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arXiv 1311.0239gr-qchep-th
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黑洞防火墙的质量

Mass of a Black Hole Firewall

M. A. Abramowicz, W. Kluźniak, J. -P. Lasota

摘要:

霍金辐射的量子纠缠被认为在旧黑洞的事件视界附近产生了普朗克密度“防火墙”。我们表明,普朗克密度防火墙被排除在爱因斯坦方程的质量超过普朗克质量的黑洞。我们发现一个上限的$1/(8πM)$的质量$M$的史瓦西黑洞的防火墙的表面密度,翻译为天体物理黑洞的防火墙密度小于普朗克密度超过30个数量级。防火墙密度的严格上限由普朗克密度乘以比率$M_{\rm Pl}/(8πM)$给出。

英文摘要:

Quantum entanglement of Hawking radiation has been supposed to give rise to a Planck density "firewall" near the event horizon of old black holes. We show that Planck density firewalls are excluded by Einstein's equations for black holes of mass exceeding the Planck mass. We find an upper limit of $1/(8πM)$ to the surface density of a firewall in a Schwarzschild black hole of mass $M$, translating for astrophysical black holes into a firewall density smaller than Planck density by more than 30 orders of magnitude. A strict upper limit on the firewall density is given by the Planck density times the ratio $M_{\rm Pl}/(8πM)$.

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