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Short-distance contribution to the spectrum of Hawking radiation

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Short-distance contribution to the spectrum of Hawking radiation

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dc.contributor.author Agulló, Iván
dc.contributor.author Navarro Salas, José
dc.contributor.author Olmo Alba, Gonzalo
dc.contributor.author Parker, Leonard
dc.date.accessioned 2014-03-24T08:48:23Z
dc.date.available 2014-03-24T08:48:23Z
dc.date.issued 2007
dc.identifier.citation Agulló, I. Navarro Salas, José Olmo Alba, Gonzalo Parker, Leonard 2007 Short-distance contribution to the spectrum of Hawking radiation Physical Review D 76 4 044018-1 044018-16
dc.identifier.uri http://hdl.handle.net/10550/33663
dc.description.abstract The Hawking effect can be rederived in terms of two-point functions and in such a way that it makes it possible to estimate, within the conventional semiclassical theory, the contribution of ultrashort distances to the Planckian spectrum. For Schwarzschild black holes of three solar masses the analysis shows that Hawking radiation is very robust up to frequencies of 96 T_H or 270 T_H for bosons and fermions, respectively. For primordial black holes (with masses around 10^{15} g) these frequencies turn out to be of order 52T_H and 142 T_H. Only at these frequencies and above do we find that the contribution of Planck distances is of order of the total spectrum itself. Below this scale, the contribution of ultrashort distances to the spectrum is negligible. This suggests that only above these frequencies could an underlying quantum theory of gravity potentially predict significant deviations from Hawking's semiclassical result.
dc.relation.ispartof Physical Review D, 2007, vol. 76, num. 4, p. 044018-1-044018-16
dc.subject Física nuclear
dc.title Short-distance contribution to the spectrum of Hawking radiation
dc.type journal article es_ES
dc.date.updated 2014-03-24T08:48:23Z
dc.identifier.doi 10.1103/PhysRevD.76.044018
dc.identifier.idgrec 080932
dc.rights.accessRights open access es_ES
dc.identifier.url 10.1103/PhysRevD.76.044018

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