physics | null | null | null | null | gr-qc | null | The Campbell-Magaard theorem is widely seen as a way of embedding Einstein's
4D theory of general relativity in a 5D theory of the Kaluza-Klein type. We
give a brief history of theorem, present a short account of it, and show that
it provides a geometrical frame for new physics related to the unification of
the force... | [
{
"created": "Mon, 25 Jul 2005 21:55:08 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Wesson",
"Paul S.",
""
]
] | The Campbell-Magaard theorem is widely seen as a way of embedding Einstein's 4D theory of general relativity in a 5D theory of the Kaluza-Klein type. We give a brief history of theorem, present a short account of it, and show that it provides a geometrical frame for new physics related to the unification of the forces.... |
1208.2548 | Saskia Grunau | Saskia Grunau, Valeria Kagramanova, Jutta Kunz, Claus L\"ammerzahl | Geodesic Motion in the Singly Spinning Black Ring Spacetime | Changed some figures and captions according to a request of Phys.
Rev. D | Phys.Rev. D86 (2012) 104002 | 10.1103/PhysRevD.86.104002 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present analytical solutions of the geodesic equations of test particles
and light in the five dimensional singly spinning black ring spacetime for
special cases, since it does not appear possible to separate the
Hamilton-Jacobi-equation for singly spinning black rings in general. Based on
the study of the polynom... | [
{
"created": "Mon, 13 Aug 2012 11:21:47 GMT",
"version": "v1"
},
{
"created": "Fri, 31 Aug 2012 11:03:14 GMT",
"version": "v2"
},
{
"created": "Tue, 4 Dec 2012 13:08:48 GMT",
"version": "v3"
}
] | 2012-12-05 | [
[
"Grunau",
"Saskia",
""
],
[
"Kagramanova",
"Valeria",
""
],
[
"Kunz",
"Jutta",
""
],
[
"Lämmerzahl",
"Claus",
""
]
] | We present analytical solutions of the geodesic equations of test particles and light in the five dimensional singly spinning black ring spacetime for special cases, since it does not appear possible to separate the Hamilton-Jacobi-equation for singly spinning black rings in general. Based on the study of the polynomia... |
gr-qc/9406005 | null | Gary Kleppe | Greens Function for Anti de Sitter Gravity | 27 pages of Plain TeX, UAHEP9403 | Phys.Rev.D50:7335-7345,1994 | 10.1103/PhysRevD.50.7335 | null | gr-qc | null | We solve for the retarded Greens function for linearized gravity in a
background with a negative cosmological constant, anti de Sitter space. In this
background, it is possible for a signal to reach spatial infinity in a finite
time. Therefore the form of the Greens function depends on a choice of boundary
condition ... | [
{
"created": "Fri, 3 Jun 1994 16:40:15 GMT",
"version": "v1"
}
] | 2011-09-09 | [
[
"Kleppe",
"Gary",
""
]
] | We solve for the retarded Greens function for linearized gravity in a background with a negative cosmological constant, anti de Sitter space. In this background, it is possible for a signal to reach spatial infinity in a finite time. Therefore the form of the Greens function depends on a choice of boundary condition at... |
gr-qc/9808005 | Michael A. Clayton | M. A. Clayton | Canonical general relativity: Matter fields in a general linear frame | 13 pages; uses AMS-latex style files | J.Math.Phys. 40 (1999) 3476-3489 | 10.1063/1.532901 | CERN-TH/98--252 | gr-qc | null | Building on the results of previous work, we demonstrate how matter fields
are incorporated into the general linear frame approach to general relativity.
When considering the Maxwell one-form field, we find that the system that leads
naturally to canonical vierbein general relativity has the extrinsic curvature
of th... | [
{
"created": "Mon, 3 Aug 1998 09:34:41 GMT",
"version": "v1"
}
] | 2015-06-25 | [
[
"Clayton",
"M. A.",
""
]
] | Building on the results of previous work, we demonstrate how matter fields are incorporated into the general linear frame approach to general relativity. When considering the Maxwell one-form field, we find that the system that leads naturally to canonical vierbein general relativity has the extrinsic curvature of the ... |
1509.04074 | Mariusz Dabrowski P. | Konrad Marosek, Mariusz P. Dabrowski and Adam Balcerzak | Cyclic multiverses | 12 pages, 7 figures, MNRAS style, revised, matches published version | null | 10.1093/mnras/stw1424 | null | gr-qc astro-ph.CO hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Using the idea of regularisation of singularities due to the variability of
the fundamental constants in cosmology we study the cyclic universe models. We
find two models of oscillating and non-singular mass density and pressure
("non-singular" bounce) regularised by varying gravitational constant $G$
despite the sca... | [
{
"created": "Mon, 14 Sep 2015 13:06:54 GMT",
"version": "v1"
},
{
"created": "Thu, 7 Jul 2016 13:35:25 GMT",
"version": "v2"
}
] | 2016-07-27 | [
[
"Marosek",
"Konrad",
""
],
[
"Dabrowski",
"Mariusz P.",
""
],
[
"Balcerzak",
"Adam",
""
]
] | Using the idea of regularisation of singularities due to the variability of the fundamental constants in cosmology we study the cyclic universe models. We find two models of oscillating and non-singular mass density and pressure ("non-singular" bounce) regularised by varying gravitational constant $G$ despite the scale... |
1112.0903 | Christodoulakis Theodosios | T. Christodoulakis, N. Dimakis | Classical and Quantum Bianchi Type III vacuum Horava - Lifshitz
Cosmology | LaTeX 2e source file, 17 pages, no figures | null | 10.1016/j.geomphys.2012.09.005 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | A diagonal Bianchi Type III space-time is treated, both at the classical and
quantum level, in the context of Horava - Lifshitz gravity. The system of the
classical equations of motion is reduced to one independent Abel's equation of
the first kind. Closed form solution are presented for various values of the
couplin... | [
{
"created": "Mon, 5 Dec 2011 12:14:15 GMT",
"version": "v1"
}
] | 2016-11-25 | [
[
"Christodoulakis",
"T.",
""
],
[
"Dimakis",
"N.",
""
]
] | A diagonal Bianchi Type III space-time is treated, both at the classical and quantum level, in the context of Horava - Lifshitz gravity. The system of the classical equations of motion is reduced to one independent Abel's equation of the first kind. Closed form solution are presented for various values of the coupling ... |
gr-qc/0110011 | Ryan Lawrence | Ryan Lawrence, Michael Zucker, Peter Fritschel, Phil Marfuta and David
