By use of an effective Hamiltonian method in thermo field dynamics, nonequilibrium phenomena in two-level systems coupled with a reservoir are studied. It is explicitly demonstrated that the system approaches a canonical equilibrium state specified by the temperature of the reservoir and by the Lagrangian multipliers corresponding to the conservation laws preserved in the interaction between the reservoir and the system.

Reservoir effects in two-level models

ROMANO, Alfonso
1991

Abstract

By use of an effective Hamiltonian method in thermo field dynamics, nonequilibrium phenomena in two-level systems coupled with a reservoir are studied. It is explicitly demonstrated that the system approaches a canonical equilibrium state specified by the temperature of the reservoir and by the Lagrangian multipliers corresponding to the conservation laws preserved in the interaction between the reservoir and the system.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11386/4527062
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