Vacuum states for AdS2 black holes | Zendy

Marcus Spradlin | Zendy; Andrew Strominger | Zendy

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Vacuum states for AdS₂ black holes

Author(s) -

Marcus Spradlin,

Andrew Strominger

Publication year - 1999

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/1999/11/021

Subject(s) - physics , spacetime , mathematical physics , quantum entanglement , black hole (networking) , quantum field theory in curved spacetime , extremal black hole , black hole thermodynamics , massless particle , entropy (arrow of time) , hawking radiation , quantum mechanics , quantum gravity , quantum , computer network , routing protocol , routing (electronic design automation) , computer science , link state routing protocol

An AdS_2 black hole spacetime is an AdS_2 spacetime together with a preferredchoice of time. The Boulware, Hartle-Hawking and SL(2,R) invariant vacua areconstructed, together with their Green functions and stress tensors, for bothmassive and massless scalars in an AdS_2 black hole. The classicalBekenstein-Hawking entropy is found to be independent of the temperature, butat one loop a non-zero entanglement entropy arises. This represents alogarithmic violation of finite-temperature decoupling for AdS_2 black holeswhich arise in the near-horizon limit of an asymptotically flat black hole.Correlation functions of the SL(2,R) invariant boundary quantum mechanics arecomputed as functions of the choice of AdS_2 vacuum.Comment: (31 pages, 6 figures, harvmac

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