Shoemaker | Adaptive thermal compensation of test masses in advanced LIGO | 11 pages, 7 figures, submitted to Classical and Quantum Gravity | Class.Quant.Grav. 19 (2002) 1803-1812 | 10.1088/0264-9381/19/7/377 | LIGO document number P010023-00-R | gr-qc astro-ph | null | As the first generation of laser interferometric gravitational wave detectors
near operation, research and development has begun on increasing the
instrument's sensitivity while utilizing the existing infrastructure. In the
Laser Interferometer Gravitational Wave Observatory (LIGO), significant
improvements are being... | [
{
"created": "Mon, 1 Oct 2001 18:21:32 GMT",
"version": "v1"
}
] | 2009-11-07 | [
[
"Lawrence",
"Ryan",
""
],
[
"Zucker",
"Michael",
""
],
[
"Fritschel",
"Peter",
""
],
[
"Marfuta",
"Phil",
""
],
[
"Shoemaker",
"David",
""
]
] | As the first generation of laser interferometric gravitational wave detectors near operation, research and development has begun on increasing the instrument's sensitivity while utilizing the existing infrastructure. In the Laser Interferometer Gravitational Wave Observatory (LIGO), significant improvements are being p... |
2406.18368 | Taishi Katsuragawa | Taishi Katsuragawa, Shin'ichi Nojiri, Sergei D. Odintsov | Future singularity in anisotropic universe | 19 pages | null | null | KEK-TH-2632, KEK-Cosmo-0348 | gr-qc astro-ph.CO hep-th | http://creativecommons.org/licenses/by/4.0/ | We investigate future singularities originating from the anisotropy in the
universe. We formulate a new class of singularities in the homogeneous and
anisotropic universe, comparing them with the known singularities in the
homogeneous and isotropic universe. We also discuss the physical consequences
of the new singul... | [
{
"created": "Wed, 26 Jun 2024 14:12:57 GMT",
"version": "v1"
}
] | 2024-06-27 | [
[
"Katsuragawa",
"Taishi",
""
],
[
"Nojiri",
"Shin'ichi",
""
],
[
"Odintsov",
"Sergei D.",
""
]
] | We investigate future singularities originating from the anisotropy in the universe. We formulate a new class of singularities in the homogeneous and anisotropic universe, comparing them with the known singularities in the homogeneous and isotropic universe. We also discuss the physical consequences of the new singular... |
gr-qc/9907016 | Luz Maria Diaz-Rivera | L. M. Diaz-Rivera and L. O. Pimentel | Cosmological models with dynamical lambda in scalar-tensor theories | 20 pages, Latex file, a sign in Eq. (2.17) was corrected, reference
[37] was corrected | Phys.Rev. D60 (1999) 123501 | 10.1103/PhysRevD.60.123501 | null | gr-qc | null | In the context of a family os scalar-tensor theories with a dynamical
$\Lambda$, that is a binomial on the scalar field, the cosmological equations
are considered. A general barotropic state equation $p=(\gamma-1)\rho$, for a
perfect fluid is used for the matter content of the Universe. Some Friedmann-
Robertson-Walk... | [
{
"created": "Mon, 5 Jul 1999 20:03:29 GMT",
"version": "v1"
},
{
"created": "Thu, 11 Nov 1999 20:05:03 GMT",
"version": "v2"
}
] | 2009-10-31 | [
[
"Diaz-Rivera",
"L. M.",
""
],
[
"Pimentel",
"L. O.",
""
]
] | In the context of a family os scalar-tensor theories with a dynamical $\Lambda$, that is a binomial on the scalar field, the cosmological equations are considered. A general barotropic state equation $p=(\gamma-1)\rho$, for a perfect fluid is used for the matter content of the Universe. Some Friedmann- Robertson-Walker... |
1910.00892 | Michael Bradley | Robin T\"ornkvist and Michael Bradley | General Perfect Fluid Perturbations of Homogeneous and Orthogonal
Locally Rotationally Symmetric Class II Cosmologies | 19 pages | Phys. Rev. D 100, 124043 (2019) | 10.1103/PhysRevD.100.124043 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | First order perturbations of homogeneous and hypersurface orthogonal LRS
(Locally Rotationally Symmetric) class II cosmologies with a cosmological
constant are considered in the framework of the 1+1+2 covariant decomposition
of spacetime. The perturbations, which are of perfect fluid type, include
general scalar, vec... | [
{
"created": "Wed, 2 Oct 2019 11:55:18 GMT",
"version": "v1"
},
{
"created": "Thu, 3 Oct 2019 10:31:03 GMT",
"version": "v2"
}
] | 2019-12-25 | [
[
"Törnkvist",
"Robin",
""
],
[
"Bradley",
"Michael",
""
]
] | First order perturbations of homogeneous and hypersurface orthogonal LRS (Locally Rotationally Symmetric) class II cosmologies with a cosmological constant are considered in the framework of the 1+1+2 covariant decomposition of spacetime. The perturbations, which are of perfect fluid type, include general scalar, vecto... |
1606.00450 | Joan Sola | Joan Sola Peracaula, Javier de Cruz Perez, Adria Gomez-Valent | Dynamical dark energy versus $\Lambda=$const. in light of observations | Matches the published version in Europhys. Lett. 121 (2018) 39001 | EPL, 121 (2018) 39001 | 10.1209/0295-5075/121/39001 | null | gr-qc astro-ph.CO hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | After about two decades of the first observational papers confirming the
accelerated expansion of the universe, we are still facing the question whether
the cause of it is a rigid cosmological constant $\Lambda$-term or a mildly
evolving dynamical dark energy (DDE). While studies focusing mainly on CMB
measurements d... | [
{
"created": "Wed, 1 Jun 2016 20:00:09 GMT",
"version": "v1"
},
{
"created": "Tue, 7 Jun 2016 08:04:51 GMT",
"version": "v2"
},
{
"created": "Wed, 29 Mar 2017 16:55:49 GMT",
"version": "v3"
},
{
"created": "Wed, 21 Mar 2018 19:09:39 GMT",
"version": "v4"
},
{
"cre... | 2018-04-10 | [
[
"Peracaula",
"Joan Sola",
""
],
[
"Perez",
"Javier de Cruz",
""
],
[
"Gomez-Valent",
"Adria",
""
]
] | After about two decades of the first observational papers confirming the accelerated expansion of the universe, we are still facing the question whether the cause of it is a rigid cosmological constant $\Lambda$-term or a mildly evolving dynamical dark energy (DDE). While studies focusing mainly on CMB measurements do ... |
2203.03370 | Raja Solanki | Raja Solanki, Avik De, P.K. Sahoo | Complete dark energy scenario in $f(Q)$ gravity | Physics of the Dark Universe accepted version. arXiv admin note: text
overlap with arXiv:2201.06521 | Physics of the dark Universe, 36 (2022) 100996 | 10.1016/j.dark.2022.100996 | null | gr-qc hep-th | http://creativecommons.org/licenses/by/4.0/ | In theoretical physics, the fundamental nature and evolution mechanism of
dark energy is still an open question. In General Relativity Theory, the
simplest explanation for dark energy is the cosmological constant $\Lambda$.
