HomeServicesBlogDictionariesContactSpanish Course
Home › Dictionary › English › von Neumann entropy
← Back to search

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.
See all C1 English words →

See also

von Neumann machine von Neumann neighborhood von Neumann probe von Neumann stability analysis von Neumann's inequality von Recklinghausen disease

Learn this word in context

See von Neumann entropy used in real conversations inside our free language course.

Start Free Course

Know this word better than we do? Language is a living thing — help us keep it growing. Collaborate with Babel Free