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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
gr-qc/0508013 | Sabine Hossenfelder | S. Hossenfelder | Anti-Gravitation | replaced with published version | Phys.Lett. B636 (2006) 119-125 | 10.1016/j.physletb.2006.03.038 | null | gr-qc hep-th | null | The possibility of a symmetry between gravitating and anti-gravitating
particles is examined. The properties of the anti-gravitating fields are
defined by their behavior under general diffeomorphisms. The equations of
motion and the conserved canonical currents are derived, and it is shown that
the kinetic energy rem... | [
{
"created": "Tue, 2 Aug 2005 17:57:52 GMT",
"version": "v1"
},
{
"created": "Mon, 14 Nov 2005 23:36:08 GMT",
"version": "v2"
},
{
"created": "Fri, 21 Apr 2006 21:28:23 GMT",
"version": "v3"
}
] | 2007-05-23 | [
[
"Hossenfelder",
"S.",
""
]
] | The possibility of a symmetry between gravitating and anti-gravitating particles is examined. The properties of the anti-gravitating fields are defined by their behavior under general diffeomorphisms. The equations of motion and the conserved canonical currents are derived, and it is shown that the kinetic energy remai... |
1010.0577 | Iain Martin W | I W Martin, R Bassiri, R Nawrodt, M M Fejer, A Gretarsson, E
Gustafson, G Harry, J Hough, I MacLaren, S Penn, S Reid, R Route, S Rowan, C
Schwar, P Seidel, J Scott, A L Woodcraft | Effect of heat treatment on mechanical dissipation in Ta$_2$O$_5$
coatings | accepted Classical and Quantum Gravity 2010 | Class.Quant.Grav.27:225020,2010 | 10.1088/0264-9381/27/22/225020 | null | gr-qc physics.ins-det | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Thermal noise arising from mechanical dissipation in dielectric reflective
coatings is expected to critically limit the sensitivity of precision
measurement systems such as high-resolution optical spectroscopy, optical
frequency standards and future generations of interferometric gravitational
wave detectors. We pres... | [
{
"created": "Mon, 4 Oct 2010 13:16:41 GMT",
"version": "v1"
}
] | 2015-03-17 | [
[
"Martin",
"I W",
""
],
[
"Bassiri",
"R",
""
],
[
"Nawrodt",
"R",
""
],
[
"Fejer",
"M M",
""
],
[
"Gretarsson",
"A",
""
],
[
"Gustafson",
"E",
""
],
[
"Harry",
"G",
""
],
[
"Hough",
"J",
""
... | Thermal noise arising from mechanical dissipation in dielectric reflective coatings is expected to critically limit the sensitivity of precision measurement systems such as high-resolution optical spectroscopy, optical frequency standards and future generations of interferometric gravitational wave detectors. We presen... |
2012.10436 | Hector O. Silva | Hector O. Silva, Helvi Witek, Matthew Elley, Nicol\'as Yunes | Dynamical descalarization in binary black hole mergers | 9 pages, 6 figures. (v2) new references added; (v3) matches published
version. For movies of the simulations see
https://bhscalarization.bitbucket.io | Phys. Rev. Lett. 127, 031101 (2021) | 10.1103/PhysRevLett.127.031101 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Scalar fields coupled to the Gauss-Bonnet invariant can undergo a tachyonic
instability, leading to spontaneous scalarization of black holes. Studies of
this effect have so far been restricted to single black hole spacetimes. We
present the first results on dynamical scalarization in head-on collisions and
quasicircu... | [
{
"created": "Fri, 18 Dec 2020 18:54:51 GMT",
"version": "v1"
},
{
"created": "Fri, 8 Jan 2021 16:37:28 GMT",
"version": "v2"
},
{
"created": "Thu, 15 Jul 2021 09:37:57 GMT",
"version": "v3"
}
] | 2021-07-16 | [
[
"Silva",
"Hector O.",
""
],
[
"Witek",
"Helvi",
""
],
[
"Elley",
"Matthew",
""
],
[
"Yunes",
"Nicolás",
""
]
] | Scalar fields coupled to the Gauss-Bonnet invariant can undergo a tachyonic instability, leading to spontaneous scalarization of black holes. Studies of this effect have so far been restricted to single black hole spacetimes. We present the first results on dynamical scalarization in head-on collisions and quasicircula... |
gr-qc/0205090 | T. Padmanabhan | T.Padmanabhan | The Holography of Gravity encoded in a relation between Entropy, Horizon
area and Action for gravity | Second Prize Essay in the Gravity Research Foundation Essay Contest,
2002 | Gen.Rel.Grav. 34 (2002) 2029-2035 | 10.1023/A:1021171015146 | null | gr-qc astro-ph hep-th | null | I provide a general proof of the conjecture that one can attribute an entropy
to the area of {\it any} horizon. This is done by constructing a canonical
ensemble of a subclass of spacetimes with a fixed value for the temperature
$T=\beta^{-1}$ and evaluating the {\it exact} partition function $Z(\beta)$.
For spherica... | [
{
"created": "Tue, 21 May 2002 12:06:22 GMT",
"version": "v1"
}
] | 2015-06-25 | [
[
"Padmanabhan",
"T.",
""
]
] | I provide a general proof of the conjecture that one can attribute an entropy to the area of {\it any} horizon. This is done by constructing a canonical ensemble of a subclass of spacetimes with a fixed value for the temperature $T=\beta^{-1}$ and evaluating the {\it exact} partition function $Z(\beta)$. For sphericall... |
2105.11847 | Bibhas Majhi Ranjan | Saraswati Devi, Abhinove Nagarajan S, Sayan Chakrabarti, Bibhas Ranjan
Majhi | Shadow of quantum extended Kruskal black hole and its super-radiance
property | Minor modifications done, published in Physics of the Dark Universe | Phys.Dark Univ. 39 (2023) 101173 | 10.1016/j.dark.2023.101173 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We perform the shadow calculation of the loop quantum gravity motivated
regular black hole recently proposed by Ashtekar, Olmedo and Singh (will be
termed AOS black hole hereafter). In the process, we also construct the
rotating loop quantum gravity inspired solution of the originally proposed
static spherically symm... | [
{
"created": "Tue, 25 May 2021 11:42:47 GMT",
"version": "v1"
},
{
"created": "Fri, 10 Jun 2022 16:02:17 GMT",
"version": "v2"
},
{
"created": "Mon, 23 Jan 2023 06:05:56 GMT",
"version": "v3"
}
] | 2023-01-24 | [
[
"Devi",
"Saraswati",
""
],
[
"S",
"Abhinove Nagarajan",
""
],
[
"Chakrabarti",
"Sayan",
""
],
[
"Majhi",
"Bibhas Ranjan",
""
]
] | We perform the shadow calculation of the loop quantum gravity motivated regular black hole recently proposed by Ashtekar, Olmedo and Singh (will be termed AOS black hole hereafter). In the process, we also construct the rotating loop quantum gravity inspired solution of the originally proposed static spherically symmet... |
0908.0751 | Timothy Adamo | T.M. Adamo, E.T. Newman | Vacuum non-expanding horizons and shear-free null geodesic congruences | 23 pages | Class.Quant.Grav.26:235012,2009 | 10.1088/0264-9381/26/23/235012 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate the geometry of a particular class of null surfaces in
space-time called vacuum Non-Expanding Horizons (NEHs). Using the
spin-coefficient equation, we provide a complete description of the horizon
geometry, as well as fixing a canonical choice of null tetrad and coordinates
on a NEH. By looking for par... | [
{
"created": "Wed, 5 Aug 2009 20:25:39 GMT",
"version": "v1"
}
] | 2009-11-18 | [
[
"Adamo",
"T. M.",
""
],
[
"Newman",
"E. T.",
""
]
] | We investigate the geometry of a particular class of null surfaces in space-time called vacuum Non-Expanding Horizons (NEHs). Using the spin-coefficient equation, we provide a complete description of the horizon geometry, as well as fixing a canonical choice of null tetrad and coordinates on a NEH. By looking for parti... |
1701.06896 | Basem Ghayour | Basem Ghayour | The investigation of detectability of the relic gravitational waves
based on the WMAP-9 and Planck | Accepted by IJMPD on 8 June 2016,2 figures and 14 pages | International Journal of Modern Physics D Vol. 26 (2017) 1750003 | 10.1142/S0218271817500031 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The generated relic gravitational waves were underwent several stages of
evolution of the universe such as inflation and reheating. These stages were
affected on the shape of spectrum of the waves. As well known, at the end of
inflation, the scalar field $\phi$ oscillates quickly around some point where
potential $V(... | [
{
"created": "Wed, 18 Jan 2017 10:20:12 GMT",
"version": "v1"
},
{
"created": "Thu, 26 Jan 2017 14:14:47 GMT",
"version": "v2"
}
] | 2019-08-06 | [
[
"Ghayour",
"Basem",
""
]
] | The generated relic gravitational waves were underwent several stages of evolution of the universe such as inflation and reheating. These stages were affected on the shape of spectrum of the waves. As well known, at the end of inflation, the scalar field $\phi$ oscillates quickly around some point where potential $V(\p... |
1410.7966 | Abdel Nasser Tawfik | Abdel Nasser Tawfik (Egyptian Ctr. Theor. Phys., Cairo, WLCAPP,
Cairo), Abdel Magied Diab (WLCAPP, Cairo) | Generalized Uncertainty Principle and Recent Cosmic Inflation
Observations | To appear in Phys. Rev. D, 28 pages, 6 figures, 15 eps graphs | Electron. J. Theor. Phys. 12, 9-30 (2015) | null | ECTP-2014-05, WLCAPP-2014-05 | gr-qc quant-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The recent background imaging of cosmic extragalactic polarization (BICEP2)
observations are believed as an evidence for the cosmic inflation. BICEP2
provided a first direct evidence for the inflation, determined its energy scale
and debriefed witnesses for the quantum gravitational processes. The ratio of
scalar-to-... | [
{
"created": "Wed, 29 Oct 2014 13:10:29 GMT",
"version": "v1"
}
] | 2015-01-19 | [
[
"Tawfik",
"Abdel Nasser",
"",
"Egyptian Ctr. Theor. Phys., Cairo, WLCAPP,\n Cairo"
],
[
"Diab",
"Abdel Magied",
"",
"WLCAPP, Cairo"
]
] | The recent background imaging of cosmic extragalactic polarization (BICEP2) observations are believed as an evidence for the cosmic inflation. BICEP2 provided a first direct evidence for the inflation, determined its energy scale and debriefed witnesses for the quantum gravitational processes. The ratio of scalar-to-te... |
1503.07529 | Richard Brito | Eugeny Babichev, Richard Brito | Black holes in massive gravity | 36 pages, 7 figures. Invited contribution to the Focus Issue on
"Black holes and fundamental fields" to appear in Classical and Quantum
Gravity; v2: typos corrected, minor revision, added references, matches
published version in CQG | Class. Quantum Grav. 32 (2015) 15, 154001 | 10.1088/0264-9381/32/15/154001 | LPT-Orsay-15-53 | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We review the black hole solutions of the ghost-free massive gravity theory
and its bimetric extension and outline the main results on the stability of
these solutions against small perturbations. Massive (bi)-gravity accommodates
exact black hole solutions, analogous to those of General Relativity. In
addition to th... | [
{
"created": "Wed, 25 Mar 2015 20:00:39 GMT",
"version": "v1"
},
{
"created": "Wed, 15 Jul 2015 15:45:01 GMT",
"version": "v2"
}
] | 2015-07-28 | [
[
"Babichev",
"Eugeny",
""
],
[
"Brito",
"Richard",
""
]
] | We review the black hole solutions of the ghost-free massive gravity theory and its bimetric extension and outline the main results on the stability of these solutions against small perturbations. Massive (bi)-gravity accommodates exact black hole solutions, analogous to those of General Relativity. In addition to thes... |
1506.02889 | Rong-Jia Yang | Rong-Jia Yang | Effects of quantum fluctuations of metric on the universe | 7 pages, no figure | Physics of the Dark Universe 13 (2016) 87-91 | 10.1016/j.dark.2016.04.007 | null | gr-qc astro-ph.CO hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider a model of modified gravity from the nonperturbative quantization
of a metric. We obtain the modified gravitational field equations and the
modified conservational equations. We apply it to the FLRW spacetime and find
that due to the quantum fluctuations a bounce universe can be obtained and a
decelerated... | [
{
"created": "Tue, 9 Jun 2015 12:56:05 GMT",
"version": "v1"
},
{
"created": "Thu, 19 May 2016 02:09:09 GMT",
"version": "v2"
}
] | 2016-05-20 | [
[
"Yang",
"Rong-Jia",
""
]
] | We consider a model of modified gravity from the nonperturbative quantization of a metric. We obtain the modified gravitational field equations and the modified conservational equations. We apply it to the FLRW spacetime and find that due to the quantum fluctuations a bounce universe can be obtained and a decelerated e... |
gr-qc/9708042 | Peter H\"ubner | Peter Huebner | More about Vacuum Spacetimes with Toroidal Null Infinities | 5 pages | Class.Quant.Grav.15:L21-L25,1998 | 10.1088/0264-9381/15/3/002 | null | gr-qc | null | Recently Bernd Schmidt has given three explicit examples of spacetimes with
toroidal null infinities. In this paper all solutions with a toroidal null
infinity within Schmidt's metric ansatz (polarized Gowdy models) are
constructed. The members of the family are determined by two smooth functions
of one variable. For... | [
{
"created": "Tue, 19 Aug 1997 14:30:26 GMT",
"version": "v1"
}
] | 2010-04-06 | [
[
"Huebner",
"Peter",
""
]
] | Recently Bernd Schmidt has given three explicit examples of spacetimes with toroidal null infinities. In this paper all solutions with a toroidal null infinity within Schmidt's metric ansatz (polarized Gowdy models) are constructed. The members of the family are determined by two smooth functions of one variable. For t... |
