A simplified characteristic functions of quantum heat
classification
❄️ cond-mat.stat-mech
quant-ph
keywords
quantumcharacteristicfunctionheatsimplifiedactionbosonicchanges
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This paper presents a simplified structure of the characteristic function of the distribution of energy changes in a bosonic environment interacting linearly with a quantum system. This characteristic function of quantum heat can be expressed using the same functionals (Feynman-Vernon action) as for the quantum state, with only the cross-terms in the double path integral shifted in time.
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