Journal
PHYSICAL REVIEW LETTERS
Volume 105, Issue 17, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.105.170402
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Funding
- DFG [LU1382/1-1]
- Cluster of Excellence Nanosystems Initiative Munich (NIM)
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We show that the nonequilibrium entropy production for a driven quantum system is larger than the Bures length, the geometric distance between its actual state and the corresponding equilibrium state. This universal lower bound generalizes the Clausius inequality to arbitrary nonequilibrium processes beyond linear response. We further derive a fundamental upper bound for the quantum entropy production rate and discuss its connection to the Bremermann-Bekenstein bound.
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