Phantom Accretion onto the Schwarzschild de-Sitter Black Hole

Details Phantom Accretion onto the Schwarzschild de-Sitter Black Hole Phantom Accretion onto the Schwarzschild de-Sitter Black Hole

2011-09-06

arxiv.org/abs/1109.1043v1

Chin. Phys. Lett. 28(2011)090402

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

9 pages, no figure

Scientific paper

We deal with phantom energy accretion onto the Schwarzschild de-Sitter black hole. The energy flux conservation, relativistic Bernoulli equation and mass flux conservation equation are formulated to discuss the phantom accretion. We discuss the conditions for critical accretion. It is found that mass of the black hole decreases due to phantom accretion. There exist two critical points which lie in the exterior of horizons (black hole and cosmological horizons). The results for the phantom energy accretion onto the Schwarzschild black hole can be recovered by taking $\Lambda\rightarrow0$.

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