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von Neumann entropy

type of entropy in quantum statistical mechanics
Class type of: entropy Q6961323

Facts

7 properties
Instance of
scientific theory
Subclass of
entropy[3]
Defining formula
S=-\operatorname{tr}\rho\log\rho
In defining formula
\rho, S, \log, \operatorname{tr}
Maintained by WikiProject
WikiProject Mathematics[4]
Named after
John von Neumann[2]
P14541
2YzBfk[5]
🏷️ Also known as
en von Neumann entropy ar إنترون فون نيومان de Von-Neumann-Entropie es entropía de von Neumann es entropia de von Neumann fa آنتروپی فون نویمان fr entropie de von Neumann he אנטרופיית פון נוימן ja フォン・ノイマンエントロピー pl entropia von Neumana pl entropia von Neumanna ru неймановская энтропия ru энтропия фон Неймана uk ентропія фон Неймана zh 冯纽曼熵 zh 冯诺依曼熵 zh-hant 馮諾依曼熵
🔖 Identifiers · 4
OpenAlex ID
C101973423
Encyclopedia of China (Third Edition) ID
126815
Freebase ID
/m/025sb_y
Microsoft Academic ID (discontinued)
101973423

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🔗 Connections
Instance of 1
scientific theory
Maintained by WikiProject 1
WikiProject Mathematics
Subclass of 1
entropy
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Summary

von Neumann entropy is a scientific theory[1].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). von Neumann entropy. Retrieved November 8, 2026, from https://4ort.xyz/entity/von-neumann-entropy
MLA “von Neumann entropy.” 4ort.xyz Knowledge Graph, 4ort.xyz, 8 Nov. 2026, https://4ort.xyz/entity/von-neumann-entropy.
BibTeX @misc{4ortxyz_von-neumann-entropy_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{von Neumann entropy}}, year = {2026}, url = {https://4ort.xyz/entity/von-neumann-entropy}, note = {Accessed: 2026-11-08}}
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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 17w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → 2YzBfk
    Aliases → —
    Named after → —
    Instance of → scientific theory
    + 5 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
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