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Quantum fluctuation theorems beyond two-point measurements (1909.12189v1)
Published 26 Sep 2019 in quant-ph and cond-mat.stat-mech
Abstract: We derive detailed and integral quantum fluctuation theorems for heat exchange in a quantum correlated bipartite thermal system using the framework of dynamic Bayesian networks. Contrary to the usual two-projective-measurement scheme that is known to destroy quantum features, these fluctuation relations fully capture quantum correlations and quantum coherence at arbitrary times.