Quasinormal modes and Hawking radiation of a Reissner-Nordström black hole surrounded by quintessence

Authors: Saleh, Mahamat1; Bouetou, Bouetou2; Kofane, Timoleon3

Source: Astrophysics and Space Science, Volume 333, Number 2, June 2011 , pp. 449-455(7)

Publisher: Springer

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Abstract:

We investigate quasinormal modes (QNMs) and Hawking radiation of a Reissner-Nordström black hole surrounded by quintessence. The Wentzel-Kramers-Brillouin (WKB) method is used to evaluate the QNMs and the rate of radiation. The results show that due to the interaction of the quintessence with the background metric, the QNMs of the black hole damp more slowly when increasing the density of quintessence and the black hole radiates at slower rate.

Keywords: Hawking radiation; Quasinormal modes; WKB approximation

Document Type: Research Article

DOI: http://dx.doi.org/10.1007/s10509-011-0643-8

Affiliations: 1: Department of Physics, Higher Teachers’ Training College, University of Maroua, P.O. Box 55, Maroua, Cameroon, Email: mahsaleh2000@yahoo.fr 2: Ecole Nationale Supérieure Polytechnique, University of Yaounde I, P.O. Box 8390, Yaounde, Cameroon 3: Department of Physics, Faculty of Science, University of Yaounde I, P.O. Box 812, Yaounde, Cameroon

Publication date: June 1, 2011

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