A local first law of gravity

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dc.contributor.author Parikh, Maulik
dc.contributor.author Sarkar, Sudipta
dc.contributor.author Svesko, Andrew
dc.date.accessioned 2018-02-15T09:56:44Z
dc.date.available 2018-02-15T09:56:44Z
dc.date.issued 2018-01
dc.identifier.citation Parikh, Maulik; Sarkar, Sudipta and Svesko, Andrew, “A local first law of gravity”, arXiv, Cornell University Library, DOI: arXiv:1801.07306, Jan. 2018. en_US
dc.identifier.uri https://repository.iitgn.ac.in/handle/123456789/3462
dc.identifier.uri http://arxiv.org/abs/1801.07306
dc.description.abstract We find a local first law of thermodynamics, ΔE=TΔS−W, connecting gravitational entropy, S, with matter energy and work. For Einstein gravity S is the Bekenstein-Hawking entropy, while for more general theories of gravity S is the Wald entropy, evaluated on the stretched future light cone of any point in an arbitrary spacetime, not necessarily containing a black hole. The equation can also be written as ρΔV=TΔS−pΔV by regarding the energy-momentum tensor as that of a fluid. en_US
dc.description.statementofresponsibility by Maulik Parikh, Sudipta Sarkar and Andrew Svesko
dc.language.iso en en_US
dc.publisher Cornell University Library en_US
dc.title A local first law of gravity en_US
dc.type Preprint en_US

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