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Paper
Stochastic quantization of a system with quenched random fields
Abstract
A quantum system with quenched random fields linearly coupled to the order parameter is considered in the framework of stochastic quantization. By this method we give, in the large-n limit, the unified treatment of static and dynamic properties at any temperature. We find that the random fields, contrary to what happens in the static case, do not affect the quantum-classical dynamical crossover. © 1984 The American Physical Society.