1408.1810 | Mark Hannam | Patricia Schmidt, Frank Ohme, Mark Hannam | Towards models of gravitational waveforms from generic binaries II:
Modelling precession effects with a single effective precession parameter | 19 pages, 15 figures. Modified discussion | null | 10.1103/PhysRevD.91.024043 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Gravitational waves (GWs) emitted by generic black-hole binaries show a rich
structure that directly reflects the complex dynamics introduced by the
precession of the orbital plane, which poses a real challenge to the
development of generic waveform models. Recent progress in modelling these
signals relies on an appr... | [
{
"created": "Fri, 8 Aug 2014 10:38:24 GMT",
"version": "v1"
},
{
"created": "Mon, 25 Aug 2014 15:14:55 GMT",
"version": "v2"
}
] | 2015-06-22 | [
[
"Schmidt",
"Patricia",
""
],
[
"Ohme",
"Frank",
""
],
[
"Hannam",
"Mark",
""
]
] | Gravitational waves (GWs) emitted by generic black-hole binaries show a rich structure that directly reflects the complex dynamics introduced by the precession of the orbital plane, which poses a real challenge to the development of generic waveform models. Recent progress in modelling these signals relies on an approx... |
gr-qc/0508122 | Ralf Lehnert | Ralf Lehnert | Spacetime symmetries and varying scalars | 11 pages; Prepared for 3rd Meeting on CPT and Lorentz Symmetry (CPT
04), Bloomington, Indiana, 4-7 Aug 2004 | null | 10.1142/9789812702173_0013 | null | gr-qc | null | This talk discusses the relation between spacetime-dependent scalars, such as
couplings or fields, and the violation of Lorentz symmetry. A specific
cosmological supergravity model demonstrates how scalar fields can acquire
time-dependent expectation values. Within this cosmological background,
excitations of these s... | [
{
"created": "Mon, 29 Aug 2005 23:42:08 GMT",
"version": "v1"
}
] | 2016-11-03 | [
[
"Lehnert",
"Ralf",
""
]
] | This talk discusses the relation between spacetime-dependent scalars, such as couplings or fields, and the violation of Lorentz symmetry. A specific cosmological supergravity model demonstrates how scalar fields can acquire time-dependent expectation values. Within this cosmological background, excitations of these sca... |
2006.09869 | Rahul Kumar | Rahul Kumar, Amit Kumar, and Sushant G. Ghosh | Testing Rotating Regular Metrics as Candidates for Astrophysical Black
Holes | 14 pages, 9 figures. Published in ApJ | ApJ 896, 89 (2020) | 10.3847/1538-4357/ab8c4a | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The Event Horizon Telescope, a global submillimeter wavelength very long
baseline interferometry array, produced the first image of supermassive black
hole M87* showing a ring of diameter $\theta_d= 42\pm 3\,\mu$as, inferred a
black hole mass of $M=(6.5 \pm 0.7) \times 10^9 M_\odot $ and allowed us to
investigate the... | [
{
"created": "Wed, 17 Jun 2020 13:50:26 GMT",
"version": "v1"
}
] | 2020-06-18 | [
[
"Kumar",
"Rahul",
""
],
[
"Kumar",
"Amit",
""
],
[
"Ghosh",
"Sushant G.",
""
]
] | The Event Horizon Telescope, a global submillimeter wavelength very long baseline interferometry array, produced the first image of supermassive black hole M87* showing a ring of diameter $\theta_d= 42\pm 3\,\mu$as, inferred a black hole mass of $M=(6.5 \pm 0.7) \times 10^9 M_\odot $ and allowed us to investigate the n... |
2306.15326 | Artur Alho | Artur Alho and Claes Uggla | Quintessential $\alpha$-attractor inflation: A dynamical systems
analysis | 34 pages, 23 figures. v2 Appendices incorporated into main text | null | null | null | gr-qc astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The equations for quintessential $\alpha$-attractor inflation with a single
scalar field, radiation and matter in a spatially flat FLRW spacetime are
recast into a regular dynamical system on a compact state space. This enables a
complete description of the solution space of these models. The inflationary
attractor s... | [
{
"created": "Tue, 27 Jun 2023 09:29:55 GMT",
"version": "v1"
},
{
"created": "Wed, 7 Feb 2024 09:51:13 GMT",
"version": "v2"
}
] | 2024-02-08 | [
[
"Alho",
"Artur",
""
],
[
"Uggla",
"Claes",
""
]
] | The equations for quintessential $\alpha$-attractor inflation with a single scalar field, radiation and matter in a spatially flat FLRW spacetime are recast into a regular dynamical system on a compact state space. This enables a complete description of the solution space of these models. The inflationary attractor sol... |
1811.07309 | Hao Xu | Hao Xu, Man-Hong Yung | Black hole evaporation in Conformal (Weyl) gravity | 6 page+references;minor corrections, references added, accepted by
PLB | Physics Letters B 793 (2019) 97-103 | 10.1016/j.physletb.2019.04.036 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this work, we explore all possible scenarios in the evaporation process of
a spherical neutral AdS black hole in four-dimensional conformal gravity, where
the equations of states are branched. In one branch, the final states
correspond to the extremal black hole where the total decay time is divergent
given any in... | [
{
"created": "Sun, 18 Nov 2018 10:35:22 GMT",
"version": "v1"
},
{
"created": "Sat, 13 Apr 2019 07:59:47 GMT",
"version": "v2"
}
] | 2019-04-25 | [
[
"Xu",
"Hao",
""
],
[
"Yung",
"Man-Hong",
""
]
] | In this work, we explore all possible scenarios in the evaporation process of a spherical neutral AdS black hole in four-dimensional conformal gravity, where the equations of states are branched. In one branch, the final states correspond to the extremal black hole where the total decay time is divergent given any init... |
gr-qc/0609127 | Malcolm MacCallum | Malcolm A.H. MacCallum, Marc Mars and Ra\"ul Vera | Stationary axisymmetric exteriors for perturbations of isolated bodies
in general relativity, to second order | RevTeX; 32 pp. Accepted by Phys. Rev. D. Added references and extra
comments in introduction | Phys.Rev.D75:024017,2007 | 10.1103/PhysRevD.75.024017 | null | gr-qc | null | Perturbed stationary axisymmetric isolated bodies, e.g. stars, represented by
a matter-filled interior and an asymptotically flat vacuum exterior joined at a
surface where the Darmois matching conditions are satisfied, are considered.
The initial state is assumed to be static. The perturbations of the matching
condit... | [
{
"created": "Wed, 27 Sep 2006 14:50:13 GMT",
"version": "v1"
},
{
"created": "Mon, 4 Dec 2006 08:59:15 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"MacCallum",
"Malcolm A. H.",
""
],
[
"Mars",
"Marc",
""
],
[
"Vera",
"Raül",
""
]
] | Perturbed stationary axisymmetric isolated bodies, e.g. stars, represented by a matter-filled interior and an asymptotically flat vacuum exterior joined at a surface where the Darmois matching conditions are satisfied, are considered. The initial state is assumed to be static. The perturbations of the matching conditio... |
1001.4833 | Andrea de Gill | Andrea de Gill, Douglas Singleton, Valeria Akhmedova, Terry Pilling | A WKB-like approach to Unruh Radiation | 8 pages, double column, 2 figures. Pedagogical article on Unruh
radiation accepted for publication in AJP | null | 10.1119/1.3308568 | null | gr-qc hep-th physics.gen-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Unruh radiation is the thermal flux seen by an accelerated observer moving
through Minkowski spacetime. In this article we study Unruh radiation as
tunneling through a barrier. We use a WKB-like method to obtain the tunneling
rate and the temperature of the Unruh radiation. This derivation brings
together many topics... | [
{
"created": "Wed, 27 Jan 2010 00:51:50 GMT",
"version": "v1"
}
] | 2015-05-18 | [
[
"de Gill",
"Andrea",
""
],
[
"Singleton",
"Douglas",
""
],
[
"Akhmedova",
"Valeria",
""
],
[
"Pilling",
"Terry",
""
]
] | Unruh radiation is the thermal flux seen by an accelerated observer moving through Minkowski spacetime. In this article we study Unruh radiation as tunneling through a barrier. We use a WKB-like method to obtain the tunneling rate and the temperature of the Unruh radiation. This derivation brings together many topics i... |
gr-qc/9601018 | Nenad Manojlovic | M. Vasilic and T. Vukasinac | Gravitational kinks in two spacetime dimensions | 14 pages, Plain Tex, 4 figures (available from the authors) | Class.Quant.Grav. 13 (1996) 1995-2006 | 10.1088/0264-9381/13/7/024 | null | gr-qc | null | The properties of gravitational kinks are studied within some simple models
of two dimensional gravity. In spacetimes of cylindrical topology we prove the
existence of kinks of constant curvature with arbitrary kink numbers. In
$R^1\times R^1$ spacetimes $m=1$ kink solutions of the equation $R=0$ are
found, whereas $... | [
{
"created": "Thu, 11 Jan 1996 16:39:19 GMT",
"version": "v1"
}
] | 2009-10-28 | [
[
"Vasilic",
"M.",
""
],
[
"Vukasinac",
"T.",
""
]
] | The properties of gravitational kinks are studied within some simple models of two dimensional gravity. In spacetimes of cylindrical topology we prove the existence of kinks of constant curvature with arbitrary kink numbers. In $R^1\times R^1$ spacetimes $m=1$ kink solutions of the equation $R=0$ are found, whereas $|m... |
2007.09864 | Shinji Tsujikawa | Ryotaro Kase, Rampei Kimura, Seiga Sato, Shinji Tsujikawa | Stability of relativistic stars with scalar hairs | 24 pages, 2 figures | Phys. Rev. D 102, 084037 (2020) | 10.1103/PhysRevD.102.084037 | null | gr-qc astro-ph.CO hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the stability of relativistic stars in scalar-tensor theories with a
nonminimal coupling of the form $F(\phi)R$, where $F$ depends on a scalar field
$\phi$ and $R$ is the Ricci scalar. On a spherically symmetric and static
background, we incorporate a perfect fluid minimally coupled to gravity as a
form of t... | [
{
"created": "Mon, 20 Jul 2020 03:21:47 GMT",
"version": "v1"
}
] | 2020-10-21 | [
[
"Kase",
"Ryotaro",
""
],
[
"Kimura",
"Rampei",
""
],
[
"Sato",
"Seiga",
""
],
[
"Tsujikawa",
"Shinji",
""
]
] | We study the stability of relativistic stars in scalar-tensor theories with a nonminimal coupling of the form $F(\phi)R$, where $F$ depends on a scalar field $\phi$ and $R$ is the Ricci scalar. On a spherically symmetric and static background, we incorporate a perfect fluid minimally coupled to gravity as a form of the... |
2309.10021 | Laura Sberna | Enrico Cannizzaro, Laura Sberna, Stephen R. Green, Stefan Hollands | Relativistic perturbation theory for black-hole boson clouds | 7+4 pages, 2+1 figures. v2: improved derivation of the main result,
including two new appendices, and other minor changes. matches version
accepted for publication in PRL | null | 10.1103/PhysRevLett.132.051401 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We develop a relativistic perturbation theory for scalar clouds around
rotating black holes. We first introduce a relativistic product and
corresponding orthogonality relation between modes, extending a recent result
for gravitational perturbations. We then derive the analog of time-dependent
perturbation theory in q... | [
{
"created": "Mon, 18 Sep 2023 18:00:00 GMT",
"version": "v1"
},
{
"created": "Wed, 3 Jan 2024 18:32:53 GMT",
"version": "v2"
}
] | 2024-02-02 | [
[
"Cannizzaro",
"Enrico",
""
],
[
"Sberna",
"Laura",
""
],
[
"Green",
"Stephen R.",
""
],
[
"Hollands",
"Stefan",
""
]
] | We develop a relativistic perturbation theory for scalar clouds around rotating black holes. We first introduce a relativistic product and corresponding orthogonality relation between modes, extending a recent result for gravitational perturbations. We then derive the analog of time-dependent perturbation theory in qua... |
2405.20228 | Zoey Dong | Zoey Zhiyuan Dong, Joshua Cole Faggert, Shu Yan Lau, Kent Yagi | Love-C relations for elastic hybrid stars | 23 pages, 9 fighures, submitted to GRG | null | null | null | gr-qc astro-ph.HE nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Neutron stars (NSs) provide a unique laboratory to study matter under extreme
densities. Recent observations from gravitational and electromagnetic waves
have enabled constraints on NS properties, such as tidal deformability (related
to the tidal Love number) and stellar compactness. Although each of these two
NS obs... | [
{
"created": "Thu, 30 May 2024 16:32:08 GMT",
"version": "v1"
}
] | 2024-05-31 | [
[
"Dong",
"Zoey Zhiyuan",
""
],
[
"Faggert",
"Joshua Cole",
""
],
[
"Lau",
"Shu Yan",
""
],
[
"Yagi",
"Kent",
""
]
] | Neutron stars (NSs) provide a unique laboratory to study matter under extreme densities. Recent observations from gravitational and electromagnetic waves have enabled constraints on NS properties, such as tidal deformability (related to the tidal Love number) and stellar compactness. Although each of these two NS obser... |
1207.6406 | Ian Harry | Duncan A. Brown and Ian Harry and Andrew Lundgren and Alexander H.
Nitz | Detecting binary neutron star systems with spin in advanced
gravitational-wave detectors | 11 pages, 10 figures | Phys. Rev. D 86, 084017 (2012) | 10.1103/PhysRevD.86.084017 | LIGO Document P1200082 | gr-qc astro-ph.CO astro-ph.HE | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The detection of gravitational waves from binary neutron stars is a major
goal of the gravitational-wave observatories Advanced LIGO and Advanced Virgo.
