paper

Thermodynamical properties of topological Born-Infeld-dilaton black holes

arXiv:0801.4112 · doi:10.1142/S021827180901425X

Abstract

We examine the -dimensional action in which gravity is coupled to the Born-Infeld nonlinear electrodynamic and a dilaton field. We construct a new -dimensional analytic solution of this theory in the presence of Liouville-type dilaton potentials. These solutions which describe charged topological dilaton black holes with nonlinear electrodynamics, have unusual asymptotics. They are neither asymptotically flat nor (anti)-de Sitter. The event horizons of these black holes can be an -dimensional positive, zero or negative constant curvature hypersurface. We also analyze thermodynamics and stability of these solutions and disclose the effect of the dilaton and Born-Infeld fields on the thermal stability in the canonical ensemble.

18 pages, 15 figures; IJMPD (2008) to appear

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