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Meaning of von Neumann entropy | Babel Free

Noun CEFR C1
/vɔn ˈnoɪ.mən ˈɛn.tɹə.pi/

Definitions

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.

CEFR level

C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.

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