However, the cosmological constant $\Lambda$ facing a sensitive problem called
fine-tunning pr... | [
{
"created": "Mon, 28 Feb 2022 16:04:48 GMT",
"version": "v1"
}
] | 2022-03-09 | [
[
"Solanki",
"Raja",
""
],
[
"De",
"Avik",
""
],
[
"Sahoo",
"P. K.",
""
]
] | In theoretical physics, the fundamental nature and evolution mechanism of dark energy is still an open question. In General Relativity Theory, the simplest explanation for dark energy is the cosmological constant $\Lambda$. However, the cosmological constant $\Lambda$ facing a sensitive problem called fine-tunning prob... |
gr-qc/9906087 | Jose M. M. Senovilla | J.M.M. Senovilla | Super-energy tensors | 60 pages, no figures | Class.Quant.Grav. 17 (2000) 2799-2842 | 10.1088/0264-9381/17/14/313 | null | gr-qc hep-th math-ph math.DG math.MP | null | A purely algebraic construction of super-energy tensors for arbitrary fields
is presented in any dimensions. These tensors have good mathematical and
physical properties, and they can be used in any theory having as basic arena
an n-dimensional manifold with a metric of Lorentzian signature. In general,
the completel... | [
{
"created": "Mon, 21 Jun 1999 18:28:25 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Senovilla",
"J. M. M.",
""
]
] | A purely algebraic construction of super-energy tensors for arbitrary fields is presented in any dimensions. These tensors have good mathematical and physical properties, and they can be used in any theory having as basic arena an n-dimensional manifold with a metric of Lorentzian signature. In general, the completely ... |
2211.09578 | Seth Asante | Seth K. Asante, Bianca Dittrich and Sebastian Steinhaus | Spin foams, Refinement limit and Renormalization | This preprint is to appear as a chapter in "Handbook of Quantum
Gravity" (Editors: C. Bambi, L. Modesto and I.L. Shapiro), Springer. 38
pages, 7 figures | null | null | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Spin foams provide path integrals for quantum gravity, which employ
discretizations as regulator. To obtain regulator independent predictions, we
must remove these fiducial structures in a suitable refinement limit. In this
chapter we present the current state of research: We begin with a discussion on
the role of di... | [
{
"created": "Thu, 17 Nov 2022 15:09:58 GMT",
"version": "v1"
}
] | 2022-11-18 | [
[
"Asante",
"Seth K.",
""
],
[
"Dittrich",
"Bianca",
""
],
[
"Steinhaus",
"Sebastian",
""
]
] | Spin foams provide path integrals for quantum gravity, which employ discretizations as regulator. To obtain regulator independent predictions, we must remove these fiducial structures in a suitable refinement limit. In this chapter we present the current state of research: We begin with a discussion on the role of diff... |
1808.04711 | Mubasher Jamil | Koray D\"uzta\c{s}, Mubasher Jamil, Sanjar Shaymatov, Bobomurat
Ahmedov | Testing Cosmic Censorship Conjecture for Extremal and Near-extremal
(2+1)-dimensional MTZ Black Holes | 7 pages, 2 figures, to appear in Classical and Quantum Gravity | Class. Quantum Grav. 37, 175005 (2020) | 10.1088/1361-6382/ab9d96 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We test the validity of the weak cosmic censorship conjecture for the
($2+1$)-dimensional charged anti-de Sitter black hole solution, which was
derived by Martinez, Teitelboim, and Zanelli (MTZ). We first construct a
thought experiment by throwing test charged particles on an extremal MTZ black
hole. We derive that e... | [
{
"created": "Mon, 13 Aug 2018 06:55:52 GMT",
"version": "v1"
},
{
"created": "Fri, 16 Aug 2019 02:39:07 GMT",
"version": "v2"
},
{
"created": "Mon, 27 Jul 2020 03:14:07 GMT",
"version": "v3"
}
] | 2020-08-06 | [
[
"Düztaş",
"Koray",
""
],
[
"Jamil",
"Mubasher",
""
],
[
"Shaymatov",
"Sanjar",
""
],
[
"Ahmedov",
"Bobomurat",
""
]
] | We test the validity of the weak cosmic censorship conjecture for the ($2+1$)-dimensional charged anti-de Sitter black hole solution, which was derived by Martinez, Teitelboim, and Zanelli (MTZ). We first construct a thought experiment by throwing test charged particles on an extremal MTZ black hole. We derive that ext... |
1805.05706 | Yan Peng | Yan Peng | Scalar condensation behaviors around regular Neuman reflecting stars | 9 pages, 1 figure | Nuclear Physics B 934(2018)459-465 | 10.1016/j.nuclphysb.2018.07.021 | null | gr-qc hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study static massive scalar field condensations in the regular
asymptotically flat reflecting star background. We impose Neumann reflecting
surface boundary conditions for the scalar field. We show that the no hair
theorem holds in the neutral reflecting star background. For charged reflecting
stars, we provide bo... | [
{
"created": "Tue, 15 May 2018 11:15:13 GMT",
"version": "v1"
},
{
"created": "Wed, 1 Aug 2018 09:19:21 GMT",
"version": "v2"
}
] | 2018-08-02 | [
[
"Peng",
"Yan",
""
]
] | We study static massive scalar field condensations in the regular asymptotically flat reflecting star background. We impose Neumann reflecting surface boundary conditions for the scalar field. We show that the no hair theorem holds in the neutral reflecting star background. For charged reflecting stars, we provide boun... |
0903.5171 | Davood Momeni | Davood Momeni, H. Miraghaei | Exact solution for the massless Cylindrically Symmetric Scalar Field in
General Relativity, with Cosmological Constant | 9 Pages, No figures,accepted for publication in "International
journal of modern physics A"(IJMPA), Cosmological models is
discussed,replaced with the published version | Int.J.Mod.Phys.A24:5991-6000,2009 | 10.1142/S0217751X09046369 | null | gr-qc math-ph math.MP | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this article we present a new exact solution for scalar field with
cosmological constant in cylindrical symmetry. Associated cosmological models
is discussed. One of them describes a Cyclic universe.
