Gravitational entropy and thermodynamics away from the horizon

Title: Gravitational entropy and thermodynamics away from the horizon
Creator: Brustein, R, Medved, A J M
Date: 2012
Type: Article
Identifier: vital:6818
Identifier: http://hdl.handle.net/10962/d1004328
Description: We define, by an integral of geometric quantities over a spherical shell of arbitrary radius, an invariant gravitational entropy. This definition relies on defining a gravitational energy and pressure, and it reduces at the horizon of both black branes and black holes to Wald's Noether charge entropy. We support the thermodynamic interpretation of the proposed entropy by showing that, for some cases, the field theory duals of the entropy, energy and pressure are the same as the corresponding quantities in the field theory. In this context, the Einstein equations are equivalent to the field theory thermodynamic relation TdS=dE+PdV supplemented by an equation of state
Format: 13 p, pdf
Language: English
Relation: Brustein, R and Medved, A.J.M (2012) Gravitational entropy and thermodynamics away from the horizon. Physics Letters B, 715 (1-3). pp. 267-270. Available: http://dx.doi.org/10.1016/j.physletb.2012.07.051

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Medved, Joey (Prof)

RU Department of Physics and Electronics

SDG 09. Industry, Innovation and Infrastructure

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