A general treatment of relaxation phenomena

AUTOR(ES)

Lin, S. H.

RESUMO

The singular perturbation method has been applied to solve the quantum mechanical Liouville equation for the relaxation phenomenon of the system in thermal contact with a heat bath. The master equation derived gives the proper expressions for both diagonal and off-diagonal elements of the density matrix and is capable of describing the time-dependent behavior of the system in the time range comparable with the reciprocal of the damping constants and the time range t → ∞ compared with the reciprocal of the damping constants.

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