| [
{
"created": "Mon, 30 Mar 2009 10:05:11 GMT",
"version": "v1"
},
{
"created": "Tue, 14 Apr 2009 14:22:40 GMT",
"version": "v2"
},
{
"created": "Tue, 12 May 2009 14:55:08 GMT",
"version": "v3"
},
{
"created": "Mon, 8 Jun 2009 12:10:42 GMT",
"version": "v4"
}
] | 2010-01-07 | [
[
"Momeni",
"Davood",
""
],
[
"Miraghaei",
"H.",
""
]
] | In this article we present a new exact solution for scalar field with cosmological constant in cylindrical symmetry. Associated cosmological models is discussed. One of them describes a Cyclic universe. |
2304.11289 | Hongchao Zhang | Hongchao Zhang, Tao Zhu, Anzhong Wang | Cosmological Constant, Inflaton, and Dark Matter all Naturally
Originated from Poincar\'e Gauge Gravity | 6 pages, 6 figures | Phys. Rev. D 109, 064014 (2024) | 10.1103/PhysRevD.109.064014 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We propose a cosmological model in the framework of Poincar\'e gauge gravity,
in which cosmological constant, inflaton, and dark matter candidate all
naturally originate. Cosmological constant originates in the process of
breaking of the Poincar\'e symmetries down to the Lorentz symmetries. We select
a gauge Lagrangi... | [
{
"created": "Sat, 22 Apr 2023 01:37:45 GMT",
"version": "v1"
},
{
"created": "Mon, 8 May 2023 04:20:37 GMT",
"version": "v2"
},
{
"created": "Mon, 12 Feb 2024 14:33:59 GMT",
"version": "v3"
}
] | 2024-03-08 | [
[
"Zhang",
"Hongchao",
""
],
[
"Zhu",
"Tao",
""
],
[
"Wang",
"Anzhong",
""
]
] | We propose a cosmological model in the framework of Poincar\'e gauge gravity, in which cosmological constant, inflaton, and dark matter candidate all naturally originate. Cosmological constant originates in the process of breaking of the Poincar\'e symmetries down to the Lorentz symmetries. We select a gauge Lagrangian... |
0907.1951 | Yosef Verbin | Y. Brihaye, Y. Verbin | Spherical Structures in Conformal Gravity and its Scalar-Tensor
Extension | 24 pages, revised version, accepted for publication in Phys. Rev. D | Phys.Rev.D80:124048,2009 | 10.1103/PhysRevD.80.124048 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study spherically-symmetric structures in Conformal Gravity and in a
scalar-tensor extension and gain some more insight about these gravitational
theories. In both cases we analyze solutions in two systems: perfect fluid
solutions and boson stars of a self-interacting complex scalar field. In the
purely tensorial ... | [
{
"created": "Sat, 11 Jul 2009 09:21:49 GMT",
"version": "v1"
},
{
"created": "Tue, 24 Nov 2009 06:51:17 GMT",
"version": "v2"
}
] | 2010-01-07 | [
[
"Brihaye",
"Y.",
""
],
[
"Verbin",
"Y.",
""
]
] | We study spherically-symmetric structures in Conformal Gravity and in a scalar-tensor extension and gain some more insight about these gravitational theories. In both cases we analyze solutions in two systems: perfect fluid solutions and boson stars of a self-interacting complex scalar field. In the purely tensorial (o... |
gr-qc/0305092 | F. I. Cooperstock | F. I. Cooperstock (University of Victoria), V. Faraoni (University of
Northern B.C.) | The New Planck Scale: Quantized Spin and Charge Coupled to Gravity | 8 pages, This essay received an "honourable mention" in the 2003
Essay Competition of the Gravity Research Foundation | Int.J.Mod.Phys. D12 (2003) 1657-1662 | 10.1142/S0218271803004134 | null | gr-qc astro-ph hep-th | null | In the standard approach to defining a Planck scale where gravity is brought
into the quantum domain, the Schwarzschild gravitational radius is set equal to
the Compton wavelength. However, ignored thereby are the charge and spin, the
fundamental quantized aspects of matter. The gravitational and null-surface
radii o... | [
{
"created": "Fri, 23 May 2003 19:21:08 GMT",
"version": "v1"
}
] | 2009-11-10 | [
[
"Cooperstock",
"F. I.",
"",
"University of Victoria"
],
[
"Faraoni",
"V.",
"",
"University of\n Northern B.C."
