Evolution of a Schwarzschild Black Hole in Phantom-like Chaplygin gas Cosmologies

Details Evolution of a Schwarzschild Black Hole in Phantom-like Chaplygin gas Cosmologies Evolution of a Schwarzschild Black Hole in Phantom-like Chaplygin gas Cosmologies

2009-06-16

arxiv.org/abs/0906.2875v2

Eur.Phys.J.C62:609-614,2009

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

12 pages, no figures, version to appear in Eur. Phys. J. C

Scientific paper

10.1140/epjc/s10052-009-1051-x

In the classical relativistic regime, the accretion of phantom energy onto a black hole reduces the mass of the black hole. In this context, we have investigated the evolution of a Schwarzschild black hole in the standard model of cosmology using the phantom-like modified variable Chaplygin gas and the viscous generalized Chaplygin gas. The corresponding expressions for accretion time scale and evolution of mass have been derived. Our results indicate that mass of the black hole will decrease if the accreting phantom Chaplygin gas violates the dominant energy condition and will increase in the opposite case. Thus our results are in agreement with the results of Babichev \textit{et al} \cite{Babi1} who first proposed this scenario.

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