Accretion of Holographic Dark Energy : Dependency only upon Horizon Radius of Expanding Universe

Details Accretion of Holographic Dark Energy : Dependency only upon Horizon Radius of Expanding Universe Accretion of Holographic Dark Energy : Dependency only upon Horizon Radius of Expanding Universe

2010-06-16

arxiv.org/abs/1006.3130v2

Astrophys.Space Sci.335:603-609,2011

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

11 pages

Scientific paper

10.1007/s10509-011-0772-0

In this paper we deal with accretion of dark energy in the holographic dark energy model for a general non-rotating static spherically symmetric black hole. The mass of the black hole increases or decreases depending on the nature of the holographic dark energy (quintessence or phantom) as well as on some integration parameters. It is to be illustrated that the enhancement or reduction of mass of a black hole is independent of the mass or size of the black hole itself. Rather it depends only upon the radius of the event horizon of the universe. Finally, the generalized second law of thermodynamics has been studied on the event horizon to be assured that the law holds even if when the black hole mass is decreasing though it is engrossing some mass.

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