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arXiv 0802.1264astro-ph
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体粘滞宇宙学中的黑洞

Black Holes in Bulk Viscous Cosmology

Francesco De Paolis, Mubasher Jamil, Asghar Qadir

摘要:

我们研究了具有非零体粘滞系数的幻影能量对Schwarzschild黑洞的吸积效应,并证明了与非粘滞情况相比,吸积粘性幻影能量的黑洞会迅速失去质量.当物质与幻影能量一起被吸收时,黑洞会遇到与大体积粘性力主导物质吸积相同的命运。如果幻影能量具有大的体粘滞性,那么黑洞的质量将比在小粘滞性情况下减小得更快。

英文摘要:

We investigate the effects of the accretion of phantom energy with non-zero bulk viscosity onto a Schwarzschild black hole and show that black holes accreting viscous phantom energy will lose mass rapidly compared to the non-viscous case. When matter is incorporated along with the phantom energy, the black holes meet with the same fate as bulk viscous forces dominate matter accretion. If the phantom energy has large bulk viscosity, then the mass of the black hole will reduce faster than in the small viscosity case.

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