Energy flux through the horizon in the black hole-domain wall systems

Details Energy flux through the horizon in the black hole-domain wall systems Energy flux through the horizon in the black hole-domain wall systems

2004-09-08

arxiv.org/abs/gr-qc/0409038v2

JHEP 0409:061,2004

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

references added, accepted for publication in JHEP

Scientific paper

10.1088/1126-6708/2004/09/061

We study various configurations in which a domain wall (or cosmic string), described by the Nambu-Goto action, is embedded in a background space-time of a black hole in $(3+1)$ and higher dimensional models. We calculate energy fluxes through the black hole horizon. In the simplest case, when a static domain wall enters the horizon of a static black hole perperdicularly, the energy flux is zero. In more complicated situations, where parameters which describe the domain wall surface are time and position dependent, the flux is non-vanishing is principle. These results are of importance in various conventional cosmological models which accommodate the existence of domain walls and strings and also in brane world scenarios.

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