Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/99707
Type: Artigo de periódico
Title: Dissipative Quantum Systems Modeled By A Two-level-reservoir Coupling
Author: Caldeira A.O.
Castro Neto A.H.
Oliveira De Carvalho T.
Abstract: The coupling between a quantum dynamical system and a two-level-system reservoir is analyzed within the framework of the Feynman-Vernon theory. We stress the differences between this reservoir and the well-known bath of oscillators and show that, in order to obtain the Langevin equation for the system of interest in the high-temperature regime, we have to choose a spectral distribution function J(ω) that is finite for ω=0. © 1993 The American Physical Society.
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Rights: aberto
Identifier DOI: 10.1103/PhysRevB.48.13974
Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-0006211559&partnerID=40&md5=206e5954b58ea40175b6ffb416acc618
Date Issue: 1993
Appears in Collections:Unicamp - Artigos e Outros Documentos

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