Previous searches for binary neutron stars with LIGO and Virgo neglected the
component stars' angular momentum (spin). We demonstrate that neglecting spin
in matched... | [
{
"created": "Thu, 26 Jul 2012 20:12:30 GMT",
"version": "v1"
},
{
"created": "Mon, 15 Oct 2012 14:27:05 GMT",
"version": "v2"
}
] | 2012-10-16 | [
[
"Brown",
"Duncan A.",
""
],
[
"Harry",
"Ian",
""
],
[
"Lundgren",
"Andrew",
""
],
[
"Nitz",
"Alexander H.",
""
]
] | The detection of gravitational waves from binary neutron stars is a major goal of the gravitational-wave observatories Advanced LIGO and Advanced Virgo. Previous searches for binary neutron stars with LIGO and Virgo neglected the component stars' angular momentum (spin). We demonstrate that neglecting spin in matched-f... |
gr-qc/9905035 | Dominic Clancy | James E. Lidsey | Mirror Images of String Cosmologies | 10 pages plain latex | Class.Quant.Grav.15:L77-L84,1999 | 10.1088/0264-9381/15/11/002 | null | gr-qc astro-ph hep-th | null | A discrete symmetry of the four-dimensional string effective action is
employed to derive spatially homogeneous and inhomogeneous string cosmologies
from vacuum solutions of general relativity that admit two commuting spacelike
Killing vectors. In particular, a tilted Bianchi type V cosmology is generated
from a vacu... | [
{
"created": "Tue, 11 May 1999 17:50:38 GMT",
"version": "v1"
}
] | 2010-04-06 | [
[
"Lidsey",
"James E.",
""
]
] | A discrete symmetry of the four-dimensional string effective action is employed to derive spatially homogeneous and inhomogeneous string cosmologies from vacuum solutions of general relativity that admit two commuting spacelike Killing vectors. In particular, a tilted Bianchi type V cosmology is generated from a vacuum... |
1704.06889 | Yury Eroshenko | V. A. Berezin, V. I. Dokuchaev, Yu. N. Eroshenko | Vaidya Spacetime in the Diagonal Coordinates | 13 pages, 10 figures | JETP 124, 446 (2017) | 10.1134/S1063776117020108 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We have analyzed the transformation from initial coordinates $(v,r)$ of the
Vaidya metric with light coordinate $v$ to the most physical diagonal
coordinates $(t,r)$. An exact solution has been obtained for the corresponding
metric tensor in the case of a linear dependence of the mass function of the
Vaidya metric on... | [
{
"created": "Sun, 23 Apr 2017 06:20:57 GMT",
"version": "v1"
}
] | 2017-04-25 | [
[
"Berezin",
"V. A.",
""
],
[
"Dokuchaev",
"V. I.",
""
],
[
"Eroshenko",
"Yu. N.",
""
]
] | We have analyzed the transformation from initial coordinates $(v,r)$ of the Vaidya metric with light coordinate $v$ to the most physical diagonal coordinates $(t,r)$. An exact solution has been obtained for the corresponding metric tensor in the case of a linear dependence of the mass function of the Vaidya metric on l... |
0905.2458 | T. P. Singh | T. P. Singh | Einstein gravity as the thermodynamic limit of an underlying quantum
statistics | 6 pages | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The black hole area theorem suggests that classical general relativity is the
thermodynamic limit of a quantum statistics. The degrees of freedom of the
statistical theory cannot be the spacetime metric. We argue that the
statistical theory should be constructed from a noncommutative gravity, whose
classical, and the... | [
{
"created": "Fri, 15 May 2009 02:03:07 GMT",
"version": "v1"
}
] | 2009-05-18 | [
[
"Singh",
"T. P.",
""
]
] | The black hole area theorem suggests that classical general relativity is the thermodynamic limit of a quantum statistics. The degrees of freedom of the statistical theory cannot be the spacetime metric. We argue that the statistical theory should be constructed from a noncommutative gravity, whose classical, and therm... |
2401.08198 | Oscar Castillo Felisola Dr. | Oscar Castillo-Felisola and Radouane Gannouji and Manuel
Morocho-L\'opez and Marcelo Rozas-Rojas | A model for cosmological perturbations in affine gravity | Written using revtex, 12 pages | null | null | null | gr-qc hep-th math-ph math.DG math.MP | http://creativecommons.org/licenses/by/4.0/ | In this paper, we present the cosmological perturbation formalism for
theories within the framework of affine gravity. These theories are
distinguished by their connection, devoid of any metric. Our approach involves
segregating perturbations into symmetric and antisymmetric components (related
to torsion), each furt... | [
{
"created": "Tue, 16 Jan 2024 08:27:27 GMT",
"version": "v1"
}
] | 2024-01-17 | [
[
"Castillo-Felisola",
"Oscar",
""
],
[
"Gannouji",
"Radouane",
""
],
[
"Morocho-López",
"Manuel",
""
],
[
"Rozas-Rojas",
"Marcelo",
""
]
] | In this paper, we present the cosmological perturbation formalism for theories within the framework of affine gravity. These theories are distinguished by their connection, devoid of any metric. Our approach involves segregating perturbations into symmetric and antisymmetric components (related to torsion), each furthe... |
1011.2994 | Valter Moretti | Valter Moretti (Trento U.) and Nicola Pinamonti (Rome II U. and Genova
U) | State independence for tunneling processes through black hole horizons
and Hawking radiation | 19 pages, one figure, some comments added, minor errors corrected,
accepted for publication in Communications in Mathematical Physics | Commun. Math. Phys. 309 (2012) 295-311 | 10.1007/s00220-011-1369-8 | UTM742 | gr-qc hep-th math-ph math.MP | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Tunneling processes through black hole horizons have recently been
investigated in the framework of WKB theory discovering interesting interplay
with the Hawking radiation. In this paper we instead adopt the point of view
proper of QFT in curved spacetime, namely, we use a suitable scaling limit
technique to obtain t... | [
{
"created": "Fri, 12 Nov 2010 17:53:51 GMT",
"version": "v1"
},
{
"created": "Thu, 19 May 2011 16:20:28 GMT",
"version": "v2"
}
] | 2015-05-20 | [
[
"Moretti",
"Valter",
"",
"Trento U."
],
[
"Pinamonti",
"Nicola",
"",
"Rome II U. and Genova\n U"
]
] | Tunneling processes through black hole horizons have recently been investigated in the framework of WKB theory discovering interesting interplay with the Hawking radiation. In this paper we instead adopt the point of view proper of QFT in curved spacetime, namely, we use a suitable scaling limit technique to obtain the... |
1606.06573 | Che-Yu Chen | Che-Yu Chen, Mariam Bouhmadi-L\'opez and Pisin Chen | Cosmological singularities in Eddington-inspired-Born-Infeld theory and
its possible extension | 6 pages; contribution to the proceedings of the "Everything about
gravity, Second LeCosPA international Symposium", National Taiwan University,
Taipei, December 14-18, 2015, based on a talk delivered at the "Alternative
and modified theories of gravity" parallel session | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The Eddington-inspired-Born-Infeld (EiBI) gravity, which is formulated within
the Palatini formalism, is characterized by its ability to cure the big bang
singularity in the very beginning of the Universe. We further analyze the EiBI
phantom model, and investigate the possible avoidance or alleviation of other
dark e... | [
{
"created": "Tue, 21 Jun 2016 13:55:34 GMT",
"version": "v1"
}
] | 2016-06-22 | [
[
"Chen",
"Che-Yu",
""
],
[
"Bouhmadi-López",
"Mariam",
""
],
[
"Chen",
"Pisin",
""
]
] | The Eddington-inspired-Born-Infeld (EiBI) gravity, which is formulated within the Palatini formalism, is characterized by its ability to cure the big bang singularity in the very beginning of the Universe. We further analyze the EiBI phantom model, and investigate the possible avoidance or alleviation of other dark ene... |
2008.13493 | Morgan Le Delliou | E. Huguet, M. Le Delliou, M. Fontanini and Z.-C. Lin | Teleparallel gravity as a gauge theory: coupling to matter with Cartan
connection | 9pp no Figs | Phys. Rev. D 103, 044061 (2021) | 10.1103/PhysRevD.103.044061 | null | gr-qc hep-th math-ph math.MP | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present a consistent and complete description of the coupling to matter in
the Teleparallel Equivalent to General Relativity (TEGR) theory built from a
Cartan connection, as we proposed in previous works. A first theorem allows us
to obtain parallel transport from the Cartan connection into a proper Ehresmann
conn... | [
{
"created": "Mon, 31 Aug 2020 11:13:53 GMT",
"version": "v1"
}
] | 2021-03-03 | [
[
"Huguet",
"E.",
""
],
[
"Delliou",
"M. Le",
""
],
[
"Fontanini",
"M.",
""
],
[
"Lin",
"Z. -C.",
""
]
] | We present a consistent and complete description of the coupling to matter in the Teleparallel Equivalent to General Relativity (TEGR) theory built from a Cartan connection, as we proposed in previous works. A first theorem allows us to obtain parallel transport from the Cartan connection into a proper Ehresmann connec... |
2401.09846 | Wei-Liang Qian | Hong Guo and Wei-Liang Qian and Bean Wang | Phase structure of holographic superconductors in an
Einstein-scalar-Gauss-Bonnet theory with spontaneous scalarization | 24 pages and 10 figures | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Holographic superconductor phase transition and spontaneous scalarization are
triggered by the instability of the underlying vacuum black hole spacetime.
Although both hairy black hole solutions are closely associated with the
tachyonic instability of the scalar degree of freedom, they are understood to
be driven by ... | [
{
"created": "Thu, 18 Jan 2024 10:03:47 GMT",
"version": "v1"
},
{
"created": "Tue, 14 May 2024 16:23:27 GMT",
"version": "v2"
},
{
"created": "Wed, 15 May 2024 18:36:19 GMT",
"version": "v3"
}
] | 2024-05-17 | [
[
"Guo",
"Hong",
""
],
[
"Qian",
"Wei-Liang",
""
],
[
"Wang",
"Bean",
""
]
] | Holographic superconductor phase transition and spontaneous scalarization are triggered by the instability of the underlying vacuum black hole spacetime. Although both hairy black hole solutions are closely associated with the tachyonic instability of the scalar degree of freedom, they are understood to be driven by di... |
2310.03136 | Rocco D'Agostino | Salvatore Capozziello, Rocco D'Agostino | Reconstructing the distortion function of non-local cosmology: a
model-independent approach | 8 pages, 3 figures. Accepted for publication in Physics of the Dark
Universe | null | null | null | gr-qc astro-ph.CO hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider non-local modifications of General Relativity given by a
distortion function in terms of the inverse of the d'Alembert operator. The
inclusion of these terms is motivated by the possibility of reproducing the
current accelerated expansion of the Universe starting from non-local gravity.
In particular, we ... | [
{
"created": "Wed, 4 Oct 2023 19:56:39 GMT",
"version": "v1"
}
] | 2023-10-06 | [
[
"Capozziello",
"Salvatore",
""
],
[
"D'Agostino",
"Rocco",
""
]
] | We consider non-local modifications of General Relativity given by a distortion function in terms of the inverse of the d'Alembert operator. The inclusion of these terms is motivated by the possibility of reproducing the current accelerated expansion of the Universe starting from non-local gravity. In particular, we pr... |
2102.07369 | Qing Gao | Qing Gao | Primordial black holes and secondary gravitational waves from chaotic
inflation | 17 pages,2 tables, 5 figures. Minor changes to match the version
published on SCPMA(SCIENCE CHINA Physics, Mechanics & Astronomy) | SCIENCE CHINA Physics, Mechanics & Astronomy, Volume 64 , Issue 8
: 280411(2021) | 10.1007/s11433-021-1708-9 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Chaotic inflation is inconsistent with the observational constraint at 68\%
CL. Here, we show that the enhancement mechanism with a peak function in the
noncanonical kinetic term not only helps the chaotic model
$V(\phi)=V_0\phi^{1/3}$ satisfy the observational constraint at large scales
but also enhances the primord... | [
{
"created": "Mon, 15 Feb 2021 07:17:06 GMT",
"version": "v1"
},
{
"created": "Mon, 28 Jun 2021 05:09:52 GMT",
"version": "v2"
}
] | 2021-06-29 | [
[
"Gao",
"Qing",
""
]
] | Chaotic inflation is inconsistent with the observational constraint at 68\% CL. Here, we show that the enhancement mechanism with a peak function in the noncanonical kinetic term not only helps the chaotic model $V(\phi)=V_0\phi^{1/3}$ satisfy the observational constraint at large scales but also enhances the primordia... |
1802.04058 | Magd Elias Kahil | Magd E. Kahil | The Spinning Equations of Motion for Objects in AP-Geometry | 17 LaTeX pages | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Equations of spinning objects are obtained in Absolute Parallelism Geometry
[AP], a special class of non-Riemannian geometry admitting an alternative
non-vanishing curvature and torsion simultaneously. This new set of equations
is the counterpart of the Papapetrou equations in the Riemannian geometry.
