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Название: Auxiliary Ghost Fields in Statistical Dynamics
Авторы: Munoz G., Burgett W.S.
Journal of Statistical Physics, Vol. 56, Nos. 1/2, 1989, p. 59-68.
The path integral formulation of statistical dynamics involves a functional determinant whose role within the theory has remained somewhat unclear. This has occasionally led to incorrect generalizations of the formalism to the case of multipticative random forces. We present a hidden symmetry of the theory and show how it can be used to clarify these issues. Important further applications are also pointed out.