Hawking radiation of linear dilaton black holes

Details Hawking radiation of linear dilaton black holes Hawking radiation of linear dilaton black holes

2007-04-03

arxiv.org/abs/0704.0399v1

Phys.Lett.B651:54-57,2007

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

9 pages

Scientific paper

10.1016/j.physletb.2007.05.052

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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