Entropy maximization in the presence of higher-curvature interactions | Zendy

Gabriel Lopes Cardoso | Zendy; Dieter Lüst | Zendy; Jan Perz | Zendy

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Entropy maximization in the presence of higher-curvature interactions

Author(s) -

Gabriel Lopes Cardoso,

Dieter Lüst,

Jan Perz

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 - 10.1088/1126-6708/2006/05/028

Subject(s) - conifold , physics , curvature , moduli space , supergravity , moduli , gravitation , maximization , context (archaeology) , entropy (arrow of time) , massless particle , mathematical physics , theoretical physics , classical mechanics , quantum mechanics , mathematics , supersymmetry , geometry , brane cosmology , mathematical optimization , paleontology , biology

Within the context of the entropic principle, we consider the entropy ofsupersymmetric black holes in N=2 supergravity theories in four dimensions withhigher-curvature interactions, and we discuss its maximization at points inmoduli space at which an excess of hypermultiplets becomes massless. We findthat the gravitational coupling function F^(1) enhances the maximization atthese points in moduli space. In principle, this enhancement may be modified bythe contribution from higher F^(g)-couplings. We show that this is indeed thecase for the resolved conifold by resorting to the non-perturbative expressionfor the topological free energy.Comment: 22 pages, 8 figures, AMS-LaTe

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