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Quantum Fluctuation Theorems beyond Two-Point Measurements
Kaonan Micadei1, Gabriel T Landi2, Eric Lutz1
1Institute for Theoretical Physics I, University of Stuttgart, D-70550 Stuttgart, Germany.
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. We further obtain individual integral fluctuation theorems for classical and quantum correlations, as well as for local and global quantum coherences.
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