bn:01861777n
Noun Concept
Categories: Articles with short description, All Wikipedia articles written in American English, Quantum mechanical entropy, John von Neumann
EN
von Neumann entropy  quantum entropy
EN
In physics, the von Neumann entropy, named after John von Neumann, is an extension of the concept of Gibbs entropy from classical statistical mechanics to quantum statistical mechanics. Wikipedia
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EN
In physics, the von Neumann entropy, named after John von Neumann, is an extension of the concept of Gibbs entropy from classical statistical mechanics to quantum statistical mechanics. Wikipedia
Entropy in quantum statistical physics and quantum information science Wikipedia Disambiguation
Type of entropy in quantum statistical mechanics Wikidata
The entropy of a quantum state. If the state is expressed as a quantum density matrix ρ , then this entropy can be expressed mathematically as S = − tr ( ρ log ⁡ ρ ) where tr is the trace operator and the logarithm is natural. Wiktionary
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