]
] | In the standard approach to defining a Planck scale where gravity is brought into the quantum domain, the Schwarzschild gravitational radius is set equal to the Compton wavelength. However, ignored thereby are the charge and spin, the fundamental quantized aspects of matter. The gravitational and null-surface radii of ... |
0802.4145 | Juan A. Valiente-Kroon | Juan A. Valiente Kroon | Estimates for the Maxwell field near the spatial and null infinity of
the Schwarzschild spacetime | 32 pages | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | It is shown how the gauge of the ``regular finite initial value problem at
spacelike infinity'' can be used to construct a certain type of estimates for
the Maxwell field propagating on a Schwarzschild background. These estimates
are constructed with the objective of obtaining information about the
smoothness near sp... | [
{
"created": "Thu, 28 Feb 2008 08:46:19 GMT",
"version": "v1"
}
] | 2008-02-29 | [
[
"Kroon",
"Juan A. Valiente",
""
]
] | It is shown how the gauge of the ``regular finite initial value problem at spacelike infinity'' can be used to construct a certain type of estimates for the Maxwell field propagating on a Schwarzschild background. These estimates are constructed with the objective of obtaining information about the smoothness near spac... |
2404.04901 | Luis Herrera | L. Herrera, A. Di Prisco | Cracking and complexity of self-gravitating dissipative compact objects | 13 pages Revtex-4, 1 figure. Published in PRD | Phys. Rev. D 109, 064071, (2024) | null | null | gr-qc | http://creativecommons.org/licenses/by-nc-nd/4.0/ | The concept of cracking refers to the tendency of a fluid distribution to
"split'', once it abandons the equilibrium. In this manuscript we develop a
general formalism to describe the occurrence of cracking within a dissipative
fluid distribution, in comoving coordinates. The role of dissipative processes
in the occu... | [
{
"created": "Sun, 7 Apr 2024 09:59:10 GMT",
"version": "v1"
}
] | 2024-04-09 | [
[
"Herrera",
"L.",
""
],
[
"Di Prisco",
"A.",
""
]
] | The concept of cracking refers to the tendency of a fluid distribution to "split'', once it abandons the equilibrium. In this manuscript we develop a general formalism to describe the occurrence of cracking within a dissipative fluid distribution, in comoving coordinates. The role of dissipative processes in the occurr... |
gr-qc/0411140 | Thomas Thiemann | Bianca Dittrich and Thomas Thiemann | Testing the Master Constraint Programme for Loop Quantum Gravity III.
SL(2,R) Models | 33 pages, no figures | Class.Quant.Grav. 23 (2006) 1089-1120 | 10.1088/0264-9381/23/4/003 | AEI-2004-118 | gr-qc hep-th math-ph math.MP | null | This is the third paper in our series of five in which we test the Master
Constraint Programme for solving the Hamiltonian constraint in Loop Quantum
Gravity. In this work we analyze models which, despite the fact that the phase
space is finite dimensional, are much more complicated than in the second
paper: These ar... | [
{
"created": "Mon, 29 Nov 2004 19:09:37 GMT",
"version": "v1"
}
] | 2009-11-10 | [
[
"Dittrich",
"Bianca",
""
],
[
"Thiemann",
"Thomas",
""
]
] | This is the third paper in our series of five in which we test the Master Constraint Programme for solving the Hamiltonian constraint in Loop Quantum Gravity. In this work we analyze models which, despite the fact that the phase space is finite dimensional, are much more complicated than in the second paper: These are ... |
1212.5418 | Alan D. Rendall | Alan D. Rendall | Construction of oscillatory singularities | 12 pages, submitted to proceedings of Spanish Relativity Conference
in Portugal, 2012 | null | null | AEI-2012-206 | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | One way to understand more about spacetime singularities is to construct
solutions of the Einstein equations containing singularities with prescribed
properties. The heuristic ideas of the BKL picture suggest that oscillatory
singularities should be very common and give a detailed picture of how these
could look. The... | [
{
"created": "Fri, 21 Dec 2012 12:35:54 GMT",
"version": "v1"
}
] | 2012-12-24 | [
[
"Rendall",
"Alan D.",
""
]
] | One way to understand more about spacetime singularities is to construct solutions of the Einstein equations containing singularities with prescribed properties. The heuristic ideas of the BKL picture suggest that oscillatory singularities should be very common and give a detailed picture of how these could look. The m... |
2005.03306 | Michael Ebersold | Michael Ebersold, Shubhanshu Tiwari | Search for nonlinear memory from subsolar mass compact binary mergers | 7 pages, 6 figures | Phys. Rev. D 101, 104041 (2020) | 10.1103/PhysRevD.101.104041 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present the first results of the search for nonlinear memory from subsolar
mass binary black hole (BBH) mergers during the second observing run (O2) of
the LIGO and Virgo detectors. The oscillatory chirp signal from the inspiral
and merger of low mass BBHs ($M_\mathrm{Tot} \leq 0.4 M_\odot$) are at very
high frequ... | [
{
"created": "Thu, 7 May 2020 08:06:25 GMT",
"version": "v1"
},
{
"created": "Mon, 18 May 2020 07:44:03 GMT",
"version": "v2"
}
] | 2020-05-25 | [
[
"Ebersold",
"Michael",
""
],
[
"Tiwari",
"Shubhanshu",
""
]
] | We present the first results of the search for nonlinear memory from subsolar mass binary black hole (BBH) mergers during the second observing run (O2) of the LIGO and Virgo detectors. The oscillatory chirp signal from the inspiral and merger of low mass BBHs ($M_\mathrm{Tot} \leq 0.4 M_\odot$) are at very high frequen... |
1410.1737 | Mustapha Azreg-A\"inou | Mustapha Azreg-A\"inou | Charged de Sitter-like black holes: quintessence-dependent enthalpy and
new extreme solutions | Minor corrections. Section VI extended | Eur. Phys. J. C (2015) 75:34 | 10.1140/epjc/s10052-015-3258-3 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider Reissner-Nordstr\"{o}m black holes surrounded by quintessence
where both a non-extremal event horizon and a cosmological horizon exist
