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Noncommutative information is revealed from Hawking radiation as tunneling

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Published 28 March 2011 Europhysics Letters Association
, , Citation Baocheng Zhang et al 2011 EPL 94 20002 DOI 10.1209/0295-5075/94/20002

0295-5075/94/2/20002

Abstract

We revisit the tunneling process from a Schwarzschild black hole in the noncommutative spacetime and obtain the nonthermal tunneling probability. In such nonthermal spectrum, the correlations are discovered, which can carry the information about the noncommutativity. Thus this enlightens a way to find the noncommutative information in the Hawking radiation. The entropy is also shown to be conserved in the whole radiation process, which implies that the unitarity is held even for the Hawking radiation from noncommutative black holes.

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10.1209/0295-5075/94/20002