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Decoherence and dissipation of an open quantum system with a squeezed and frequency-modulated heat bath
Published in
Volume: 337
Issue: 1-2
Pages: 67 - 80
The functional integral formalism is used to provide a unified treatment of the effect of squeezing of the bath and frequency modulation of the system-bath coupling on the decoherence and dissipation properties of an open quantum system. The system chosen is a standard one consisting of a particle in a harmonic oscillator potential interacting with a bath of harmonic oscillators by a coupling of the position-position kind. Using an Ohmic bath and the high-temperature limit, the coefficients of the master equation describing dissipation and decoherence are obtained and analyzed. © 2004 Elsevier B.V. All rights reserved.
About the journal
JournalPhysica A: Statistical Mechanics and its Applications