Applying, the c... | [
{
"created": "Mon, 12 Feb 2018 14:24:33 GMT",
"version": "v1"
}
] | 2018-02-13 | [
[
"Kahil",
"Magd E.",
""
]
] | Equations of spinning objects are obtained in Absolute Parallelism Geometry [AP], a special class of non-Riemannian geometry admitting an alternative non-vanishing curvature and torsion simultaneously. This new set of equations is the counterpart of the Papapetrou equations in the Riemannian geometry. Applying, the con... |
1602.03057 | John D. Swain | A. Widom, J. Swain, and Y. N. Srivastava | Horizon Thermodynamics and Gravitational Tension | null | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider the thermodynamics of a horizon surface from the viewpoint of the
vacuum tension $\tau =(c^4/4G )$. Numerically, $\tau \approx 3.026\times
10^{43}$ Newton. In order of magnitude, this is the tension that has been
proposed for microscopic string models of gravity. However, after decades of
hard work on str... | [
{
"created": "Sun, 7 Feb 2016 17:12:33 GMT",
"version": "v1"
}
] | 2016-02-10 | [
[
"Widom",
"A.",
""
],
[
"Swain",
"J.",
""
],
[
"Srivastava",
"Y. N.",
""
]
] | We consider the thermodynamics of a horizon surface from the viewpoint of the vacuum tension $\tau =(c^4/4G )$. Numerically, $\tau \approx 3.026\times 10^{43}$ Newton. In order of magnitude, this is the tension that has been proposed for microscopic string models of gravity. However, after decades of hard work on strin... |
gr-qc/0508105 | John Ellis | J. Ellis, N.E. Mavromatos, M. Westmuckett, D.V. Nanopoulos | Liouville Cosmology at Zero and Finite Temperatures | 59 pages LaTeX, 4 figures | Int.J.Mod.Phys.A21:1379-1444,2006 | 10.1142/S0217751X06028990 | CERN-PH-TH/2005-154, ACT-06-05, MIFP-05-19 | gr-qc | null | We discuss cosmology in the context of Liouville strings, characterized by a
central-charge deficit Q^2, in which target time is identified with (the
world-sheet zero mode of the) Liouville field: Q-Cosmology. We use a specific
example of colliding brane worlds to illustrate the phase diagram of this
cosmological fra... | [
{
"created": "Fri, 26 Aug 2005 14:17:39 GMT",
"version": "v1"
}
] | 2009-09-11 | [
[
"Ellis",
"J.",
""
],
[
"Mavromatos",
"N. E.",
""
],
[
"Westmuckett",
"M.",
""
],
[
"Nanopoulos",
"D. V.",
""
]
] | We discuss cosmology in the context of Liouville strings, characterized by a central-charge deficit Q^2, in which target time is identified with (the world-sheet zero mode of the) Liouville field: Q-Cosmology. We use a specific example of colliding brane worlds to illustrate the phase diagram of this cosmological frame... |
gr-qc/0208035 | Yuan-Zhong Zhang | K.K. Nandi, Yuan-Zhong Zhang, P.M. Alsing, J.C. Evans and A. Bhadra | Analog of the Fizeau Effect in an Effective Optical Medium | 19 pages | Phys.Rev. D67 (2003) 025002 | 10.1103/PhysRevD.67.025002 | null | gr-qc | null | Using a new approach, we propose an analog of the Fizeau effect for massive
and massless particles in an effective optical medium derived from the static,
spherically symmetric gravitational field. The medium is naturally perceived as
a dispersive medium by matter de Broglie waves. Several Fresnel drag
coefficients a... | [
{
"created": "Tue, 13 Aug 2002 23:54:28 GMT",
"version": "v1"
}
] | 2009-11-07 | [
[
"Nandi",
"K. K.",
""
],
[
"Zhang",
"Yuan-Zhong",
""
],
[
"Alsing",
"P. M.",
""
],
[
"Evans",
"J. C.",
""
],
[
"Bhadra",
"A.",
""
]
] | Using a new approach, we propose an analog of the Fizeau effect for massive and massless particles in an effective optical medium derived from the static, spherically symmetric gravitational field. The medium is naturally perceived as a dispersive medium by matter de Broglie waves. Several Fresnel drag coefficients are... |
2205.02231 | Behrouz Mirza | Amin Aghababaie Dastgerdi, Behrouz Mirza, Naresh Dadhich | Novel way to the metric of higher dimensional rotating black holes | 20 pages | Physical Review D 105, 124068 (2022) | 10.1103/PhysRevD.105.124068 | null | gr-qc astro-ph.HE hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We wish to carry forward to higher dimensions the insightful and novel method
of obtaining the Kerr metric proposed by one of us [Gen. Relativ. Gravit. 45,
2383 (2013)] for deriving the Myers-Perry rotating black hole metric. We begin
with a flat spacetime metric written in oblate spheroidal coordinates
(ellipsoidal ... | [
{
"created": "Wed, 4 May 2022 10:37:25 GMT",
"version": "v1"
},
{
"created": "Wed, 29 Jun 2022 11:00:55 GMT",
"version": "v2"
}
] | 2022-06-30 | [
[
"Dastgerdi",
"Amin Aghababaie",
""
],
[
"Mirza",
"Behrouz",
""
],
[
"Dadhich",
"Naresh",
""
]
] | We wish to carry forward to higher dimensions the insightful and novel method of obtaining the Kerr metric proposed by one of us [Gen. Relativ. Gravit. 45, 2383 (2013)] for deriving the Myers-Perry rotating black hole metric. We begin with a flat spacetime metric written in oblate spheroidal coordinates (ellipsoidal ge... |
2012.14212 | Javier Olmedo | Rodolfo Gambini, Javier Olmedo, Jorge Pullin | Loop quantum black hole extensions within the improved dynamics | 11 pages, 3 figures, matches published version | null | 10.3389/fspas.2021.647241 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We continue our investigation of an improved quantization scheme for
spherically symmetric loop quantum gravity. We find that in the region where
the black hole singularity appears in the classical theory, the quantum theory
contains semi-classical states that approximate general relativity coupled to
an effective an... | [
{
"created": "Mon, 28 Dec 2020 12:28:02 GMT",
"version": "v1"
},
{
"created": "Tue, 15 Jun 2021 12:21:49 GMT",
"version": "v2"
}
] | 2021-06-16 | [
[
"Gambini",
"Rodolfo",
""
],
[
"Olmedo",
"Javier",
""
],
[
"Pullin",
"Jorge",
""
]
] | We continue our investigation of an improved quantization scheme for spherically symmetric loop quantum gravity. We find that in the region where the black hole singularity appears in the classical theory, the quantum theory contains semi-classical states that approximate general relativity coupled to an effective anis... |
1206.0173 | Qasem Exirifard | Qasem Exirifard | Measuring gravitational behavior at short distances in space: A local
test for MOND/MOG | null | null | null | null | gr-qc astro-ph.CO hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider the AQUAL theory - a theory of modified gravity capable of
resolving the missing mass problem - and study its predictions for micro
gravity tests at the gravitational saddle points of the Solar system. We report
that the AQUAL model enhances the gravity at the sub-micrometer ranges around
the gravitationa... | [
{
"created": "Fri, 1 Jun 2012 13:18:29 GMT",
"version": "v1"
},
{
"created": "Wed, 4 Jul 2012 11:06:44 GMT",
"version": "v2"
},
{
"created": "Tue, 5 Mar 2013 11:29:24 GMT",
"version": "v3"
}
] | 2013-03-06 | [
[
"Exirifard",
"Qasem",
""
]
] | We consider the AQUAL theory - a theory of modified gravity capable of resolving the missing mass problem - and study its predictions for micro gravity tests at the gravitational saddle points of the Solar system. We report that the AQUAL model enhances the gravity at the sub-micrometer ranges around the gravitational ... |
gr-qc/9606061 | Jorge Pullin | Jorge Pullin | Canonical quantum gravity with new variables and loops: a report | 7 pages, RevTeX, 3 figures included with psfig | "Gravitation and Cosmology" S. Dhurandhar, T. Padmandabhan (eds),
Kluwer, Amsterdam (1997), p 199. | 10.1007/978-94-011-5812-1_14 | CGPG-96/6-5 | gr-qc | null | This is a brief and updated summary of a talk given at the International
Conference on Gravitation and Cosmology that took place in Poona in December
1995. It is very brief and is mostly intended as a guide to current literature,
or to keep people updated only in very broad terms on the latest developments
in the sub... | [
{
"created": "Wed, 19 Jun 1996 20:45:25 GMT",
"version": "v1"
}
] | 2022-03-09 | [
[
"Pullin",
"Jorge",
""
]
] | This is a brief and updated summary of a talk given at the International Conference on Gravitation and Cosmology that took place in Poona in December 1995. It is very brief and is mostly intended as a guide to current literature, or to keep people updated only in very broad terms on the latest developments in the subje... |
0912.0548 | Michele Vallisneri | Stanislav Babak, John G. Baker, Matthew J. Benacquista, Neil J.
Cornish, Shane L. Larson, Ilya Mandel, Sean T. McWilliams, Antoine Petiteau,
Edward K. Porter, Emma L. Robinson, Michele Vallisneri, Alberto Vecchio (the
Mock LISA Data Challenge Task Force) and Matt Adams, Keith A. Arnaud,
Arkadiusz B{\l}aut, Mich... | The Mock LISA Data Challenges: from Challenge 3 to Challenge 4 | 12 pages, 2 figures, proceedings of the 8th Edoardo Amaldi Conference
on Gravitational Waves, New York, June 21-26, 2009 | Class.Quant.Grav.27:084009,2010 | 10.1088/0264-9381/27/8/084009 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The Mock LISA Data Challenges are a program to demonstrate LISA data-analysis
capabilities and to encourage their development. Each round of challenges
consists of one or more datasets containing simulated instrument noise and
gravitational waves from sources of undisclosed parameters. Participants
analyze the datase... | [
{
"created": "Wed, 2 Dec 2009 23:18:18 GMT",
"version": "v1"
},
{
"created": "Tue, 26 Jan 2010 22:02:40 GMT",
"version": "v2"
}
] | 2010-05-27 | [
[
"Babak",
"Stanislav",
"",
"the\n Mock LISA Data Challenge Task Force"
],
[
"Baker",
"John G.",
"",
"the\n Mock LISA Data Challenge Task Force"
],
[
"Benacquista",
"Matthew J.",
"",
"the\n Mock LISA Data Challenge Task Force"
],
[
"Cornish",
"N... | The Mock LISA Data Challenges are a program to demonstrate LISA data-analysis capabilities and to encourage their development. Each round of challenges consists of one or more datasets containing simulated instrument noise and gravitational waves from sources of undisclosed parameters. Participants analyze the datasets... |
1805.02698 | Julia Tchemarina | P. V. Kratovich and Ju. V. Tchemarina | On the charge-to-mass ratio for self-gravitating systems of scalar and
electromagnetic fields | 10 pages | Mathematical Modelling and Geometry. V. 5 No 2 (2017) 20-29 | 10.26456/mmg/2017-523 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We prove that in the family of static, asymptotically flat, spherically
symmetric scalar hairy black holes with the central electric charge, the set of
the charge-to-mass ratios has the exact upper bound $3\sqrt{2}/4\approx1.06$.
| [
{
"created": "Mon, 7 May 2018 19:01:24 GMT",
"version": "v1"
}
] | 2018-05-14 | [
[
"Kratovich",
"P. V.",
""
],
[
"Tchemarina",
"Ju. V.",
""
]
] | We prove that in the family of static, asymptotically flat, spherically symmetric scalar hairy black holes with the central electric charge, the set of the charge-to-mass ratios has the exact upper bound $3\sqrt{2}/4\approx1.06$. |
1309.2572 | Ermis Mitsou | Ermis Mitsou | Differential form description of the Noether-Lagrange machinery,
vielbein/gauge-field analogies and energy-momentum complexes | 12 pages | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We derive the variational principle and Noether's theorem in generally
covariant field theory in an explicitly coordinate-independent way by means of
the exterior calculus over the space-time manifold. We then focus on the
symmetry of active diffeomorphisms, that is, the pushforwards along the
integral lines of any v... | [
{
"created": "Tue, 10 Sep 2013 16:41:08 GMT",
"version": "v1"
},
{
"created": "Wed, 30 Oct 2013 16:53:54 GMT",
"version": "v2"
},
{
"created": "Wed, 9 Apr 2014 09:20:04 GMT",
"version": "v3"
}
] | 2014-04-10 | [
[
"Mitsou",
"Ermis",
""
]
] | We derive the variational principle and Noether's theorem in generally covariant field theory in an explicitly coordinate-independent way by means of the exterior calculus over the space-time manifold. We then focus on the symmetry of active diffeomorphisms, that is, the pushforwards along the integral lines of any vec... |
gr-qc/0205031 | Kouji Nakamura | Kouji Nakamura | Does a Nambu-Goto wall emit gravitational waves? -- Cylindrical
Nambu-Goto wall as an example of gravitating non-spherical walls -- | Accepted for publication in Physical Review D. Minor changes are
made, and some typos are corrected | Phys.Rev. D66 (2002) 084005 | 10.1103/PhysRevD.66.084005 | NAOJ-Th-Ap 2002, No.15 | gr-qc hep-th | null | Gravitational field of a cylindrical Nambu-Goto wall in the vacuum spacetime
is considered in order to clarify the interaction between Nambu-Goto membranes
and gravitational waves. If one neglects the emission of gravitational waves by
the wall motion, the spacetime becomes singular. It is also shown that the
emissio... | [
{
"created": "Wed, 8 May 2002 07:37:49 GMT",
"version": "v1"
},
{
"created": "Mon, 13 May 2002 14:18:16 GMT",
"version": "v2"
},
{
"created": "Fri, 26 Jul 2002 17:26:06 GMT",
"version": "v3"
}
] | 2009-11-07 | [
[
"Nakamura",
"Kouji",
""
]
] | Gravitational field of a cylindrical Nambu-Goto wall in the vacuum spacetime is considered in order to clarify the interaction between Nambu-Goto membranes and gravitational waves. If one neglects the emission of gravitational waves by the wall motion, the spacetime becomes singular. It is also shown that the emission ... |
2207.09793 | Farhad Darabi | J. Sadeghi, S. Noori Gashti, F. Darabi | Swampland conjectures in hybrid metric-Palatini gravity | 23 pages, 6 figures | Physics of the Dark Universe, Volume 37, September 2022, 101090 | 10.1016/j.dark.2022.101090 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this paper, we study a hybrid combination of Einstein-Hilbert action with
curvature scalar $R$, and a function $f(\mathcal{R})$ in Palatini gravity
within the context of inflationary scenario, from the Swampland conjecture
point of view. This hybrid model has been paid attention in recent cosmological
studies, and... | [
{
"created": "Wed, 20 Jul 2022 10:15:51 GMT",
"version": "v1"
}
] | 2022-07-21 | [
[
"Sadeghi",
"J.",
""
],
[
"Gashti",
"S. Noori",
""
],
[
"Darabi",
"F.",
""
]
] | In this paper, we study a hybrid combination of Einstein-Hilbert action with curvature scalar $R$, and a function $f(\mathcal{R})$ in Palatini gravity within the context of inflationary scenario, from the Swampland conjecture point of view. This hybrid model has been paid attention in recent cosmological studies, and i... |
gr-qc/9803090 | Roman Romanycz Zapatrin | G.N. Parfionov and R.R. Zapatrin | Connes duality in Lorentzian geometry | 11 pages, latex | J.Math.Phys.41:7122-7128,2000 | 10.1063/1.1285757 | null | gr-qc | null | The Connes formula giving the dual description for the distance between
points of a Riemannian manifold is extended to the Lorentzian case. It resulted
that its validity essentially depends on the global structure of spacetime. The
duality principle classifying spacetimes is introduced. The algebraic account
of the t... | [
{
"created": "Fri, 27 Mar 1998 06:50:31 GMT",
"version": "v1"
}
] | 2009-09-25 | [
[
"Parfionov",
"G. N.",
""
],
[
"Zapatrin",
"R. R.",
""
]
] | The Connes formula giving the dual description for the distance between points of a Riemannian manifold is extended to the Lorentzian case. It resulted that its validity essentially depends on the global structure of spacetime. The duality principle classifying spacetimes is introduced. The algebraic account of the the... |
1208.2299 | Luis P. Chimento | Luis P. Chimento and Alejandro S. Jakubi | Mathematical Features of Several Cosmological Models | 4 pages | Proceedings of the First Mexican School on Gravitation and
Mathematical Physics, Guanajuato, M\'exico, 12-16 December 1994, (World
Scientific, Singapore, 1996), 336-340 | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Einstein equations for several matter sources in homogeneous, isotropic
metric are shown to reduce to a second order nonlinear ordinary differential
equation. An analysis of its solutions is made in an important case.
| [
{
"created": "Sat, 11 Aug 2012 00:20:54 GMT",
"version": "v1"
}
] | 2012-08-14 | [
[
"Chimento",
"Luis P.",
""
],
[
"Jakubi",
"Alejandro S.",
""
]
] | Einstein equations for several matter sources in homogeneous, isotropic metric are shown to reduce to a second order nonlinear ordinary differential equation. An analysis of its solutions is made in an important case. |
2210.08707 | Jieci Wang | Qinglong Xiao, Cuihong Wen, Jiliang Jing, Jieci Wang | Generation of quantum coherence for continuous variables between
causally disconnected regions in dilaton spacetime | 15 pages, 7 figures | Eur. Phys. J. C (2022) 82:893 | 10.1140/epjc/s10052-022-10841-9 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the dynamics of Gaussian quantum coherence under the background of a
Garfinkle-Horowitz-Strominger dilaton black hole. It is shown that the dilaton
field has evident effects on the degree of coherence for all the bipartite
subsystems. The bipartite Gaussian coherence is not affected by the frequency
of the s... | [
{
"created": "Mon, 17 Oct 2022 02:47:08 GMT",
"version": "v1"
}
] | 2022-10-18 | [
[
"Xiao",
"Qinglong",
""
],
[
"Wen",
"Cuihong",
""
],
[
"Jing",
"Jiliang",
""
],
[
"Wang",
"Jieci",
""
]
] | We study the dynamics of Gaussian quantum coherence under the background of a Garfinkle-Horowitz-Strominger dilaton black hole. It is shown that the dilaton field has evident effects on the degree of coherence for all the bipartite subsystems. The bipartite Gaussian coherence is not affected by the frequency of the sca... |
2211.07498 | Gaoping Long | Gaoping Long, Chun-Yen Lin | The weak coupling theory of all dimensional loop quantum gravity | arXiv admin note: substantial text overlap with arXiv:2209.01955 | null | null | null | gr-qc math-ph math.MP | http://creativecommons.org/licenses/by-nc-nd/4.0/ | The weak coupling loop quantum theory with Abelian gauge group provides us a
new perspective to study the weak coupling properties of LQG. In this paper,
the weak coupling theory of all dimensional loop quantum gravity is established
based on a symplectic-morphism between the $SO(D+1)$ holonomy-flux phase space
and t... | [
{
"created": "Mon, 14 Nov 2022 16:27:57 GMT",
"version": "v1"
},
{
"created": "Wed, 16 Nov 2022 15:15:02 GMT",
"version": "v2"
}
] | 2022-11-17 | [
[
"Long",
"Gaoping",
""
],
[
"Lin",
"Chun-Yen",
""
]
] | The weak coupling loop quantum theory with Abelian gauge group provides us a new perspective to study the weak coupling properties of LQG. In this paper, the weak coupling theory of all dimensional loop quantum gravity is established based on a symplectic-morphism between the $SO(D+1)$ holonomy-flux phase space and the... |
1712.04286 | Eugen Radu | Carlos Herdeiro, Jutta Kunz, Eugen Radu and Bintoro Subagyo | Probing the universality of synchronised hair around rotating black
holes with Q-clouds | 13 pages, 6 figures | null | 10.1016/j.physletb.2018.01.083 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Recently, various families of black holes (BHs) with synchronised hair have
been constructed. These are rotating BHs surrounded, as fully non-linear
solutions of the appropriate Einstein-matter model, by a non-trivial bosonic
field in synchronised rotation with the BH horizon. Some families bifurcate
globally from a ... | [
{
"created": "Tue, 12 Dec 2017 13:38:36 GMT",
"version": "v1"
}
] | 2018-02-14 | [
[
"Herdeiro",
"Carlos",
""
],
[
"Kunz",
"Jutta",
""
],
[
"Radu",
"Eugen",
""
],
[
"Subagyo",
"Bintoro",
""
]
] | Recently, various families of black holes (BHs) with synchronised hair have been constructed. These are rotating BHs surrounded, as fully non-linear solutions of the appropriate Einstein-matter model, by a non-trivial bosonic field in synchronised rotation with the BH horizon. Some families bifurcate globally from a ba... |
gr-qc/9806099 | Luis Bel | Ll. Bel and A. Molina | Local anisotropy of space in a frame of reference co-moving with the
Earth | LaTeX, 14 pages | Nuovo Cim. B115 (2000) 577-586 | null | null | gr-qc | null | We consider, in the framework of General Relativity, the linear approximation
of the gravitational field of the Earth taking into account its mass, its
quadrupole moment, its shape and its diurnal rotation.
