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Título

Quantum time uncertainty in Schwarzschild–anti-de Sitter black holes

AutorGalán, Pablo; Garay, Luis Javier ; Mena Marugán, Guillermo A.
Palabras clave[PACS] Quantum gravity
[PACS] Foundations of quantum mechanics; measurement theory
[PACS] Lower dimensional and minisuperspace models in quantum gravity
[PACS] Quantum aspects of black holes, evaporation, thermodynamics
Fecha de publicación17-ago-2007
EditorAmerican Physical Society
CitaciónPhysical Review D Vol. 76,(4), id. 044014 (2007)
ResumenThe combined action of gravity and quantum mechanics gives rise to a minimum time uncertainty in the lowest order approximation of a perturbative scheme, in which quantum effects are regarded as corrections to the classical spacetime geometry. From the nonperturbative point of view, both gravity and quantum mechanics are treated on equal footing in a description that already contains all possible backreaction effects as those above in a nonlinear manner. In this paper, the existence or not of such minimum time uncertainty is analyzed in the context of Schwarzschild–anti-de Sitter black holes using the isolated horizon formalism. We show that from a perturbative point of view, a nonzero time uncertainty is generically present owing to the energy scale introduced by the cosmological constant, while in a quantization scheme that includes nonperturbatively the effects of that scale, an arbitrarily high time resolution can be reached.
Descripción10 pags. ; appendix
Versión del editorhttp://dx.doi.org/10.1103/PhysRevD.76.044014
URIhttp://hdl.handle.net/10261/12752
DOI10.1103/PhysRevD.76.044014
ISSN0556-2821
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