besides an inner horizon ($-1\leq \omega <-1/3$). We determine new extreme
black hole solutions that generalize the Nariai horizon to asymptotically de
Sitter-like solutio... | [
{
"created": "Tue, 7 Oct 2014 14:14:03 GMT",
"version": "v1"
},
{
"created": "Thu, 9 Oct 2014 16:40:32 GMT",
"version": "v2"
}
] | 2015-01-30 | [
[
"Azreg-Aïnou",
"Mustapha",
""
]
] | We consider Reissner-Nordstr\"{o}m black holes surrounded by quintessence where both a non-extremal event horizon and a cosmological horizon exist besides an inner horizon ($-1\leq \omega <-1/3$). We determine new extreme black hole solutions that generalize the Nariai horizon to asymptotically de Sitter-like solutions... |
2407.12462 | Kaushik Ghosh Dr. | Kaushik Ghosh | Affine Connection and Quantum Theory | 17 pages, accepted in Quantum Studies: Mathematics and Foundations | null | 10.1007/s40509-024-00340-9 | null | gr-qc hep-th | http://creativecommons.org/licenses/by/4.0/ | In a few recent manuscripts, we used the affine connection to introduce two
massless scalar fields in the Einstein-Palatini action. These fields lead to
non-metricity. In this article, we will discuss the significance of these
fields in inflation and dark energy. We will construct a Lagrangian formalism
to include th... | [
{
"created": "Wed, 17 Jul 2024 10:26:18 GMT",
"version": "v1"
}
] | 2024-07-18 | [
[
"Ghosh",
"Kaushik",
""
]
] | In a few recent manuscripts, we used the affine connection to introduce two massless scalar fields in the Einstein-Palatini action. These fields lead to non-metricity. In this article, we will discuss the significance of these fields in inflation and dark energy. We will construct a Lagrangian formalism to include thes... |
2009.06044 | Luciano Petruzziello | Luciano Petruzziello | Comment on "Neutrino decoherence in presence of strong gravitational
fields" | null | null | 10.1016/j.physletb.2020.135784 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The present work can be regarded as a corollary to the paper titled "Neutrino
decoherence in presence of strong gravitational fields". Specifically, we
investigate the gravitationally-induced decoherence on neutrino oscillation
from the point of view of a locally inertial observer at rest with neutrino
propagation. I... | [
{
"created": "Sun, 13 Sep 2020 17:06:16 GMT",
"version": "v1"
}
] | 2020-10-28 | [
[
"Petruzziello",
"Luciano",
""
]
] | The present work can be regarded as a corollary to the paper titled "Neutrino decoherence in presence of strong gravitational fields". Specifically, we investigate the gravitationally-induced decoherence on neutrino oscillation from the point of view of a locally inertial observer at rest with neutrino propagation. In ... |
gr-qc/9606045 | null | Sean A. Hayward | Comment on "Failure of standard conservation laws at a classical change
of signature" | 3 pages, TeX | Phys.Rev. D52 (1995) 7331 | 10.1103/PhysRevD.52.7331 | null | gr-qc | null | Hellaby & Dray (gr-qc/9404001) have recently claimed that matter conservation
fails under a change of signature, compounding earlier claims that the standard
junction conditions for signature change are unnecessary. In fact, if the field
equations are satisfied, then the junction conditions and the conservation
equat... | [
{
"created": "Mon, 17 Jun 1996 07:55:37 GMT",
"version": "v1"
}
] | 2016-08-31 | [
[
"Hayward",
"Sean A.",
""
]
] | Hellaby & Dray (gr-qc/9404001) have recently claimed that matter conservation fails under a change of signature, compounding earlier claims that the standard junction conditions for signature change are unnecessary. In fact, if the field equations are satisfied, then the junction conditions and the conservation equatio... |
gr-qc/9310019 | B. R. Iyer | B.R.Iyer and C.V.Vishveshwara | The Frenet Serret Description of Gyroscopic Precession | 37 pages, Paper in Latex | Phys.Rev.D48:5706-5720,1993 | 10.1103/PhysRevD.48.5706 | null | gr-qc | null | The phenomenon of gyroscopic precession is studied within the framework of
Frenet-Serret formalism adapted to quasi-Killing trajectories. Its relation to
the congruence vorticity is highlighted with particular reference to the
irrotational congruence admitted by the stationary, axisymmetric spacetime.
General precess... | [
{
"created": "Tue, 12 Oct 1993 10:44:52 GMT",
"version": "v1"
},
{
"created": "Mon, 18 Oct 1993 09:38:07 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Iyer",
"B. R.",
""
],
[
"Vishveshwara",
"C. V.",
""
]
] | The phenomenon of gyroscopic precession is studied within the framework of Frenet-Serret formalism adapted to quasi-Killing trajectories. Its relation to the congruence vorticity is highlighted with particular reference to the irrotational congruence admitted by the stationary, axisymmetric spacetime. General precessio... |
gr-qc/0508101 | Vladimir S. Manko | J.A. Rueda, V.S. Manko, E. Ruiz and J.D. Sanabria-Gomez | The double-Kerr equilibrium configurations involving one extreme object | 12 pages, 3 figures, submitted to Class. Quantum Grav | Class.Quant.Grav. 22 (2005) 4887-4894 | 10.1088/0264-9381/22/22/013 | null | gr-qc | null | We demonstrate the existence of equilibrium states in the limiting cases of
the double-Kerr solution when one of the constituents is an extreme object. In
the `extreme-subextreme' case the negative mass of one of the constituents is
required for the balance, whereas in the `extreme-superextreme' equilibrium
configura... | [
{
"created": "Thu, 25 Aug 2005 16:47:34 GMT",
"version": "v1"
}
] | 2009-11-11 | [
[
"Rueda",
"J. A.",
""
],
[
"Manko",
"V. S.",
""
],
[
"Ruiz",
"E.",
""
],
[
"Sanabria-Gomez",
"J. D.",
""
]
] | We demonstrate the existence of equilibrium states in the limiting cases of the double-Kerr solution when one of the constituents is an extreme object. In the `extreme-subextreme' case the negative mass of one of the constituents is required for the balance, whereas in the `extreme-superextreme' equilibrium configurati... |
2201.00949 | Ehsan Hatefi | Ehsan Hatefi, Armin Hatefi | Nonlinear Statistical Spline Smoothers for Critical Spherical Black Hole
