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arXiv 1106.2415gr-qc
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五维带电黑洞的幻影吸积

Phantom Accretion by Five Dimensional Charged Black Hole

M. Sharif, G. Abbas

摘要:

本文研究了五维带电黑洞附近幻场的动力学行为。我们制定了稳态球对称流动的幻影流体的运动方程。研究发现,对于$u<0$,幻影能量吸积到黑洞上.进一步计算了吸积临界点的位置,从而得到了5D带电黑洞的质荷比。这个比率意味着吸积不能把黑洞变成裸奇点。我们想在这里提到,这项工作是一个不可约的扩展4D带电黑洞。

英文摘要:

This paper deals with the dynamical behavior of phantom field near five dimensional charged black hole. We formulate equations of motion for steady-state spherically symmetric flow of phantom fluids. It is found that phantom energy accretes onto black holes for $u<0$. Further, the location of critical point of accretion are evaluated that leads to mass to charge ratio for 5D charged black hole. This ratio implies that accretion cannot transform a black hole into a naked singularity. We would like to mention here that this work is an irreducible extension of 4D charged black hole.

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