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Spacetime foam as a quantum thermal bath

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Garay Elizondo, Luis Javier (1998) Spacetime foam as a quantum thermal bath. Physical review letters, 80 (12). pp. 2508-2511. ISSN 0031-9007

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Official URL: http://dx.doi.org/10.1103/PhysRevLett.80.2508


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Abstract

An effective model for the spacetime foam is constructed in terms of nonlocal interactions in a classical background. In the weak coupling approximation, the evolution of the low-energy density matrix is determined by a master equation that predicts loss of quantum coherence. Moreover, spacetime foam can be described by a quantum thermal field that, apart from inducing loss of coherence, gives rise to effects such as gravitational Lamb and Stark shifts as well as quantum damping in the evolution of the low-energy observables.


Item Type:Article
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© 1998 The American Physical Society.
I am very grateful to G. A. Mena Marugán, P. F. González-Díaz, C. Barceló, C. Cabrillo, and J. I. Cirac for helpful discussions. I was supported by funds provided by DGICYT and MEC (Spain) under Contract Adjunct to the Project No. PB94–0107.

Uncontrolled Keywords:Action uncertainty principle; Mixed states; Black-holes; Pure states; Gravity; Evolution
Subjects:Sciences > Physics > Physics-Mathematical models
Sciences > Physics > Mathematical physics
ID Code:29978
Deposited On:11 May 2015 09:27
Last Modified:10 Dec 2018 15:10

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