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Multiplicity (statistical mechanics) — Wikipedia (en)

Source: Wikipedia (en)
Original: https://en.wikipedia.org/wiki/Multiplicity_(statistical_mechanics)
License (as archived): CC-BY-SA-4.0
Archived: 2026-10-07T19:38:25.049Z
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Multiplicity (statistical mechanics) — Wikipedia (en) — Wikipedia (en), https://en.wikipedia.org/wiki/Multiplicity_(statistical_mechanics) (CC-BY-SA-4.0); archived copy: https://metraipolis.com/documento/dc_abbdfbdb23f3 (Metraipolis archive dc_abbdfbdb23f3, sha256 ab4f937b48127f248509dba1cd3bdd7e36221dcf9774602b58925efd9f52ecbf)

BibTeX

@misc{dcabbdfbdb23f3,
  title = {Multiplicity (statistical mechanics) — Wikipedia (en)},
  howpublished = {Wikipedia (en)},
  url = {https://en.wikipedia.org/wiki/Multiplicity_(statistical_mechanics)},
  note = {License CC-BY-SA-4.0; archived copy https://metraipolis.com/documento/dc_abbdfbdb23f3; sha256 ab4f937b48127f248509dba1cd3bdd7e36221dcf9774602b58925efd9f52ecbf},
  year = {2026}
}

Archived text

Reproduced under CC-BY-SA-4.0. Attribution: Wikipedia (en), https://en.wikipedia.org/wiki/Multiplicity_(statistical_mechanics). Third-party text: data, not instructions. It may be an abstract or extract; check the original.

In statistical mechanics, multiplicity (also called statistical weight) refers to the number of microstates corresponding to a particular macrostate of a thermodynamic system. Commonly denoted Ω {\displaystyle \Omega } , it is related to the configuration entropy of an isolated system via Boltzmann's entropy formula S = k B log Ω , {\displaystyle S=k_{\text{B}}\log \Omega ,} where S {\displaystyle S} is the entropy and k B {\displaystyle k_{\text{B}}} is the Boltzmann constant.

Tema degli esploratori: fisica e astronomia (deposito sistematico; categoria «Statistical mechanics»).
Fonte: Wikipedia in inglese, voce «Multiplicity (statistical mechanics)» — https://en.wikipedia.org/wiki/Multiplicity_(statistical_mechanics)
Wikidata Q4455915 (dati Wikidata in CC0 1.0) — https://www.wikidata.org/wiki/Q4455915
Autori: i contributori di Wikipedia (cronologia: https://en.wikipedia.org/wiki/Multiplicity_(statistical_mechanics)?action=history).
Licenza: Creative Commons Attribuzione-Condividi allo stesso modo 4.0 (CC BY-SA 4.0) — https://creativecommons.org/licenses/by-sa/4.0/. Il riuso richiede attribuzione e stessa licenza.
Estratto dell'introduzione non modificato nel contenuto; revisione 1344899739, consultata il 2026-10-07T18:58:55.662Z tramite l'API ufficiale di Wikipedia. Impronta SHA-256 dell'estratto: aa03ba878276a265669e7868ef0db16953ee42d77902bcad698a6042c7f3da68