Solutions in 4-dimension | V2: Minor revision, 34 pages, 12 figures, and 9 tables. Accepted
version to be published in Annals of Physics | Annals of Physics 446, 2022, 169112 | 10.1016/j.aop.2022.169112 | null | gr-qc cond-mat.stat-mech hep-th physics.comp-ph physics.data-an | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | This paper focuses on self-similar gravitational collapse solutions of the
Einstein--axion-dilaton configuration for two conjugacy classes of SL(2, R)
transformations. These solutions are invariant under spacetime dilation,
combined with internal transformations. For the first time in
Einstein--axion-dilaton literatu... | [
{
"created": "Tue, 4 Jan 2022 02:55:24 GMT",
"version": "v1"
},
{
"created": "Mon, 5 Sep 2022 15:10:13 GMT",
"version": "v2"
}
] | 2022-12-01 | [
[
"Hatefi",
"Ehsan",
""
],
[
"Hatefi",
"Armin",
""
]
] | This paper focuses on self-similar gravitational collapse solutions of the Einstein--axion-dilaton configuration for two conjugacy classes of SL(2, R) transformations. These solutions are invariant under spacetime dilation, combined with internal transformations. For the first time in Einstein--axion-dilaton literature... |
1712.00784 | Xi-Long Fan | Xi-Long Fan and Yan-Bei Chen | Stochastic gravitational-wave background from spin loss of black holes | null | Phys. Rev. D 98, 044020 (2018) | 10.1103/PhysRevD.98.044020 | LIGO-P1700409-v3 | gr-qc astro-ph.HE | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Although spinning black holes are shown to be stable in vacuum in general
relativity, there exists exotic mechanisms that can convert the spin energy of
black holes into gravitational waves. Such waves may be very weak in amplitude,
since the spin-down could take a long time, and a direct search may not be
feasible. ... | [
{
"created": "Sun, 3 Dec 2017 16:03:23 GMT",
"version": "v1"
},
{
"created": "Tue, 5 Dec 2017 05:47:48 GMT",
"version": "v2"
},
{
"created": "Tue, 14 Aug 2018 14:32:57 GMT",
"version": "v3"
}
] | 2018-08-22 | [
[
"Fan",
"Xi-Long",
""
],
[
"Chen",
"Yan-Bei",
""
]
] | Although spinning black holes are shown to be stable in vacuum in general relativity, there exists exotic mechanisms that can convert the spin energy of black holes into gravitational waves. Such waves may be very weak in amplitude, since the spin-down could take a long time, and a direct search may not be feasible. We... |
1503.03030 | Irais Rubalcava-Garcia | Alejandro Corichi and Irais Rubalcava-Garcia | Energy in first order 2+1 gravity | 36 pages, typos corrected, references added | Phys. Rev. D 92, 044040 (2015) | 10.1103/PhysRevD.92.044040 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider $\Lambda$=0 three dimensional gravity with asymptotically flat
boundary conditions. This system was studied by Ashtekar and Varadarajan within
the second order formalism -with metric variables- who showed that the
Regge-Teitelboim formalism yields a consistent Hamiltonian description where,
surprisingly, ... | [
{
"created": "Tue, 10 Mar 2015 18:34:58 GMT",
"version": "v1"
},
{
"created": "Thu, 19 Mar 2015 18:56:10 GMT",
"version": "v2"
}
] | 2015-08-26 | [
[
"Corichi",
"Alejandro",
""
],
[
"Rubalcava-Garcia",
"Irais",
""
]
] | We consider $\Lambda$=0 three dimensional gravity with asymptotically flat boundary conditions. This system was studied by Ashtekar and Varadarajan within the second order formalism -with metric variables- who showed that the Regge-Teitelboim formalism yields a consistent Hamiltonian description where, surprisingly, th... |
2311.09025 | Jo\~ao Paulo Bessa Brito | Jo\~ao P. B. Brito, Lu\'is C. B. Crispino, Atsushi Higuchi | Gravitational bremsstrahlung and the Fulling-Davies-Unruh thermal bath | 14 pages, 1 figure, published version | Phys. Rev. D 109, 064080, 2024 | 10.1103/PhysRevD.109.064080 | null | gr-qc hep-th | http://creativecommons.org/licenses/by/4.0/ | The electromagnetic radiation emitted by an accelerated charged particle can
be described theoretically as the interaction of the charge with the so-called
Fulling-Davies-Unruh thermal bath in the coordinate frame co-accelerated with
the charge. We present a similar analysis on the gravitational radiation from a
clas... | [
{
"created": "Wed, 15 Nov 2023 15:14:49 GMT",
"version": "v1"
},
{
"created": "Thu, 4 Jan 2024 15:08:47 GMT",
"version": "v2"
},
{
"created": "Sun, 31 Mar 2024 01:36:37 GMT",
"version": "v3"
}
] | 2024-04-02 | [
[
"Brito",
"João P. B.",
""
],
[
"Crispino",
"Luís C. B.",
""
],
[
"Higuchi",
"Atsushi",
""
]
] | The electromagnetic radiation emitted by an accelerated charged particle can be described theoretically as the interaction of the charge with the so-called Fulling-Davies-Unruh thermal bath in the coordinate frame co-accelerated with the charge. We present a similar analysis on the gravitational radiation from a classi... |
1810.03550 | Lionel London | L. London and E. Fauchon-Jones | On modeling for Kerr black holes: Basis learning, QNM frequencies, and
spherical-spheroidal mixing coefficients | null | 2019 Class. Quantum Grav. 36 235015 | 10.1088/1361-6382/ab2f11 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Models of black hole properties play an important role in the ongoing direct
detection of gravitational waves from black hole binaries. One important aspect
of model based gravitational wave detection, and subsequent estimation of
source parameters, are the low level modeling of information related to
perturbed Kerr ... | [
{
"created": "Mon, 8 Oct 2018 16:10:17 GMT",
"version": "v1"
},
{
"created": "Sun, 3 Feb 2019 21:00:08 GMT",
"version": "v2"
}
] | 2019-11-21 | [
[
"London",
"L.",
""
],
[
"Fauchon-Jones",
"E.",
""
]
] | Models of black hole properties play an important role in the ongoing direct detection of gravitational waves from black hole binaries. One important aspect of model based gravitational wave detection, and subsequent estimation of source parameters, are the low level modeling of information related to perturbed Kerr bl... |
