从时空固体推导任意微分同胚不变引力的引力场方程与视界熵
广义相对论与量子宇宙学
2010-04-06 v3
摘要
受时空与非均匀弹性模量固体之间类比的启发，我们提出了一种替代方法，通过极值化时空固体位移矢量场的构造熵函数，来获得任意微分同胚不变引力的场方程。在一般稳态时空中，我们证明视界的Wald熵源于时空固体的在壳熵函数。
引用
@article{arxiv.0909.1367,
title = {Deriving the gravitational field equation and horizon entropy for arbitrary diffeomorphism-invariant gravity from spacetime solid},
author = {Shao-Feng Wu and Bin Wang and Xian-Hui Ge and Guo-Hong Yang},
journal= {arXiv preprint arXiv:0909.1367},
year = {2010}
}
备注
19 pages, no figure, to be published in Phys. Rev. D