On five-dimensional non-extremal charged black holes and FRW cosmology

Abstract

We consider static non-extremal charged black hole solutions in the context of N=2 gauged supergravity theories in five dimensions, and we show that they satisfy first-order flow equations. Then we analyze the motion of the dual brane in these black hole backgrounds. We express the entropy in terms of a Cardy-Verlinde-type formula, and we show that the equations describing the FRW cosmology on the brane have a form that is similar to the equations for the entropy and for the Casimir energy on the brane. We also briefly comment on the inclusion of a Gauss-Bonnet term in the analysis.

27 pages,5 figures, references added

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• Black string first order flow in N=2, d=5 abelian gauged supergravity
• Hot Attractors
• Non-extremal black hole solutions from the c-map
• Heating up branes in gauged supergravity
• First order flow equations for nonextremal black holes in AdS (super)gravity
• Hidden Structures of Black Holes
• Black holes, first-order flow equations and geodesics on symmetric spaces