1109.3352 | Babak Vakili | Babak Vakili and Farhad Khazaie | Noether symmetric classical and quantum scalar field cosmology | 18 pages, 13 figures, revised version, to appear in CQG | Class. Quantum Grav. 29 (2012) 035015 | 10.1088/0264-9381/29/3/035015 | null | gr-qc astro-ph.CO hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the evolution of a two dimensional minisuperspace cosmological model
in classical and quantum levels by the Noether symmetry approach. The phase
space variables turn out to correspond to the scale factor of a
Friedmann-Robertson-Walker (FRW) model and a scalar field with which the action
of the model is augm... | [
{
"created": "Thu, 15 Sep 2011 14:05:56 GMT",
"version": "v1"
},
{
"created": "Fri, 16 Dec 2011 09:10:54 GMT",
"version": "v2"
}
] | 2012-01-23 | [
[
"Vakili",
"Babak",
""
],
[
"Khazaie",
"Farhad",
""
]
] | We study the evolution of a two dimensional minisuperspace cosmological model in classical and quantum levels by the Noether symmetry approach. The phase space variables turn out to correspond to the scale factor of a Friedmann-Robertson-Walker (FRW) model and a scalar field with which the action of the model is augmen... |
1101.2324 | Carlos F. Sopuerta | Jose Luis Jaramillo (1 and 2), Carlos F. Sopuerta (3), Priscilla
Canizares (3) ((1) AEI, (2) LUTH, (3) ICE, CSIC-IEEC) | Are Time-Domain Self-Force Calculations Contaminated by Jost Solutions? | RevTeX. 5 pages, 2 figures. Version updated to match the contents of
the published article | Phys.Rev.D83:061503,2011 | 10.1103/PhysRevD.83.061503 | null | gr-qc astro-ph.HE math-ph math.MP | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The calculation of the self force in the modeling of the gravitational-wave
emission from extreme-mass-ratio binaries is a challenging task. Here we
address the question of the possible emergence of a persistent spurious
solution in time-domain schemes, referred to as a {\em Jost junk solution} in
the literature, tha... | [
{
"created": "Wed, 12 Jan 2011 11:07:34 GMT",
"version": "v1"
},
{
"created": "Mon, 2 May 2011 21:41:18 GMT",
"version": "v2"
}
] | 2015-03-17 | [
[
"Jaramillo",
"Jose Luis",
"",
"1 and 2"
],
[
"Sopuerta",
"Carlos F.",
"",
"ICE, CSIC-IEEC"
],
[
"Canizares",
"Priscilla",
"",
"ICE, CSIC-IEEC"
]
] | The calculation of the self force in the modeling of the gravitational-wave emission from extreme-mass-ratio binaries is a challenging task. Here we address the question of the possible emergence of a persistent spurious solution in time-domain schemes, referred to as a {\em Jost junk solution} in the literature, that ... |
gr-qc/0104001 | Matt Visser | Carlos Barcelo (Washington University in Saint Louis) Stefano Liberati
(University of Maryland), Matt Visser (Washington University in Saint Louis) | Analog gravity from field theory normal modes? | Revtex 4 (beta 5); 12 pages in single-column format | Class.Quant.Grav.18:3595-3610,2001 | 10.1088/0264-9381/18/17/313 | null | gr-qc hep-th | null | We demonstrate that the emergence of a curved spacetime ``effective
Lorentzian geometry'' is a common and generic result of linearizing a field
theory around some non-trivial background. This investigation is motivated by
considering the large number of ``analog models'' of general relativity that
have recently been ... | [
{
"created": "Mon, 2 Apr 2001 20:45:27 GMT",
"version": "v1"
}
] | 2014-11-17 | [
[
"Barcelo",
"Carlos",
"",
"Washington University in Saint Louis"
],
[
"Liberati",
"Stefano",
"",
"University of Maryland"
],
[
"Visser",
"Matt",
"",
"Washington University in Saint Louis"
]
] | We demonstrate that the emergence of a curved spacetime ``effective Lorentzian geometry'' is a common and generic result of linearizing a field theory around some non-trivial background. This investigation is motivated by considering the large number of ``analog models'' of general relativity that have recently been de... |
gr-qc/9711010 | null | Takeshi Shirafuji and Gamal G. L. Nashed | Energy and Momentum in the Tetrad Theory of Gravitation | 17 pages, LaTeX, published in Prog. Theor. Phys. 98 No.6 (1997) | Prog.Theor.Phys. 98 (1997) | 10.1143/PTP.98.1355 | null | gr-qc | null | We study the energy and momentum of an isolated system in the tetrad theory
of gravitation, starting from the most general Lagrangian quadratic in torsion,
which involves four unknown parameters. When applied to the static spherically
symmetric case, the parallel vector fields take a diagonal form, and the field
equa... | [
{
"created": "Wed, 5 Nov 1997 05:38:07 GMT",
"version": "v1"
}
] | 2009-10-30 | [
[
"Shirafuji",
"Takeshi",
""
],
[
"Nashed",
"Gamal G. L.",
""
]
] | We study the energy and momentum of an isolated system in the tetrad theory of gravitation, starting from the most general Lagrangian quadratic in torsion, which involves four unknown parameters. When applied to the static spherically symmetric case, the parallel vector fields take a diagonal form, and the field equati... |
gr-qc/9606028 | Slava Turyshev | Slava G. Turyshev, John D. Anderson and Ronald W. Hellings (NASA/Jet
Propulsion Laboratory) | Relativistic Gravity Theory And Related Tests With A Mercury Orbiter
Mission | 36 pages, LaTex file, no figures | null | null | null | gr-qc astro-ph | null | Due to its relatively large eccentricity and proximity to the Sun, Mercury's
orbital motion provides one of the best solar-system tests of relativistic
gravity. We emphasize the number of feasible relativistic gravity tests that
can be performed within the context of the parameterized weak field and slow
motion appro... | [
{
"created": "Thu, 13 Jun 1996 18:16:28 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Turyshev",
"Slava G.",
"",
"NASA/Jet\n Propulsion Laboratory"
],
[
"Anderson",
"John D.",
"",
"NASA/Jet\n Propulsion Laboratory"
],
[
"Hellings",
"Ronald W.",
"",
"NASA/Jet\n Propulsion Laboratory"
]
] | Due to its relatively large eccentricity and proximity to the Sun, Mercury's orbital motion provides one of the best solar-system tests of relativistic gravity. We emphasize the number of feasible relativistic gravity tests that can be performed within the context of the parameterized weak field and slow motion approxi... |
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