von Neumann entropy

短语

发音

/vɔn ˈnoɪ.mən ˈɛn.tɹə.pi/

释义与例句

n.
  1. 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.

来源：wiktionary