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arXiv 1005.3555hep-thgr-qc
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膜范式实现了?

Membrane paradigm realized?

Samir D. Mathur

摘要:

在黑洞视界上有自由度吗?使用“膜范例”,我们可以通过假设视界外有一个虚构的膜来重现洞外的粗粒度物理。但要解决信息之谜,我们需要在视界上有“真实的”自由度,这可以修改霍金的量子模式演化。我们认为,最近的结果引力微观状态意味着一组真正的自由度就在视界外,孔的状态是一个线性组合的快速振荡的引力解与支持集中在视界半径外。这些微观状态解决方案的集体行为可能会实现膜范式,用真实的、明确的自由度取代虚构的膜。

英文摘要:

Are there any degrees of freedom on the black hole horizon? Using the `membrane paradigm' we can reproduce coarse-grained physics outside the hole by assuming a fictitious membrane just outside the horizon. But to solve the information puzzle we need `real' degrees of freedom at the horizon, which can modify Hawking's evolution of quantum modes. We argue that recent results on gravitational microstates imply a set of real degrees of freedom just outside the horizon; the state of the hole is a linear combination of rapidly oscillating gravitational solutions with support concentrated just outside the horizon radius. The collective behavior of these microstate solutions may give a realization of the membrane paradigm, with the fictitious membrane now replaced by real, explicit degrees of freedom.

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