A c-function for non-supersymmetric attractors | Zendy

Kevin Goldstein | Zendy; Rudra P Jena | Zendy; Gautam Mandal | Zendy; Sandip P. Trivedi | Zendy

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A c-function for non-supersymmetric attractors

Author(s) -

Kevin Goldstein,

Rudra P Jena,

Gautam Mandal,

Sandip P. Trivedi

Publication year - 2006

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 - 10.1088/1126-6708/2006/02/053

Subject(s) - attractor , function (biology) , physics , mathematics , mathematical physics , biology , mathematical analysis , evolutionary biology

We present a c-function for spherically symmetric, static and asymptoticallyflat solutions in theories of four-dimensional gravity coupled to gauge fieldsand moduli. The c-function is valid for both extremal and non-extremal blackholes. It monotonically decreases from infinity and in the static regionacquires its minimum value at the horizon, where it equals the entropy of theblack hole. Higher dimensional cases, involving $p$-form gauge fields, andother generalisations are also discussed.Comment: References adde

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