We conclude that in the frame of reference co-moving with the Earth the local
anisotropy of the space is of t... | [
{
"created": "Thu, 25 Jun 1998 11:46:47 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Bel",
"Ll.",
""
],
[
"Molina",
"A.",
""
]
] | We consider, in the framework of General Relativity, the linear approximation of the gravitational field of the Earth taking into account its mass, its quadrupole moment, its shape and its diurnal rotation. We conclude that in the frame of reference co-moving with the Earth the local anisotropy of the space is of the o... |
1712.04799 | Lee Smolin | Lee Smolin | The dynamics of difference | Latex 15 pages, no figues, small improvements | null | 10.1007/s10701-018-0141-8 | null | gr-qc hep-th quant-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | A proposal is made for a fundamental theory, in which the history of the
universe is constituted of diverse views of itself. Views are attributes of
events, and the theory's only be-ables; they comprise information about energy
and momentum transferred to an event from its causal past. A dynamics is
proposed for a un... | [
{
"created": "Tue, 12 Dec 2017 16:55:48 GMT",
"version": "v1"
},
{
"created": "Fri, 5 Apr 2019 15:23:06 GMT",
"version": "v2"
},
{
"created": "Sat, 1 Jun 2019 19:03:22 GMT",
"version": "v3"
}
] | 2019-06-04 | [
[
"Smolin",
"Lee",
""
]
] | A proposal is made for a fundamental theory, in which the history of the universe is constituted of diverse views of itself. Views are attributes of events, and the theory's only be-ables; they comprise information about energy and momentum transferred to an event from its causal past. A dynamics is proposed for a univ... |
1612.08556 | Ratna Koley | Ratna Koley and Sidhartha Samtani | Magnetogenesis in Matter - Ekpyrotic Bouncing Cosmology | 15 pages, 2 figures | JCAP04 (2017) 030 | 10.1088/1475-7516/2017/04/030 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In the recent past there have been many attempts to associate the generation
of primordial magnetic seed fields with the inflationary era, but with limited
success. We thus take a different approach by using a model for nonsingular
bouncing cosmology. A coupling of the electromagnetic Lagrangian
$F_{\mu\nu}F^{\mu\nu}... | [
{
"created": "Tue, 27 Dec 2016 10:01:15 GMT",
"version": "v1"
},
{
"created": "Mon, 30 Jan 2017 09:34:43 GMT",
"version": "v2"
}
] | 2017-04-20 | [
[
"Koley",
"Ratna",
""
],
[
"Samtani",
"Sidhartha",
""
]
] | In the recent past there have been many attempts to associate the generation of primordial magnetic seed fields with the inflationary era, but with limited success. We thus take a different approach by using a model for nonsingular bouncing cosmology. A coupling of the electromagnetic Lagrangian $F_{\mu\nu}F^{\mu\nu}$ ... |
gr-qc/0703064 | Hongbao Zhang | Sijie Gao and Hongbao Zhang | Can gravitational dynamics be obtained by diffeomorphism invariance of
action? | version published in PRD | Phys.Rev.D75:068501,2007 | 10.1103/PhysRevD.75.068501 | null | gr-qc | null | It has recently been suggested that the gravitational dynamics could be
obtained by requiring the action to be invariant under diffeomorphism
transformations. We argue that the action constructed in usual way is
automatically diffeomorphism invariant in nature, which thus invalidates this
alternative perspective to o... | [
{
"created": "Sun, 11 Mar 2007 14:14:53 GMT",
"version": "v1"
},
{
"created": "Wed, 28 Mar 2007 14:25:35 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Gao",
"Sijie",
""
],
[
"Zhang",
"Hongbao",
""
]
] | It has recently been suggested that the gravitational dynamics could be obtained by requiring the action to be invariant under diffeomorphism transformations. We argue that the action constructed in usual way is automatically diffeomorphism invariant in nature, which thus invalidates this alternative perspective to obt... |
2202.06194 | Nur Jaman | Nur Jaman and M. Sami | What is needed of a scalar field if it is to unify inflation and late
time acceleration ? | 33 pages, 9 figures, Accepted for publication in the Special Issue
"Latest Developments in the Quest for the Unification of Cosmic Inflation and
Dark Energy" in Journal "Galaxies" | Galaxies 10, no.2, 51 (2022) | 10.3390/galaxies10020051 | null | gr-qc | http://creativecommons.org/licenses/by/4.0/ | Quintessential inflation refers to scenarios in which a single scalar field
is used to describe inflation and late-time acceleration. This review is
dedicated to the framework of quintessential inflation, with a focus on the
building blocks of formalism. Consistent unification of inflation and late time
acceleration ... | [
{
"created": "Sun, 13 Feb 2022 03:43:07 GMT",
"version": "v1"
},
{
"created": "Sun, 20 Mar 2022 16:06:25 GMT",
"version": "v2"
}
] | 2022-04-14 | [
[
"Jaman",
"Nur",
""
],
[
"Sami",
"M.",
""
]
] | Quintessential inflation refers to scenarios in which a single scalar field is used to describe inflation and late-time acceleration. This review is dedicated to the framework of quintessential inflation, with a focus on the building blocks of formalism. Consistent unification of inflation and late time acceleration us... |
0909.3033 | Alberto Saa | Manuela G. Rodrigues and Alberto Saa | Accretion of nonminimally coupled scalar fields into black holes | 6 pages, final version to appear in PRD | Phys.Rev.D80:104018,2009 | 10.1103/PhysRevD.80.104018 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | By using a quasi-stationary approach, we consider the mass evolution of
Schwarzschild black holes in the presence of a nonminimally coupled
cosmological scalar field. The mass evolution equation is analytically solved
for generic coupling, revealing a qualitatively distinct behavior from the
minimal coupling case. In... | [
{
"created": "Wed, 16 Sep 2009 14:55:28 GMT",
"version": "v1"
},
{
"created": "Tue, 27 Oct 2009 17:34:09 GMT",
"version": "v2"
}
] | 2010-03-25 | [
[
"Rodrigues",
"Manuela G.",
""
],
[
"Saa",
"Alberto",
""
]
] | By using a quasi-stationary approach, we consider the mass evolution of Schwarzschild black holes in the presence of a nonminimally coupled cosmological scalar field. The mass evolution equation is analytically solved for generic coupling, revealing a qualitatively distinct behavior from the minimal coupling case. In p... |
1308.5388 | Mordehai Milgrom | Mordehai Milgrom (Weizmann Institute) | Gravitational waves in bimetric MOND | 5 pages, version to be published in Phys. Rev. D | Phys. Rev. D 89, 024027 (2014) | 10.1103/PhysRevD.89.024027 | null | gr-qc astro-ph.CO hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | I consider the weak field limit (WFL) of bimetric MOND (BIMOND): the lowest
order in the small departures Hmn and H'mn from double Minkowski space-time. In
particular, I look at propagating solutions, for a favorite subclass of BIMOND.
The WFL splits into two sectors for two linear combinations, Hmn+ and Hmn-, of
Hmn... | [
{
"created": "Sun, 25 Aug 2013 08:37:35 GMT",
"version": "v1"
},
{
"created": "Wed, 8 Jan 2014 10:24:39 GMT",
"version": "v2"
}
] | 2014-01-23 | [
[
"Milgrom",
"Mordehai",
"",
"Weizmann Institute"
]
] | I consider the weak field limit (WFL) of bimetric MOND (BIMOND): the lowest order in the small departures Hmn and H'mn from double Minkowski space-time. In particular, I look at propagating solutions, for a favorite subclass of BIMOND. The WFL splits into two sectors for two linear combinations, Hmn+ and Hmn-, of Hmn a... |
gr-qc/9906121 | Vojtich Pravda | V. Pravda | Curvature invariants in type-III spacetimes | 1 reference added, typos corrected, accepted for publication in Clas.
Quantum Grav | Class.Quant.Grav.16:3321-3326,1999 | 10.1088/0264-9381/16/10/321 | null | gr-qc | null | The results of paper [1] are generalized for vacuum type-III solutions with,
in general, a non-vanishing cosmological constant Lambda. It is shown that all
curvature invariants containing derivatives of the Weyl tensor vanish if a
type-III spacetime admits a non-expanding and non-twisting null geodesic
congruence.
... | [
{
"created": "Wed, 30 Jun 1999 08:10:38 GMT",
"version": "v1"
},
{
"created": "Tue, 17 Aug 1999 09:34:37 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Pravda",
"V.",
""
]
] | The results of paper [1] are generalized for vacuum type-III solutions with, in general, a non-vanishing cosmological constant Lambda. It is shown that all curvature invariants containing derivatives of the Weyl tensor vanish if a type-III spacetime admits a non-expanding and non-twisting null geodesic congruence. A no... |
gr-qc/0512148 | Ujjal Debnath | Ujjal Debnath | Classical Solutions in Einstein's Gravity and Study of some Collapsing
Models | Ph.D Thesis (2004), 185 Latex pages, 14 figures | null | null | null | gr-qc astro-ph | null | My research work can be classified into two parts namely, (i) Cosmological
phenomena with varying speed of light and (ii) Gravitational collapse and black
holes.
We have investigated several cosmological phenomena when velocity of light
varies with time. We have considered the variation of light as power-law in
tim... | [
{
"created": "Sat, 24 Dec 2005 08:51:33 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Debnath",
"Ujjal",
""
]
] | My research work can be classified into two parts namely, (i) Cosmological phenomena with varying speed of light and (ii) Gravitational collapse and black holes. We have investigated several cosmological phenomena when velocity of light varies with time. We have considered the variation of light as power-law in time an... |
2302.09821 | Qin Yu | Qin Yu, Qi Xu, Jun Tao | Thermodynamics and Microstructures of Euler-Heisenberg Black Hole in a
Cavity | 26 pages, 10 figures | 2023 Commun. Theor. Phys. 75 095402 | 10.1088/1572-9494/ace4b3 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The Euler-Heisenberg black holes with quantum electrodynamics (QED)
correction are embraced by a cavity in this paper, which serves as a boundary
of the black hole spacetime and contributes to the equilibrium of the system.
We explore the thermodynamic properties of the black hole, including the phase
transitions and... | [
{
"created": "Mon, 20 Feb 2023 07:56:39 GMT",
"version": "v1"
}
] | 2023-11-10 | [
[
"Yu",
"Qin",
""
],
[
"Xu",
"Qi",
""
],
[
"Tao",
"Jun",
""
]
] | The Euler-Heisenberg black holes with quantum electrodynamics (QED) correction are embraced by a cavity in this paper, which serves as a boundary of the black hole spacetime and contributes to the equilibrium of the system. We explore the thermodynamic properties of the black hole, including the phase transitions and p... |
1004.1375 | Mikhail Zubkov | M.A. Zubkov | Holst action and Dynamical Electroweak symmetry breaking | LaTeX | null | null | ITEP-LAT/2010-04 | gr-qc hep-lat hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider Poincare gravity coupled in a nonminimal way to spinors. The
gravitational action is considered that contains both Palatini and Holst terms.
