Quantum Brownian motion: The functional integral approach
H Grabert, P Schramm, GL Ingold - Physics reports, 1988 - Elsevier
H Grabert, P Schramm, GL Ingold
Physics reports, 1988•ElsevierThe quantum mechanical dynamics of a particle coupled to a heat bath is treated by
functional integral methods and a generalization of the Feynman-Vernon influence
functional is derived. The extended theory describes the time evolution of nonfactorizing
initial states and of equilibrium correlation functions. The theory is illuminated through
exactly solvable models.
functional integral methods and a generalization of the Feynman-Vernon influence
functional is derived. The extended theory describes the time evolution of nonfactorizing
initial states and of equilibrium correlation functions. The theory is illuminated through
exactly solvable models.
Abstract
The quantum mechanical dynamics of a particle coupled to a heat bath is treated by functional integral methods and a generalization of the Feynman-Vernon influence functional is derived. The extended theory describes the time evolution of nonfactorizing initial states and of equilibrium correlation functions. The theory is illuminated through exactly solvable models.
Elsevier
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