Hawking radiation of linear dilaton black holes |
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Authors: | G. Clé ment,J.C. Fabris,G.T. Marques |
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Affiliation: | 1. Laboratoire de Physique Théorique LAPTH (CNRS), B.P. 110, F-74941 Annecy-le-Vieux cedex, France;2. Departamento de Física, Universidade Federal do Espírito Santo, Vitória, 29060-900 Espírito Santo, Brazil |
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Abstract: | We compute exactly the semi-classical radiation spectrum for a class of non-asymptotically flat charged dilaton black holes, the so-called linear dilaton black holes. In the high frequency regime, the temperature for these black holes generically agrees with the surface gravity result. In the special case where the black hole is massless, we show that, although the surface gravity remains finite, there is no radiation, in agreement with the fact that massless objects cannot radiate. |
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Keywords: | 04.70.Dy |
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