期刊
GENERAL RELATIVITY AND GRAVITATION
卷 44, 期 10, 页码 2681-2686出版社
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10714-012-1418-4
关键词
Emergent gravity; Horizon energy; Entropy black hole
In the study of horizon thermodynamics and emergent gravity two natural expressions for energy, E = 2T S (equipartition energy) and E = T S (Noether energy) arise which differ by a factor 2. I clarify the role of these two expressions in different contexts and show how E = T S is also closely related to the Noether charge arising from the boundary term of the Einstein-Hilbert action.
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