Microcanonical path integrals and the holography of small black hole interiors

Microcanonical path integrals and the holography of small black hole interiors
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微正则路径积分和小黑洞内部的全息术

DOI:
10.1007/jhep09(2018)114
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发表时间:
2018
影响因子:
5.4
通讯作者:
Marolf, Donald
Marolf, Donald
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Marolf, Donald

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我们使用一个微正则路径积分密切相关的布朗和约克在1992年推出的AdS/CFT字典有关小黑洞的内部添加新的条目。这样的路径积分的驻点也是具有固定边界度量的更标准的正则型路径积分的驻点,但是优势的条件现在是在固定能量下最大化Hubeny-Rangamani-Takayanagi熵。因此,这样的路径积分可以带来在更熟悉的情况下不能占主导地位的鞍。我们使用这个功能,认为标准的Kruskal双边扩展的小AdS黑洞的能量E 0是对偶的微正则版本的AdS黑洞的热场双态,最大限度地提高微正则体熵在这个能量。我们还评论纠缠在这样的状态和量子效应,当微正则系综的能量宽度是足够小的。
We use a microcanonical path integral closely related to that introduced by Brown and York in 1992 to add new entries to the AdS/CFT dictionary concerning the interiors of small black holes. Stationary points of such path integrals are also stationary points of more standard canonical-type path integrals with fixed boundary metric, but the condition for dominance is now maximizing Hubeny-Rangamani-Takayanagi entropy at fixed energy. As a result, such path integrals can bring to the fore saddles that fail to dominate in more familiar contexts. We use this feature to argue that the standard Kruskal-like two-sided extension of small AdS black holes with energy E 0 is dual to a microcanonical version of the thermofield double state for AdS black holes that maximize the microcanonical bulk entropy at this energy. We also comment on entanglement in such states and on quantum effects that become large when the energy-width of the microcanonical ensemble is sufficiently small.
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