Quantum Brownian motion in a general environment : exact master equation with nonlocal dissipation and colored noise

We use the influence functional path-integral method to derive an exact master equation for the quantum Brownian motion of a particle linearly coupled to a general environment (ohmic, subohmic, or supraohmic) at arbitrary temperature and apply it to study certain aspects of the loss of quantum coher...

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Bibliographic Details
Published in:Physical review. D, Particles and fields Particles and fields, 1992-04, Vol.45 (8), p.2843-2861
Main Authors: HU, B. L, PAZ, J. P, ZHANG, Y
Format: Article
Language:English
Subjects:
ANGULAR MOMENTUM
BROWNIAN MOVEMENT
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Classical and quantum physics: mechanics and fields
COSMOLOGY
COUPLING
DENSITY MATRIX
ELECTRONIC EQUIPMENT
Exact sciences and technology
FEYNMAN PATH INTEGRAL
FUNCTIONS
HARMONIC OSCILLATORS
INTEGRALS
MATRICES
MECHANICS
OSCILLATORS
PARTICLE PROPERTIES
Physics
QUANTUM MECHANICS
SPACE-TIME
SPECTRAL DENSITY
SPECTRAL FUNCTIONS 661100 > Classical & Quantum Mechanics-- (1992-)
SPIN
TIME DEPENDENCE
UNIVERSE
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Summary:We use the influence functional path-integral method to derive an exact master equation for the quantum Brownian motion of a particle linearly coupled to a general environment (ohmic, subohmic, or supraohmic) at arbitrary temperature and apply it to study certain aspects of the loss of quantum coherence.
ISSN:0556-2821
1089-4918
DOI:10.1103/PhysRevD.45.2843