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Horizon dynamics in perturbed Kerr spacetimes
Horizon dynamics perturbed Kerr spacetimes
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2010/12/20
We present numerical simulations of a Kerr black hole perturbed by a pulse of ingoing gravitational radiation. For strong perturbations we find up to five concentric marginally outer trapped surfaces....
Equipartition of energy and the first law of thermodynamics at the apparent horizon
thermodynamics Equipartition of energy apparent horizon
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2010/3/18
We apply the holographic principle and the equipartition law of energy to the apparent horizon
of a Friedmann-Robertson-Walker universe and derive the Friedmann equation describing the dy-
namics of...
Gravitational-wave signatures of the absence of an event horizon. II. Extreme mass ratio inspirals in the spacetime of a thin-shell gravastar
Gravitational-wave signatures event horizon thin-shell gravastar
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2010/3/18
We study gravitational-wave emission from the quasi-circular, extreme mass ratio inspiral of compact objects of mass m0 into massive objects of mass M>>m0 whose external metric is identical to the Sch...
On the existence of cosmological event horizon
Cosmological horizon strong energy condition positive cosmological constant
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2010/3/17
We show that, for general static or axisymmetric stationary spacetimes, a cosmological horizon exists only if $R_{ab}n^{a}n^{b}< 0$ for a hypersurface orthogonal timelike $n^{a}$, at least over some p...
Hawking Radiation of Dirac Particles on Rindler Horizon to a
Uniformly Accelerating Observer
Rindler horizon Dirac particles Dirac
equation Hawking radiation
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2007/8/15
2003Vol.40No.2pp.244-246DOI:
Hawking Radiation of Dirac Particles on Rindler Horizon to a
Uniformly Accelerating Observer
ZHANG Jing-Yi
Department of Physics, Zhanjiang...