Quantum Identities for the Action
classification
🪐 quant-ph
hep-th
keywords
actionfunctionalidentitiesquantumcorrelationsderivativesderiveehrenfest
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In this paper we derive various identities involving the {\it action} functional which enters the path-integral formulation of quantum mechanics. They provide some kind of generalisations of the Ehrenfest theorem giving correlations between powers of the action and its functional derivatives.
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