Due to torsion the effective four - fermion interactions appear that may lead
to the left - right asymmetry and the condensation of fermions. When the mass
parameter... | [
{
"created": "Thu, 8 Apr 2010 16:57:53 GMT",
"version": "v1"
},
{
"created": "Thu, 15 Apr 2010 16:29:45 GMT",
"version": "v2"
},
{
"created": "Sun, 25 Apr 2010 16:56:53 GMT",
"version": "v3"
},
{
"created": "Mon, 6 Sep 2010 06:27:42 GMT",
"version": "v4"
}
] | 2010-09-07 | [
[
"Zubkov",
"M. A.",
""
]
] | We consider Poincare gravity coupled in a nonminimal way to spinors. The gravitational action is considered that contains both Palatini and Holst terms. Due to torsion the effective four - fermion interactions appear that may lead to the left - right asymmetry and the condensation of fermions. When the mass parameter e... |
1003.0873 | Luciano Rezzolla | Luciano Rezzolla, Rodrigo P. Macedo, Jos\'e Luis Jaramillo | Understanding the "anti-kick" in the merger of binary black holes | 4 pages; small changes to match the published version | Phys.Rev.Lett.104:221101,2010 | 10.1103/PhysRevLett.104.221101 | null | gr-qc astro-ph.HE hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The generation of a large recoil velocity from the inspiral and merger of
binary black holes represents one of the most exciting results of
numerical-relativity calculations. While many aspects of this process have been
investigated and explained, the "antikick", namely the sudden deceleration
after the merger, has n... | [
{
"created": "Wed, 3 Mar 2010 18:35:49 GMT",
"version": "v1"
},
{
"created": "Mon, 28 Jun 2010 06:17:12 GMT",
"version": "v2"
}
] | 2010-06-29 | [
[
"Rezzolla",
"Luciano",
""
],
[
"Macedo",
"Rodrigo P.",
""
],
[
"Jaramillo",
"José Luis",
""
]
] | The generation of a large recoil velocity from the inspiral and merger of binary black holes represents one of the most exciting results of numerical-relativity calculations. While many aspects of this process have been investigated and explained, the "antikick", namely the sudden deceleration after the merger, has not... |
1011.2219 | Eric Greenwood | Eric Greenwood, Dmitry I. Podolsky, Glenn D. Starkman | Pre-Hawking Radiation from a Collapsing Shell | 10 pages, 3 figures. We updated the acknowledgments as well as added
a statement clarifying that we are following the methods first laid out in
Phys. Rev. D 76, 024005 (2007) | null | 10.1088/1475-7516/2011/11/024 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate the effect of induced massive radiation given off during the
time of collapse of a massive spherically symmetric domain wall in the context
of the functional Schr\"odinger formalism. Here we find that the introduction
of mass suppresses the occupation number in the infrared regime of the induced
radiat... | [
{
"created": "Tue, 9 Nov 2010 21:15:10 GMT",
"version": "v1"
},
{
"created": "Thu, 18 Nov 2010 15:03:26 GMT",
"version": "v2"
}
] | 2015-05-20 | [
[
"Greenwood",
"Eric",
""
],
[
"Podolsky",
"Dmitry I.",
""
],
[
"Starkman",
"Glenn D.",
""
]
] | We investigate the effect of induced massive radiation given off during the time of collapse of a massive spherically symmetric domain wall in the context of the functional Schr\"odinger formalism. Here we find that the introduction of mass suppresses the occupation number in the infrared regime of the induced radiatio... |
1610.07411 | Abdul Jawad | Abdul Jawad, Farhad Ali, Mubasher Jamil and Ujjal Debnath | Dynamics of Particles Around a Regular Black Hole with Nonlinear
Electrodynamics | 19 pages, 8 figures, To appear in Communication in Theoretical
Physics | Commun.Theor. Phys. 66(2016)509--516 | 10.1088/0253-6102/66/5/509 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate the dynamics of a charged particle being kicked off from its
circular orbit around a regular black hole by an incoming massive particle in
the presence of magnetic field. The resulting escape velocity, escape energy
and the effective potential is analyzed. It is shown that the presence of even
a very w... | [
{
"created": "Fri, 21 Oct 2016 09:07:37 GMT",
"version": "v1"
}
] | 2016-11-23 | [
[
"Jawad",
"Abdul",
""
],
[
"Ali",
"Farhad",
""
],
[
"Jamil",
"Mubasher",
""
],
[
"Debnath",
"Ujjal",
""
]
] | We investigate the dynamics of a charged particle being kicked off from its circular orbit around a regular black hole by an incoming massive particle in the presence of magnetic field. The resulting escape velocity, escape energy and the effective potential is analyzed. It is shown that the presence of even a very wea... |
2209.02704 | Pardyumn Kumar Sahoo | Zinnat Hassan, Sayantan Ghosh, P.K. Sahoo, V. Sree Hari Rao | GUP Corrected Casimir Wormholes in $f(Q)$ Gravity | Revised version | General Relativity and Gravitation 55 (2023) 90 | 10.1007/s10714-023-03139-y | null | gr-qc hep-th | http://creativecommons.org/licenses/by/4.0/ | We have presented systematically the effect of the Generalized Uncertainty
Principle (GUP) in Casimir wormholes space-time in the recently proposed
modified gravity, the so-called symmetric teleparallel gravity or $f(Q)$
gravity. Here $Q$ is the non-metricity scalar that drives the gravitation
interaction. We conside... | [
{
"created": "Tue, 6 Sep 2022 14:58:38 GMT",
"version": "v1"
},
{
"created": "Wed, 12 Oct 2022 15:48:59 GMT",
"version": "v2"
},
{
"created": "Mon, 1 May 2023 14:45:51 GMT",
"version": "v3"
},
{
"created": "Thu, 20 Jul 2023 15:35:21 GMT",
"version": "v4"
}
] | 2023-08-14 | [
[
"Hassan",
"Zinnat",
""
],
[
"Ghosh",
"Sayantan",
""
],
[
"Sahoo",
"P. K.",
""
],
[
"Rao",
"V. Sree Hari",
""
]
] | We have presented systematically the effect of the Generalized Uncertainty Principle (GUP) in Casimir wormholes space-time in the recently proposed modified gravity, the so-called symmetric teleparallel gravity or $f(Q)$ gravity. Here $Q$ is the non-metricity scalar that drives the gravitation interaction. We consider ... |
1509.06980 | Sarfraz Ali | M. Jamil Amir and Sarfraz Ali | A Study of Holographic Dark Energy Models in Chern-Simon Modified
Gravity | 15 pages | Int J Theor Phys (2016) 55: 5095 | 10.1007/s1077 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | This paper is devoted to study some holographic dark energy models in the
context of Chern-Simon modified gravity by considering FRW universe. We analyze
the equation of state parameter using Granda and Oliveros infrared cut-off
proposal which describes the accelerated expansion of the universe under the
restrictions... | [
{
"created": "Fri, 18 Sep 2015 15:35:03 GMT",
"version": "v1"
}
] | 2017-08-31 | [
[
"Amir",
"M. Jamil",
""
],
[
"Ali",
"Sarfraz",
""
]
] | This paper is devoted to study some holographic dark energy models in the context of Chern-Simon modified gravity by considering FRW universe. We analyze the equation of state parameter using Granda and Oliveros infrared cut-off proposal which describes the accelerated expansion of the universe under the restrictions o... |
1606.07281 | Pedro Bargueno | Ernesto Contreras, Fabi\'an D. Villalba and Pedro Bargue\~no | Effective geometries and generalized uncertainty principle corrections
to the Bekenstein-Hawking entropy | Accepted in EPL (2016) | null | 10.1209/0295-5075/114/50009 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this work we construct several black hole metrics which are consistent
with the generalized uncertainty principle logarithmic correction to the
Bekenstein-Hawking entropy formula. After preserving the event horizon at the
usual position, a singularity at the Planck scale is found. Finally, these
geometries are sho... | [
{
"created": "Thu, 23 Jun 2016 12:11:50 GMT",
"version": "v1"
}
] | 2016-08-03 | [
[
"Contreras",
"Ernesto",
""
],
[
"Villalba",
"Fabián D.",
""
],
[
"Bargueño",
"Pedro",
""
]
] | In this work we construct several black hole metrics which are consistent with the generalized uncertainty principle logarithmic correction to the Bekenstein-Hawking entropy formula. After preserving the event horizon at the usual position, a singularity at the Planck scale is found. Finally, these geometries are shown... |
2110.13319 | Paul Lasky | Paul D. Lasky and Eric Thrane | Did Goryachev et al. detect megahertz gravitational waves? | Physical Review D | Physical Review D 104, 103017 (2021) | 10.1103/PhysRevD.104.103017 | null | gr-qc astro-ph.CO astro-ph.HE | http://creativecommons.org/licenses/by/4.0/ | Goryachev et al. [1] recently announced the detection of "two strongly
significant events" in their Bulk Acoustic Wave High Frequency Gravitational
Wave Antenna. They claim many possibilities for the cause of these events,
including high-frequency megahertz gravitational waves. We demonstrate these
events are not due... | [
{
"created": "Mon, 25 Oct 2021 23:28:48 GMT",
"version": "v1"
},
{
"created": "Mon, 15 Nov 2021 01:00:53 GMT",
"version": "v2"
}
] | 2021-11-16 | [
[
"Lasky",
"Paul D.",
""
],
[
"Thrane",
"Eric",
""
]
] | Goryachev et al. [1] recently announced the detection of "two strongly significant events" in their Bulk Acoustic Wave High Frequency Gravitational Wave Antenna. They claim many possibilities for the cause of these events, including high-frequency megahertz gravitational waves. We demonstrate these events are not due t... |
1910.04036 | Roberto De Pietri | Roberto De Pietri, Alessandra Feo, Jos\'e A. Font, Frank L\"offler,
Michele Pasquali, Nikolaos Stergioulas | Numerical-relativity simulations of long-lived remnants of binary
neutron star mergers | 20 pages, 16 figures. Improved text and one appendix added | Phys. Rev. D 101, 064052 (2020) | 10.1103/PhysRevD.101.064052 | null | gr-qc astro-ph.HE | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We analyze the properties of the gravitational wave signal emitted after the
merger of a binary neutron star system when the remnant survives for more than
a 80 ms (and up to 140ms). We employ four different piecewise polytropic
equations of state supplemented by an ideal fluid thermal component. We find
that the pos... | [
{
"created": "Wed, 9 Oct 2019 14:54:25 GMT",
"version": "v1"
},
{
"created": "Sat, 21 Mar 2020 19:06:06 GMT",
"version": "v2"
}
] | 2020-04-01 | [
[
"De Pietri",
"Roberto",
""
],
[
"Feo",
"Alessandra",
""
],
[
"Font",
"José A.",
""
],
[
"Löffler",
"Frank",
""
],
[
"Pasquali",
"Michele",
""
],
[
"Stergioulas",
"Nikolaos",
""
]
] | We analyze the properties of the gravitational wave signal emitted after the merger of a binary neutron star system when the remnant survives for more than a 80 ms (and up to 140ms). We employ four different piecewise polytropic equations of state supplemented by an ideal fluid thermal component. We find that the post-... |
gr-qc/0402018 | I. B. Khriplovich | I.B. Khriplovich and G.G. Kirilin | Quantum long-range interactions in general relativity | a reference added; 14 pages, 7 figures | EconfC0306234:1361-1366,2003; J.Exp.Theor.Phys.98:1063-1072,2004;
Zh.Eksp.Teor.Fiz.125:1219-1228,2004 | 10.1134/1.1777618 | null | gr-qc hep-ph hep-th | null | We consider one-loop effects in general relativity which result in quantum
long-range corrections to the Newton law, as well as to the gravitational
spin-dependent and velocity-dependent interactions. Some contributions to these
effects can be interpreted as quantum corrections to the Schwarzschild and Kerr
metric.
| [
{
"created": "Wed, 4 Feb 2004 12:10:19 GMT",
"version": "v1"
},
{
"created": "Thu, 1 Apr 2004 05:52:41 GMT",
"version": "v2"
}
] | 2008-12-18 | [
[
"Khriplovich",
"I. B.",
""
],
[
"Kirilin",
"G. G.",
""
]
] | We consider one-loop effects in general relativity which result in quantum long-range corrections to the Newton law, as well as to the gravitational spin-dependent and velocity-dependent interactions. Some contributions to these effects can be interpreted as quantum corrections to the Schwarzschild and Kerr metric. |
gr-qc/0401027 | Gerard Hooft 't | Gerard 't Hooft (Spinoza Institute and ITP, Utrecht, Netherlands) | Horizons | 14 pages LaTeX, 3 Figures PostScript, uses gthstyle.sty (included)
Lecture presented at the Erice School for Sub-Nuclear Physics, Sept. 2003 | null | 10.1142/9789812701794_0008 | ITP-UU-04/01; SPIN-04/01 | gr-qc | null | The gravitational force harbours a fundamental instability against collapse.
In standard General Relativity without Quantum Mechanics, this implies the
existence of black holes as natural, stable solutions of Einstein's equations.
