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The Thermodynamical Behaviors of Kerr–Newman AdS Black Holes |
| A. Belhaj1,2, M. Chabab2, H. El Moumni2*, L. Medari2, M. B. Sedra3 |
1Département de Physique, Faculté Polydisciplinaire, Université Sultan Moulay Slimane, Béni Mellal, Morocco
2High Energy Physics and Astrophysics Laboratory, FSSM, Cadi Ayyad University, Marrakesh, Morocco
3 Université Ibn Tofail, Faculté des Sciences, Département de Physique, LHESIR, Kénitra, Morocco
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| Cite this article: |
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A. Belhaj, M. Chabab, H. El Moumni et al 2013 Chin. Phys. Lett. 30 090402 |
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Abstract We reconsider the study of critical behaviors of Kerr–Newman Anti-de Sitter (AdS) black holes in four dimensions. The study is made in terms of the moduli space parameterized by the charge Q and the rotation parameter a, relating the mass M of the black hole and its angular momentum J via the relation a =J/M. Specifically, we discuss such thermodynamical behaviors in the presence of a positive cosmological constant considered as a thermodynamic pressure and its conjugate quantity as a thermodynamic volume. The equation of state for a charged Reissner–Nordstrom AdS black hole predicts a critical universal number depending on the (Q,a) moduli space. In the vanishing limit of the a parameter, this prediction recovers the usual universal number in four dimensions. Then, we find the bounded region of the moduli space allowing the consistency of the model with real thermodynamical variables.
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Received: 10 May 2013
Published: 21 November 2013
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| PACS: |
04.70.Dy
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(Quantum aspects of black holes, evaporation, thermodynamics)
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98.80.Cq
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(Particle-theory and field-theory models of the early Universe (including cosmic pancakes, cosmic strings, chaotic phenomena, inflationary universe, etc.))
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05.70.Ce
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(Thermodynamic functions and equations of state)
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