von Neumann entropy

名词 n.
中文释义

英文释义

名词 n.
  1. 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.

词源

Named after John von Neumann.
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