On the Gibbs paradox

What does indistinguishability really mean?

Research output: Contribution to journalLetter

10 Citations (Scopus)

Abstract

The Gibbs paradox concerns the entropy of mixing of ideal gases: although the entropy change of mixing samples of different gases is unequal to the entropy change of mixing samples of the same gas, it is not clear within the framework of classical thermodynamics how the identity of the particles effects the analysis. An explicit examination of the concept of indistinguishability can clarify some of the implications of the quantum-mechanical resolution of the Gibbs paradox.

Original languageEnglish (US)
Pages (from-to)L111-L114
JournalJournal of Physics A: Mathematical and General
Volume13
Issue number4
DOIs
StatePublished - Apr 1 1980

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paradoxes
Paradox
Entropy
entropy
Gases
Ideal Gas
ideal gas
Unequal
gases
Thermodynamics
examination
thermodynamics
Gas

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Mathematical Physics
  • Physics and Astronomy(all)

Cite this

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title = "On the Gibbs paradox: What does indistinguishability really mean?",
abstract = "The Gibbs paradox concerns the entropy of mixing of ideal gases: although the entropy change of mixing samples of different gases is unequal to the entropy change of mixing samples of the same gas, it is not clear within the framework of classical thermodynamics how the identity of the particles effects the analysis. An explicit examination of the concept of indistinguishability can clarify some of the implications of the quantum-mechanical resolution of the Gibbs paradox.",
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}

On the Gibbs paradox : What does indistinguishability really mean? / Lesk, Arthur.

In: Journal of Physics A: Mathematical and General, Vol. 13, No. 4, 01.04.1980, p. L111-L114.

Research output: Contribution to journalLetter

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AB - The Gibbs paradox concerns the entropy of mixing of ideal gases: although the entropy change of mixing samples of different gases is unequal to the entropy change of mixing samples of the same gas, it is not clear within the framework of classical thermodynamics how the identity of the particles effects the analysis. An explicit examination of the concept of indistinguishability can clarify some of the implications of the quantum-mechanical resolution of the Gibbs paradox.

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