Journal
INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS
Volume 48, Issue 12, Pages 3517-3525Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10773-009-0156-1
Keywords
Entropy; Linear dilaton black holes; Tunneling effect; Thin film brick-wall model
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Using the Damour-Ruffini-Sannan, the Parikh-Wilczek and the thin film brick-wall model, we investigate the Hawking radiation of uncharged massive particles from 4-dimensional linear dilaton black holes, which are the solutions to Einstein-Maxwell-Dilaton, Einstein-Yang-Mills-Dilaton and Einstein-Yang-Mills-Born-Infeld-Dilaton theories. Our results show that the tunneling rate is related to the change of Bekenstein-Hawking entropy. Contrary to the many studies in the literature, here the emission spectrum is precisely thermal. This implies that the derived emission spectrum is not consistent with the unitarity of the quantum theory, which would possibly lead to the information loss.
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