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Título

Insensitivity of Hawking radiation to an invariant Planck-scale cutoff

AutorAgulló, Iván ; Navarro-Salas, José ; Olmo, Gonzalo J. ; Parker, Leonard
Fecha de publicación18-ago-2009
EditorAmerican Physical Society
CitaciónPhysical Review - Section D - Particles and Fields 80 (4): 047503 (2009)
ResumenA disturbing aspect of Hawking's derivation of black hole radiance is the need to invoke extreme conditions for the quantum field that originates the emitted quanta. It is widely argued that the derivation requires the validity of the conventional relativistic field theory to arbitrarily high, trans-Planckian scales. We stress in this note that this is not necessarily the case if the question is presented in a covariant way. We point out that Hawking radiation is immediately robust against an invariant Planck-scale cutoff. This important feature of Hawking radiation is relevant for a quantum gravity theory that preserves, in some way, the Lorentz symmetry.
Versión del editorhttp://dx.doi.org/10.1103/PhysRevD.80.047503
URIhttp://hdl.handle.net/10261/20001
DOI10.1103/PhysRevD.80.047503
ISSN1550-7998
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