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Supersonic velocities in noncommutative acoustic black holes

M. A. Anacleto*, F. A. Brito†, and E. Passos‡

  • Departamento de Física, Universidade Federal de Campina Grande, 58109-970, Campina Grande, Paraíba, Brazil

  • *anacleto@df.ufcg.edu.br
  • †fabrito@df.ufcg.edu.br
  • ‡passos@df.ufcg.edu.br
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Phys. Rev. D 85, 025013 – Published 24 January, 2012

DOI: https://doi.org/10.1103/PhysRevD.85.025013

Abstract

In this paper we derive Schwarzschild and Kerr-like noncommutative acoustic black hole metrics in the (3+1)-dimensional noncommutative Abelian Higgs model. We have found that the changing ΔTH in the Hawking temperature TH due to spacetime noncommutativity accounts for supersonic velocities vg, whose deviation with respect to the sound speed cs is given in the form (vg−cs)/cs=ΔTH/8TH.

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Phys. Rev. D 85, 025013– Published 24 January, 2012
  • Received 27 October 2011

© 2012 American Physical Society

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