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Phantom Accretion onto the Schwarzschild de-Sitter Black Hole |
| M Sharif**, G Abbas
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Department of Mathematics, University of the Punjab, Quaid-e-Azam Campus, Lahore-54590, Pakistan
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| Cite this article: |
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M Sharif, G Abbas 2011 Chin. Phys. Lett. 28 090402 |
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Abstract 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 the 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 Λ→0.
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| Keywords:
04.70.Bw
04.70.Dy
95.35.+d
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Received: 20 April 2011
Published: 30 August 2011
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| PACS: |
04.70.Bw
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(Classical black holes)
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04.70.Dy
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(Quantum aspects of black holes, evaporation, thermodynamics)
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95.35.+d
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(Dark matter)
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