Universidad Complutense de Madrid
E-Prints Complutense

Thermal properties of spacetime foam

Impacto

Downloads

Downloads per month over past year

Garay Elizondo, Luis Javier (1998) Thermal properties of spacetime foam. Physical review D, 58 (12). ISSN 0556-2821

[img]
Preview
PDF
217kB

Official URL: http://dx.doi.org/10.1103/PhysRevD.58.124015




Abstract

Spacetime foam can be modeled in terms of nonlocal effective interactions in a classical nonfluctuating background. Then, the density matrix for the low-energy fields evolves, in the weak-coupling approximation, according to a master equation that contains a diffusion term. Furthermore, it is argued that spacetime foam behaves as 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. These effects can be, at least in principle, experimentally tested. [S0556-2821(98)04524-X].


Item Type:Article
Additional Information:

© 1998 The American Physical Society.
I am very grateful to G. A. Mena Marugán, P. F. González-Díaz, C. Barceló, J. M. aya, I. L. Egusquiza, 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:Quantum-gravity; Mixed states; Pure states; Black-holes; Evolution; Coherence; Mechanics; Wormholes
Subjects:Sciences > Physics > Physics-Mathematical models
Sciences > Physics > Mathematical physics
ID Code:29937
Deposited On:21 May 2015 08:00
Last Modified:10 Dec 2018 15:10

Origin of downloads

Repository Staff Only: item control page