منابع مشابه
Noether current, horizon Virasoro algebra, and entropy
We provide a simple and straightforward procedure for defining a Virasoro algebra based on the diffeomorphisms near a null surface in a space-time and obtain the entropy density of the null surface from its central charge. We use the off-shell Noether current corresponding to the diffeomorphism invariance of a gravitational Lagrangian Lðgab; RabcdÞ and define the Virasoro algebra from its varia...
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ژورنال
عنوان ژورنال: Progress of Theoretical Physics Supplement
سال: 1994
ISSN: 0375-9687
DOI: 10.1143/ptps.115.1