Volume of black holes

Volume of black holes
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DOI:
10.1130/physrevd.73.124021
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发表时间:
2006-06-01
期刊:
影响因子:
5
通讯作者:
Parikh, Maulik K.
Parikh, Maulik K.
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Parikh, Maulik K.

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我们提出了一个简单的定常时空体积的定义。建议的体积是恒定的时间,独立的选择固定的时间切片,并适用于即使在没有一个全球性的类时基矢量。然后,我们考虑是否有可能构建时空,有有限的视界面积,但无限的体积,通过让半径去无穷大,同时进行离散标识,以保持视界面积。我们表明,在三个或四个维度,没有这样的解决方案存在,不以某种方式不一致。这可能会限制贝肯斯坦-霍金熵的统计解释。
We propose a simple definition of volume for stationary spacetimes. The proposed volume is constant in time, independent of the choice of stationary time slicing, and applies even in the absence of a globally timelike Killing vector. We then consider whether it is possible to construct spacetimes that have finite horizon area but infinite volume, by letting the radius go to infinity while making discrete identifications to preserve the horizon area. We show that, in three or four dimensions, no such solutions exist that are not inconsistent in some way. This may constrain the statistical interpretation of the Bekenstein-Hawking entropy.