Gauss-Bonnet black holes supported by a nonlinear electromagnetic field

D. Rubiera-Garcia
Phys. Rev. D 91, 064065 – Published 30 March 2015

Abstract

We study D-dimensional charged static spherically symmetric black hole solutions in Gauss-Bonnet theory coupled to nonlinear electrodynamics defined as arbitrary functions of the field invariant and constrained by several physical conditions. These solutions are characterized in terms of the mass parameter m, the electromagnetic energy ϵ, and the Gauss-Bonnet parameter lα2. We find that a general feature of these solutions is that the metric behaves in a different way in D=5 and D>5 space-time dimensions. Moreover, such solutions split into two classes, according to whether they are defined everywhere or they show branch singularities, depending on (m,ϵ,lα2). We describe qualitatively the structures composed in this scenario, which largely extends the results obtained in the literature for several particular families of nonlinear electrodynamics. An explicit new example, illustrative of our results, is introduced. Finally we allow nonvanishing values of the cosmological constant length lΛ2 and study the existence of new structures, in both asymptotically anti–de Sitter and de Sitter spaces.

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  • Received 21 November 2014

DOI:https://doi.org/10.1103/PhysRevD.91.064065

© 2015 American Physical Society

Authors & Affiliations

D. Rubiera-Garcia*

  • Center for Field Theory and Particle Physics and Department of Physics, Fudan University, 220 Handan Road, 200433 Shanghai, China

  • *drubiera@fudan.edu.cn

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Vol. 91, Iss. 6 — 15 March 2015

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