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Proof of the strong subadditivity of quantum-mechanical entropy

Journal of Mathematical Physics · 1973 · Vol. 14(12) · pp. 1938–1941
Élliott H. LiebMary Beth Ruskai

Abstract

We prove several theorems about quantum-mechanical entropy, in particular, that it is strongly subadditive.

Advanced Thermodynamics and Statistical MechanicsStatistical Mechanics and EntropySubadditivityQuantumMathematicsGeneralized relative entropyQuantum relative entropyEntropy (arrow of time)Quantum discordStatistical physicsTheoretical physicsQuantum mechanics
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