Rotating black holes in Einstein-Maxwell-dilaton gravity

Ahmad Sheykhi
Phys. Rev. D 77, 104022 – Published 19 May 2008

Abstract

We present a new class of slowly rotating black hole solutions in (n+1)-dimensional (n3) Einstein-Maxwell-dilaton gravity in the presence of Liouville-type potential for the dilaton field and an arbitrary value of the dilaton coupling constant. Because of the presence of the dilaton field, the asymptotic behavior of these solutions are neither flat nor (A)dS. In the absence of a dilaton field, our solution reduces to the (n+1)-dimensional Kerr-Newman modification thereof for small rotation parameter [A. N. Aliev, Phys. Rev. D 74, 024011 (2006).]. We also compute the angular momentum and the gyromagnetic ratio of these rotating dilaton black holes.

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  • Received 28 November 2007

DOI:https://doi.org/10.1103/PhysRevD.77.104022

©2008 American Physical Society

Authors & Affiliations

Ahmad Sheykhi

  • Department of Physics, Shahid Bahonar University, P.O. Box 76175-132, Kerman, Iran
  • Research Institute for Astronomy and Astrophysics of Maragha (RIAAM), Maragha, Iran

  • *sheykhi@mail.uk.ac.ir

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Issue

Vol. 77, Iss. 10 — 15 May 2008

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