Symmetries of generating functionals of Langevin processes with colored multiplicative noise
classification
❄️ cond-mat.stat-mech
cond-mat.soft
keywords
coloredfunctionalsgeneratinglangevinmultiplicativenoiseprocessesrelations
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We present a comprehensive study of the symmetries of the generating functionals of generic Langevin processes with multiplicative colored noise. We treat both Martin-Siggia-Rose-Janssen-deDominicis and supersymmetric formalisms. We summarize the relations between observables that they imply including fluctuation relations, fluctuation-dissipation theorems, and Schwinger-Dyson equations. Newtonian dynamics and their invariances follow in the vanishing friction limit.
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