If one attempts to quantize the gravitational force, one should also consider
the quest... | [
{
"created": "Thu, 8 Jan 2004 13:10:02 GMT",
"version": "v1"
}
] | 2017-08-23 | [
[
"Hooft",
"Gerard 't",
"",
"Spinoza Institute and ITP, Utrecht, Netherlands"
]
] | The gravitational force harbours a fundamental instability against collapse. In standard General Relativity without Quantum Mechanics, this implies the existence of black holes as natural, stable solutions of Einstein's equations. If one attempts to quantize the gravitational force, one should also consider the questio... |
2311.02585 | Shibendu Gupta Choudhury | Shibendu Gupta Choudhury and Soumya Chakrabarti | The fate of a Quantum-Corrected Collapsing Star in General Relativity | 31 pages, 33 figures, Comments are welcome | JCAP 01(2024) 007 | 10.1088/1475-7516/2024/01/007 | null | gr-qc hep-th math-ph math.MP | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We incorporate some corrections inspired by loop quantum gravity into the
concept of gravitational collapse and propose a complete model of the dynamic
process. The model carries the essence of a mass-independent upper bound on the
curvature scalars originally found as a crucial feature of black holes in loop
quantum... | [
{
"created": "Sun, 5 Nov 2023 08:03:28 GMT",
"version": "v1"
}
] | 2024-02-08 | [
[
"Choudhury",
"Shibendu Gupta",
""
],
[
"Chakrabarti",
"Soumya",
""
]
] | We incorporate some corrections inspired by loop quantum gravity into the concept of gravitational collapse and propose a complete model of the dynamic process. The model carries the essence of a mass-independent upper bound on the curvature scalars originally found as a crucial feature of black holes in loop quantum g... |
2206.00083 | Shahram Jalalzadeh | S. Jalalzadeh, S. M. M. Rasouli and P. V. Moniz | Shape Invariant Potentials in Supersymmetric Quantum Cosmology | 19 pages, 3 figures, Review article, contribution to the special
issue on "Quantum Cosmology" in Universe | Universe, 8, 316 (2022) | 10.3390/universe8060316 | null | gr-qc hep-th quant-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this brief review, we comment on the concept of shape invariant
potentials, which is an essential feature in many settings of $N=2$
supersymmetric quantum mechanics. To motivate its application within
supersymmetric quantum cosmology, we present a case study to illustrate the
value of this promising tool. Concrete... | [
{
"created": "Tue, 31 May 2022 19:51:21 GMT",
"version": "v1"
}
] | 2022-06-07 | [
[
"Jalalzadeh",
"S.",
""
],
[
"Rasouli",
"S. M. M.",
""
],
[
"Moniz",
"P. V.",
""
]
] | In this brief review, we comment on the concept of shape invariant potentials, which is an essential feature in many settings of $N=2$ supersymmetric quantum mechanics. To motivate its application within supersymmetric quantum cosmology, we present a case study to illustrate the value of this promising tool. Concretely... |
0912.0136 | Remo Garattini | Remo Garattini | The cosmological constant as an eigenvalue of the Hamiltonian constraint
in Horava-Lifshits theory | RevTeX,11 Pages, Substantial Improvements. References added. To
appear in Phys.Rev.D | null | 10.1103/PhysRevD.86.123507 | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In the framework of Horava-Lifshitz theory, we study the eigenvalues
associated with the Wheeler-DeWitt equation representing the vacuum expectation
values associated with the cosmological constant. The explicit calculation is
performed with the help of a variational procedure with trial wave functionals
of the Gauss... | [
{
"created": "Tue, 1 Dec 2009 12:11:18 GMT",
"version": "v1"
},
{
"created": "Mon, 3 Dec 2012 15:41:04 GMT",
"version": "v2"
}
] | 2015-05-14 | [
[
"Garattini",
"Remo",
""
]
] | In the framework of Horava-Lifshitz theory, we study the eigenvalues associated with the Wheeler-DeWitt equation representing the vacuum expectation values associated with the cosmological constant. The explicit calculation is performed with the help of a variational procedure with trial wave functionals of the Gaussia... |
1102.3790 | Michael Gorodetsky | N. M. Kondratiev, A. G. Gurkovsky and M. L. Gorodetsky | Effect of interference on thermal noise and coating optimization in
dielectric mirrors | 7 pages, 7 figures | Phys.Rev.D84:022001,2011 | 10.1103/PhysRevD.84.022001 | null | gr-qc physics.optics | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Optical multilayer coatings of high-reflective mirrors significantly
determine the properties of Fabry-Perot resonators. Thermal (Brownian) noise in
these coatings produce excess phase noise which can seriously degrade the
sensitivity of high-precision measurements with these cavities, in particular
in laser gravitat... | [
{
"created": "Fri, 18 Feb 2011 09:36:36 GMT",
"version": "v1"
}
] | 2011-08-08 | [
[
"Kondratiev",
"N. M.",
""
],
[
"Gurkovsky",
"A. G.",
""
],
[
"Gorodetsky",
"M. L.",
""
]
] | Optical multilayer coatings of high-reflective mirrors significantly determine the properties of Fabry-Perot resonators. Thermal (Brownian) noise in these coatings produce excess phase noise which can seriously degrade the sensitivity of high-precision measurements with these cavities, in particular in laser gravitatio... |
2301.11561 | Yohei Nishino | Yohei Nishino, Tomotada Akutsu, Yoichi Aso, Takayuki Tomaru | Control Scheme for Polarization Circulation Speed Meter Using a
Dual-Retardation Waveplate | 9 pages, 8 figures, 3 tables | null | 10.1103/PhysRevD.107.084029 | null | gr-qc physics.ins-det | http://creativecommons.org/licenses/by/4.0/ | In interferometric gravitational wave detectors, quantum radiation pressure
noise, which is a back action of the measurement, will limit their
sensitivities at low frequencies. Speed meters are one of the solutions to
reduce the back action noise and improve the sensitivities, and furthermore,
they can surpass the st... | [
{
"created": "Fri, 27 Jan 2023 06:50:49 GMT",
"version": "v1"
},
{
"created": "Fri, 10 Feb 2023 08:48:12 GMT",
"version": "v2"
},
{
"created": "Tue, 7 Mar 2023 06:06:06 GMT",
"version": "v3"
}
] | 2023-04-26 | [
[
"Nishino",
"Yohei",
""
],
[
"Akutsu",
"Tomotada",
""
],
[
"Aso",
"Yoichi",
""
],
[
"Tomaru",
"Takayuki",
""
]
] | In interferometric gravitational wave detectors, quantum radiation pressure noise, which is a back action of the measurement, will limit their sensitivities at low frequencies. Speed meters are one of the solutions to reduce the back action noise and improve the sensitivities, and furthermore, they can surpass the stan... |
1904.01836 | Prado Martin-Moruno | Mariam Bouhmadi-L\'opez, Claus Kiefer, Prado Mart\'in-Moruno | Phantom singularities and their quantum fate: general relativity and
beyond | Invited Report. V1: 27 pages, 1 figure. V2: 2 references added, "note
added in proof" added | Gen Relativ Gravit (2019) 51: 135 | 10.1007/s10714-019-2618-y | null | gr-qc astro-ph.CO hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Cosmological observations allow the possibility that dark energy is caused by
phantom fields. These fields typically lead to the occurrence of singularities
in the late Universe. We review here the status of phantom singularities and
their possible avoidance in a quantum theory of gravity. We first introduce
phantom ... | [
{
"created": "Wed, 3 Apr 2019 08:22:16 GMT",
"version": "v1"
},
{
"created": "Mon, 21 Oct 2019 10:24:41 GMT",
"version": "v2"
}
] | 2019-10-22 | [
[
"Bouhmadi-López",
"Mariam",
""
],
[
"Kiefer",
"Claus",
""
],
[
"Martín-Moruno",
"Prado",
""
]
] | Cosmological observations allow the possibility that dark energy is caused by phantom fields. These fields typically lead to the occurrence of singularities in the late Universe. We review here the status of phantom singularities and their possible avoidance in a quantum theory of gravity. We first introduce phantom en... |
gr-qc/0605081 | Bela Lukacs | Nora Fay and B. Lukacs | On a Possible Indicator of Homogeneity of the Universe | null | null | null | null | gr-qc | null | A new method is described for recognising internal non-randomness in deep
galaxy surveys.
| [
{
"created": "Fri, 12 May 2006 19:34:27 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Fay",
"Nora",
""
],
[
"Lukacs",
"B.",
""
]
] | A new method is described for recognising internal non-randomness in deep galaxy surveys. |
2206.10251 | Pisin Chen | Pisin Chen, Misao Sasaki, Dong-han Yeom, Junggi Yoon | Tunneling between multiple histories as a solution to the information
loss paradox | 20 pages, 9 figures. arXiv admin note: substantial text overlap with
arXiv:2205.08320, arXiv:2111.01005 | null | null | YITP-22-65 | gr-qc astro-ph.HE hep-th | http://creativecommons.org/licenses/by/4.0/ | The information loss paradox associated with black hole Hawking evaporation
is an unresolved problem in modern theoretical physics. In a recent brief
essay, we revisited the the evolution of the black hole entanglement entropy
via the Euclidean path integral (EPI) of the quantum state and allow for the
branching of s... | [
{
"created": "Tue, 21 Jun 2022 10:58:37 GMT",
"version": "v1"
},
{
"created": "Sun, 3 Sep 2023 07:36:49 GMT",
"version": "v2"
}
] | 2023-09-06 | [
[
"Chen",
"Pisin",
""
],
[
"Sasaki",
"Misao",
""
],
[
"Yeom",
"Dong-han",
""
],
[
"Yoon",
"Junggi",
""
]
] | The information loss paradox associated with black hole Hawking evaporation is an unresolved problem in modern theoretical physics. In a recent brief essay, we revisited the the evolution of the black hole entanglement entropy via the Euclidean path integral (EPI) of the quantum state and allow for the branching of sem... |
2405.16438 | Zeeshan Gul | Muhammad Zeeshan Gul, Muhammad Sharif and Imran Hashim | Analysis of Cosmic Evolution admitting Garcia-Salcedo Ghost and
Generalized Ghost Dark Energy Models | 26 pages, 11 figures, Accepted | Physics of the Dark Universe (2024) | 10.1016/j.dark.2024.101537 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | This study aims to explore the Garcia-Salcedo ghost dark energy and
generalized ghost dark energy models in the context of
$f(\mathrm{R},\mathrm{T^2})$ theory, where $\mathrm{R}$ is the Ricci scalar and
$\mathrm{T^2}$ is the self-contraction of stress-energy tensor. We investigate
the non-interacting case only corres... | [
{
"created": "Sun, 26 May 2024 05:42:57 GMT",
"version": "v1"
}
] | 2024-05-28 | [
[
"Gul",
"Muhammad Zeeshan",
""
],
[
"Sharif",
"Muhammad",
""
],
[
"Hashim",
"Imran",
""
]
] | This study aims to explore the Garcia-Salcedo ghost dark energy and generalized ghost dark energy models in the context of $f(\mathrm{R},\mathrm{T^2})$ theory, where $\mathrm{R}$ is the Ricci scalar and $\mathrm{T^2}$ is the self-contraction of stress-energy tensor. We investigate the non-interacting case only correspo... |
2209.00160 | Oleksandr Stashko | O. S. Stashko, V. I. Zhdanov | Circular orbits of test particles interacting with massless linear
scalar field of the naked singularity | null | PhysRevD.106.104049 (2022) | 10.1103/PhysRevD.106.104049(2022) | null | gr-qc | http://creativecommons.org/licenses/by/4.0/ | We study effects of the particles coupling with scalar field (SF) on the
distribution of stable circular orbits (SCO) around the naked singularity
described by the well-known Fisher-Janis-Newman-Winicour solution. The
power-law and exponential models of the particle--SF interaction are analyzed.
The focus is on the n... | [
{
"created": "Wed, 31 Aug 2022 23:59:27 GMT",
"version": "v1"
},
{
"created": "Fri, 21 Oct 2022 17:14:36 GMT",
"version": "v2"
}
] | 2023-12-20 | [
[
"Stashko",
"O. S.",
""
],
[
"Zhdanov",
"V. I.",
""
]
] | We study effects of the particles coupling with scalar field (SF) on the distribution of stable circular orbits (SCO) around the naked singularity described by the well-known Fisher-Janis-Newman-Winicour solution. The power-law and exponential models of the particle--SF interaction are analyzed. The focus is on the non... |
gr-qc/0509074 | Dr. Anirudh Pradhan | G. S. Khadekar, Anirudh Pradhan and M. R. Molaei | Higher Dimensional Dust Cosmological Implications of a Decay Law for
$\Lambda$ Term : Expressions for Some Observable Quantities | 10 pages, no figure, to be appear in IJMPD | Int.J.Mod.Phys.D15:95-106,2006 | 10.1142/S0218271806007638 | null | gr-qc | null | In this paper we have considered the multidimensional cosmological
implications of a decay law for $\Lambda$ term that is proportional to $\beta
\frac{\ddot {a}}{a}$, where $\beta$ is a constant and $a$ is the scale factor
of RW-space time. We discuss the cosmological consequences of a model for the
vanishing pressur... | [
{
"created": "Sun, 18 Sep 2005 06:02:56 GMT",
"version": "v1"
}
] | 2009-11-11 | [
[
"Khadekar",
"G. S.",
""
],
[
"Pradhan",
"Anirudh",
""
],
[
"Molaei",
"M. R.",
""
]
] | In this paper we have considered the multidimensional cosmological implications of a decay law for $\Lambda$ term that is proportional to $\beta \frac{\ddot {a}}{a}$, where $\beta$ is a constant and $a$ is the scale factor of RW-space time. We discuss the cosmological consequences of a model for the vanishing pressure ... |
2110.08635 | Jordan Moxon | Jordan Moxon, Mark A. Scheel, Saul A. Teukolsky, Nils Deppe, Nils
Fischer, Francois H\'ebert, Lawrence E. Kidder, and William Throwe | The SpECTRE Cauchy-characteristic evolution system for rapid, precise
waveform extraction | null | null | null | null | gr-qc | http://creativecommons.org/licenses/by/4.0/ | We give full details regarding the new Cauchy-characteristic evolution (CCE)
system in SpECTRE. The implementation is built to provide streamlined
flexibility for either extracting waveforms during the process of a SpECTRE
binary compact object simulation, or as a standalone module for extracting
waveforms from world... | [
{
"created": "Sat, 16 Oct 2021 18:28:24 GMT",
"version": "v1"
}
] | 2021-10-19 | [
[
"Moxon",
"Jordan",
""
],
[
"Scheel",
"Mark A.",
""
],
[
"Teukolsky",
"Saul A.",
""
],
[
"Deppe",
"Nils",
""
],
[
"Fischer",
"Nils",
""
],
[
"Hébert",
"Francois",
""
],
[
"Kidder",
"Lawrence E.",
""
],
[... | We give full details regarding the new Cauchy-characteristic evolution (CCE) system in SpECTRE. The implementation is built to provide streamlined flexibility for either extracting waveforms during the process of a SpECTRE binary compact object simulation, or as a standalone module for extracting waveforms from worldtu... |
2003.07769 | Shao-Wen Wei | Shao-Wen Wei, Yu-Xiao Liu | Testing the nature of Gauss-Bonnet gravity by four-dimensional rotating
black hole shadow | 19 pages, 7 figures, comments and references added, modified version | Eur.Phys.J.Plus 136, 436 (2021) | null | null | gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The recent discovery of the novel four-dimensional static and spherically
symmetric Gauss-Bonnet black hole provides a promising bed to test Gauss-Bonnet
gravity by using astronomical observations [Phys. Rev. Lett. 124, 081301
(2020)]. In this paper, we first obtain the rotating Gauss-Bonnet black hole
solution by us... | [
{
"created": "Tue, 17 Mar 2020 15:33:47 GMT",
"version": "v1"
},
{
"created": "Wed, 1 Apr 2020 08:29:55 GMT",
"version": "v2"
},
{
"created": "Wed, 2 Sep 2020 00:54:39 GMT",
"version": "v3"
},
{
"created": "Wed, 21 Feb 2024 09:25:47 GMT",
"version": "v4"
}
] | 2024-02-22 | [
[
"Wei",
"Shao-Wen",
""
],
[
"Liu",
"Yu-Xiao",
""
]
] | The recent discovery of the novel four-dimensional static and spherically symmetric Gauss-Bonnet black hole provides a promising bed to test Gauss-Bonnet gravity by using astronomical observations [Phys. Rev. Lett. 124, 081301 (2020)]. In this paper, we first obtain the rotating Gauss-Bonnet black hole solution by usin... |
1707.03670 | Michael Good | Michael R. R. Good and Eric V. Linder | Slicing the Vacuum: New Accelerating Mirror Solutions of the Dynamical
Casimir Effect | 8 pages, 10 figures | Phys. Rev. D 96, 125010 (2017) | 10.1103/PhysRevD.96.125010 | null | gr-qc astro-ph.CO hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Radiation from accelerating mirrors in a Minkowski spacetime provides
insights into the nature of horizons, black holes, and entanglement entropy. We
introduce new, simple, symmetric and analytic moving mirror solutions and study
their particle, energy, and entropy production. This includes an asymptotically
static c... | [
{
