Dissipation, noise and vacuum decay in quantum field theory

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RECERCAT Home > Universitat de Barcelona > Física de la Matèria Condensada > Articles publicats en revistes (Física de la Matèria Condensada) > View document

To access the full text documents, please follow this link: http://hdl.handle.net/2445/13192

dc.contributor	Universitat de Barcelona
dc.contributor.author	Calzetta, Esteban A., 1958-
dc.contributor.author	Roura, Albert
dc.contributor.author	Verdaguer Oms, Enric, 1950-
dc.date	2010-06-25T09:10:26Z
dc.date	2010-06-25T09:10:26Z
dc.date	2002
dc.identifier.citation	0031-9007
dc.identifier.citation	193280
dc.identifier.uri	http://hdl.handle.net/2445/13192
dc.format	4 p.
dc.format	application/pdf
dc.language.iso	eng
dc.publisher	American Physical Society
dc.relation	Reproducció digital del document proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevLett.88.010403
dc.relation	Physical Review Letters, 2002, vol. 88, núm. 1, p. 010403-1-010403-4
dc.relation	http://dx.doi.org/10.1103/PhysRevLett.88.010403
dc.rights	(c) American Physical Society, 2002
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Teoria quàntica de camps
dc.subject	Buit
dc.subject	Efecte túnel
dc.subject	Sistemes oberts
dc.subject	Quantum field theory
dc.subject	Vacuum
dc.subject	Tunneling (Physics)
dc.subject	Open systems (Physics)
dc.title	Dissipation, noise and vacuum decay in quantum field theory
dc.type	info:eu-repo/semantics/article
dc.type	info:eu-repo/semantics/publishedVersion
dc.description.abstract	We study the process of vacuum decay in quantum field theory focusing on the stochastic aspects of the interaction between long- and short-wavelength modes. This interaction results in a diffusive behavior of the reduced Wigner function describing the state of long-wavelength modes, and thereby to a finite activation rate even at zero temperature. This effect can make a substantial contribution to the total decay rate.

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