"created": "Tue, 11 Jul 2017 04:12:12 GMT",
"version": "v1"
}
] | 2017-12-27 | [
[
"Good",
"Michael R. R.",
""
],
[
"Linder",
"Eric V.",
""
]
] | Radiation from accelerating mirrors in a Minkowski spacetime provides insights into the nature of horizons, black holes, and entanglement entropy. We introduce new, simple, symmetric and analytic moving mirror solutions and study their particle, energy, and entropy production. This includes an asymptotically static cas... |
gr-qc/0101017 | Gorbatsievich Alexander K. | A.A.Blinkouski and A.K.Gorbatsievich | Generation of exact solutions in cosmology on the basis of
five-dimensional Projective Unified Field Theory | 8 pages | Gravitation & Cosmology, Vol.7 (2001), No.4, pp. 281-285 | null | null | gr-qc | null | A homogeneous and isotropic model of the Universe is considered in the
framework of the five-dimensional Projective Unified Field Theory in which the
gravitation is described by both space-time curvature and some hypothetical
scalar field (sigma-field). We propose a generation method for obtaining exact
solutions. Ne... | [
{
"created": "Fri, 5 Jan 2001 09:13:54 GMT",
"version": "v1"
},
{
"created": "Thu, 27 Nov 2003 15:25:18 GMT",
"version": "v2"
}
] | 2007-05-23 | [
[
"Blinkouski",
"A. A.",
""
],
[
"Gorbatsievich",
"A. K.",
""
]
] | A homogeneous and isotropic model of the Universe is considered in the framework of the five-dimensional Projective Unified Field Theory in which the gravitation is described by both space-time curvature and some hypothetical scalar field (sigma-field). We propose a generation method for obtaining exact solutions. New ... |
1902.06508 | Yan Peng | Yan Peng | No-go theorem for static boson stars with negative cosmological
constants | 9 pages | Nuclear Physics B 953 (2020) 114955 | 10.1016/j.nuclphysb.2020.114955 | null | gr-qc hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In a recent paper, Hod has proven no-go theorem for asymptotically flat
static regular boson stars. In the present work, we extend discussions to the
gravity with a negative cosmological constant. We consider a scalar field
vanishing at infinity. In the asymptotically AdS background, we show that
spherically symmetri... | [
{
"created": "Mon, 18 Feb 2019 10:55:40 GMT",
"version": "v1"
},
{
"created": "Sat, 25 May 2019 15:46:51 GMT",
"version": "v2"
},
{
"created": "Fri, 14 Feb 2020 02:27:20 GMT",
"version": "v3"
}
] | 2020-02-17 | [
[
"Peng",
"Yan",
""
]
] | In a recent paper, Hod has proven no-go theorem for asymptotically flat static regular boson stars. In the present work, we extend discussions to the gravity with a negative cosmological constant. We consider a scalar field vanishing at infinity. In the asymptotically AdS background, we show that spherically symmetric ... |
1506.09071 | Guilherme de Berredo-Peixoto | Guilherme de Berredo-Peixoto and Cleber A. de Souza | On the action for Weyssenhoff spin fluid and the Barbero-Immirzi
parameter | 9 pages, no figures | null | null | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | It was showed by Perez and Rovelli in 2006 that the Holst action in gravity
with torsion with massless and minimally coupling Dirac fermions gives rise to
the four-fermion coupling term, whose coefficient is a function of the
Barbero-Immirzi (BI) parameter. This parameter is present in the Holst action,
which is an o... | [
{
"created": "Tue, 30 Jun 2015 13:11:13 GMT",
"version": "v1"
}
] | 2015-07-01 | [
[
"de Berredo-Peixoto",
"Guilherme",
""
],
[
"de Souza",
"Cleber A.",
""
]
] | It was showed by Perez and Rovelli in 2006 that the Holst action in gravity with torsion with massless and minimally coupling Dirac fermions gives rise to the four-fermion coupling term, whose coefficient is a function of the Barbero-Immirzi (BI) parameter. This parameter is present in the Holst action, which is an obj... |
1912.13177 | Xiangdong Zhang | Xulong Yuan, Yunlong Liu and Xiangdong Zhang | Collision of spinning particles near BTZ black holes | 14 pages, 1 figure | Chinese Physics C Vol. 44, No. 6 (2020) 065104 | 10.1088/1674-1137/44/6/065104 | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the collision property of spinning particles near a
Ba\~nados-Teitelboim-Zanelli (BTZ) black hole. Our results show that although
the center-of-mass energy of two ingoing particles diverges if one of the
particles possesses a critical angular momentum, however, particle with
critical angular momentum can not... | [
{
"created": "Tue, 31 Dec 2019 05:29:48 GMT",
"version": "v1"
}
] | 2020-04-15 | [
[
"Yuan",
"Xulong",
""
],
[
"Liu",
"Yunlong",
""
],
[
"Zhang",
"Xiangdong",
""
]
] | We study the collision property of spinning particles near a Ba\~nados-Teitelboim-Zanelli (BTZ) black hole. Our results show that although the center-of-mass energy of two ingoing particles diverges if one of the particles possesses a critical angular momentum, however, particle with critical angular momentum can not e... |
0709.2414 | Ying-Qiu Gu | Ying-Qiu Gu | Dynamical Constraints on the Cosmological Parameters | 9 pages, 1 figures | null | null | null | gr-qc astro-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In cosmology, the cosmic curvature $K$ and the cosmological constant
$\Lambda$ are two important parameters, and the values have strong influence on
the behavior of the universe. In the context of normal cosmology, under the
ordinary assumptions of positive mass-energy and initial negative pressure, we
find the initi... | [
{
"created": "Sat, 15 Sep 2007 10:00:43 GMT",
"version": "v1"
},
{
"created": "Thu, 21 Feb 2008 06:00:05 GMT",
"version": "v2"
},
{
"created": "Fri, 20 Mar 2009 06:08:40 GMT",
"version": "v3"
},
{
"created": "Wed, 29 Apr 2009 10:58:21 GMT",
"version": "v4"
},
{
"c... | 2017-08-11 | [
[
"Gu",
"Ying-Qiu",
""
]
] | In cosmology, the cosmic curvature $K$ and the cosmological constant $\Lambda$ are two important parameters, and the values have strong influence on the behavior of the universe. In the context of normal cosmology, under the ordinary assumptions of positive mass-energy and initial negative pressure, we find the initial... |
1609.01731 | Thomas M\"adler | Thomas M\"adler, Jeffrey Winicour | Bondi-Sachs Formalism | Scholarpedia review article, an up-to-date version can be found under
http://scholarpedia.org/article/Bondi-Sachs_Formalism, includes general
normalisation of unit sphere dyad, corrected typos, additional references | Scholarpedia, 11(12):33528 (2016) | 10.4249/scholarpedia.33528 | null | gr-qc astro-ph.CO hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The Bondi-Sachs formalism of General Relativity is a metric-based treatment
of the Einstein equations in which the coordinates are adapted to the null
geodesics of the spacetime. It provided the first convincing evidence that
gravitational radiation is a nonlinear effect of general relativity and that
the emission of... | [
{
"created": "Tue, 6 Sep 2016 20:00:36 GMT",
"version": "v1"
},
{
"created": "Tue, 20 Dec 2016 20:42:28 GMT",
"version": "v2"
},
{
"created": "Wed, 17 Jan 2018 01:38:42 GMT",
"version": "v3"
}
] | 2018-01-18 | [
[
"Mädler",
"Thomas",
""
],
[
"Winicour",
"Jeffrey",
""
]
] | The Bondi-Sachs formalism of General Relativity is a metric-based treatment of the Einstein equations in which the coordinates are adapted to the null geodesics of the spacetime. It provided the first convincing evidence that gravitational radiation is a nonlinear effect of general relativity and that the emission of g... |
gr-qc/9403018 | null | Dieter Brill and Geoff Hayward | Is the gravitational action additive? | 20 pages LaTeX file, report numbers UMD-PP 94-100 and Alberta Thy
10-94 | Phys.Rev. D50 (1994) 4914-4919 | 10.1103/PhysRevD.50.4914 | null | gr-qc | null | The gravitational action is not always additive in the usual sense. We
provide a general prescription for the change in action that results when
different portions of the boundary of a spacetime are topologically identified.
We discuss possible implications for the superposition law of quantum gravity.
We present a d... | [
{
"created": "Wed, 9 Mar 1994 22:28:44 GMT",
"version": "v1"
},
{
"created": "Thu, 10 Mar 1994 17:10:44 GMT",
"version": "v2"
}
] | 2009-10-22 | [
[
"Brill",
"Dieter",
""
],
[
"Hayward",
"Geoff",
""
]
] | The gravitational action is not always additive in the usual sense. We provide a general prescription for the change in action that results when different portions of the boundary of a spacetime are topologically identified. We discuss possible implications for the superposition law of quantum gravity. We present a def... |
gr-qc/0302118 | Xin Wu | Xin Wu, Tian-yi Huang | Computation of Lyapunov Exponents in General Relativity | 13 pages, 3 figures | Phys.Lett. A313 (2003) 77-81 | 10.1016/S0375-9601(03)00720-5 | null | gr-qc | null | Lyapunov exponents (LEs) are key indicators of chaos in dynamical systems. In
general relativity the classical definition of LE meets difficulty because it
is not coordinate invariant and spacetime coordinates lose their physical
meaning as in Newtonian dynamics. We propose a new definition of relativistic
LE and giv... | [
{
"created": "Fri, 28 Feb 2003 08:08:04 GMT",
"version": "v1"
},
{
"created": "Sat, 21 Jun 2003 01:59:44 GMT",
"version": "v2"
}
] | 2009-11-10 | [
[
"Wu",
"Xin",
""
],
[
"Huang",
"Tian-yi",
""
]
] | Lyapunov exponents (LEs) are key indicators of chaos in dynamical systems. In general relativity the classical definition of LE meets difficulty because it is not coordinate invariant and spacetime coordinates lose their physical meaning as in Newtonian dynamics. We propose a new definition of relativistic LE and give ... |
1012.1400 | A. Shadi Tahvildar-Zadeh | A. Shadi Tahvildar-Zadeh | On the Static Spacetime of a Single Point Charge | 33 pages, 2 figures, revised version, to appear in Rev. Math. Phys | Rev.Math.Phys.23:309-346,2011 | 10.1142/S0129055X11004308 | null | gr-qc math-ph math.MP | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Among all electromagnetic theories which (a) are derivable from a Lagrangian,
(b) satisfy the dominant energy condition, and (c) in the weak field limit
coincide with classical linear electromagnetics, we identify a certain subclass
with the property that the corresponding static, spherically symmetric,
asymptoticall... | [
{
"created": "Tue, 7 Dec 2010 05:38:45 GMT",
"version": "v1"
},
{
"created": "Mon, 21 Feb 2011 17:19:42 GMT",
"version": "v2"
}
] | 2011-09-30 | [
[
"Tahvildar-Zadeh",
"A. Shadi",
""
]
] | Among all electromagnetic theories which (a) are derivable from a Lagrangian, (b) satisfy the dominant energy condition, and (c) in the weak field limit coincide with classical linear electromagnetics, we identify a certain subclass with the property that the corresponding static, spherically symmetric, asymptotically ... |
gr-qc/0609001 | Jonas Mureika | J. R. Mureika | Fractal Holography: a geometric re-interpretation of cosmological large
scale structure | 13 pp, LaTeX. Revised version; to appear in JCAP | JCAP 0705:021,2007 | 10.1088/1475-7516/2007/05/021 | null | gr-qc astro-ph | null | The fractal dimension of large-scale galaxy clustering has been demonstrated
to be roughly $D_F \sim 2$ from a wide range of redshift surveys. If correct,
this statistic is of interest for two main reasons: fractal scaling is an
implicit representation of information content, and also the value itself is a
geometric ... | [
{
"created": "Thu, 31 Aug 2006 21:02:13 GMT",
"version": "v1"
},
{
"created": "Thu, 17 May 2007 21:51:43 GMT",
"version": "v2"
}
] | 2010-10-27 | [
[
"Mureika",
"J. R.",
""
]
] | The fractal dimension of large-scale galaxy clustering has been demonstrated to be roughly $D_F \sim 2$ from a wide range of redshift surveys. If correct, this statistic is of interest for two main reasons: fractal scaling is an implicit representation of information content, and also the value itself is a geometric si... |
gr-qc/0610009 | Abraham Harte | Abraham I. Harte | Multipole structure of current vectors in curved spacetime | 13 pages, minor changes, accepted to J. Math. Phys | J.Math.Phys.48:012501,2007 | 10.1063/1.2409526 | null | gr-qc | null | A method is presented which allows the exact construction of conserved (i.e.
divergence-free) current vectors from appropriate sets of multipole moments.
Physically, such objects may be taken to represent the flux of particles or
electric charge inside some classical extended body. Several applications are
discussed.... | [
{
"created": "Mon, 2 Oct 2006 17:58:16 GMT",
"version": "v1"
},
{
"created": "Fri, 17 Nov 2006 22:26:43 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Harte",
"Abraham I.",
""
]
] | A method is presented which allows the exact construction of conserved (i.e. divergence-free) current vectors from appropriate sets of multipole moments. Physically, such objects may be taken to represent the flux of particles or electric charge inside some classical extended body. Several applications are discussed. I... |
1701.05023 | Joan Josep Ferrando | Joan Josep Ferrando and Juan Antonio S\'aez | Labeling spherically symmetric spacetimes with the Ricci tensor | 20 pages, no figues | Class. Quantum Grav. {34} (2017) 045002 | 10.1088/1361-6382/aa525d | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We complete the intrinsic characterization of spherically symmetric solutions
partially accomplished in a previous paper [Class.Quant.Grav. (2010) 27
205024]. In this approach we consider every compatible algebraic type of the
Ricci tensor, and we analyze specifically the conformally flat case for perfect
fluid and E... | [
{
"created": "Wed, 18 Jan 2017 12:00:55 GMT",
"version": "v1"
}
] | 2017-01-25 | [
[
"Ferrando",
"Joan Josep",
""
],
[
"Sáez",
"Juan Antonio",
""
]
] | We complete the intrinsic characterization of spherically symmetric solutions partially accomplished in a previous paper [Class.Quant.Grav. (2010) 27 205024]. In this approach we consider every compatible algebraic type of the Ricci tensor, and we analyze specifically the conformally flat case for perfect fluid and Ein... |
gr-qc/0309048 | Spiros Cotsakis | Spiros Cotsakis | Global Hyperbolicity of Sliced Spaces | 7 pages | Gen.Rel.Grav. 36 (2004) 1183-1188 | 10.1023/B:GERG.0000018284.43552.2f | null | gr-qc | null | We show that for generic sliced spacetimes global hyperbolicity is equivalent
to space completeness under the assumption that the lapse, shift and spatial
metric are uniformly bounded. This leads us to the conclusion that simple
sliced spaces are timelike and null geodesically complete if and only if space
is a compl... | [
{
"created": "Tue, 9 Sep 2003 06:32:50 GMT",
"version": "v1"
}
] | 2009-11-10 | [
[
"Cotsakis",
"Spiros",
""
]
] | We show that for generic sliced spacetimes global hyperbolicity is equivalent to space completeness under the assumption that the lapse, shift and spatial metric are uniformly bounded. This leads us to the conclusion that simple sliced spaces are timelike and null geodesically complete if and only if space is a complet... |
0809.3433 | Sergei Kopeikin | Sergei Kopeikin (University of Missouri-Columbia, USA) | Post-Newtonian limitations on measurement of the PPN parameters caused
by motion of gravitating bodies | 17 pages, 1 figure; accepted for publication to MNRAS | null | 10.1111/j.1365-2966.2009.15387.x | null | gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We derive explicit Lorentz-invariant solution of the Einstein and null
geodesic equations for data processing of the time delay and ranging
experiments in gravitational field of moving gravitating bodies of the solar
system - the Sun and major planets. We discuss general-relativistic
interpretation of these experimen... | [
{
"created": "Fri, 19 Sep 2008 18:39:00 GMT",
"version": "v1"
},
{
"created": "Wed, 21 Jan 2009 00:04:25 GMT",
"version": "v2"
},
{
"created": "Tue, 14 Jul 2009 18:25:02 GMT",
"version": "v3"
}
] | 2015-05-13 | [
[
"Kopeikin",
"Sergei",
"",
"University of Missouri-Columbia, USA"
]
] | We derive explicit Lorentz-invariant solution of the Einstein and null geodesic equations for data processing of the time delay and ranging experiments in gravitational field of moving gravitating bodies of the solar system - the Sun and major planets. We discuss general-relativistic interpretation of these experiments... |
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