Classical Resolution of the Gibbs Paradox from the Equal Probability Principle: An Informational Perspective
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arXiv
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| Format: | Preprint |
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2026
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| _version_ | 1866918325825568768 |
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| author | Zhang, Zheng |
| author_facet | Zhang, Zheng |
| contents | The Gibbs paradox is a conventional paradox in classical statistical mechanics, typically resolved by invoking quantum indistinguishability through the 1/N! correction. In this letter, we present a resolution within classical ensemble theory, which relies solely on the equal probability principle and does not invoke the 1/N! correction. Our resolution can be naturally interpretated from a purely informational perspective, where the Gibbs entropy is explicitly regarded as the Shannon entropy, quantifying ignorance rather than disorder. From this informational perspective, we also clarify the connection between information and extractable work in the gas mixing processes. Our work opens a new avenue to reconsider the role of information in statistical mechanics. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2602_06505 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Classical Resolution of the Gibbs Paradox from the Equal Probability Principle: An Informational Perspective Zhang, Zheng Statistical Mechanics The Gibbs paradox is a conventional paradox in classical statistical mechanics, typically resolved by invoking quantum indistinguishability through the 1/N! correction. In this letter, we present a resolution within classical ensemble theory, which relies solely on the equal probability principle and does not invoke the 1/N! correction. Our resolution can be naturally interpretated from a purely informational perspective, where the Gibbs entropy is explicitly regarded as the Shannon entropy, quantifying ignorance rather than disorder. From this informational perspective, we also clarify the connection between information and extractable work in the gas mixing processes. Our work opens a new avenue to reconsider the role of information in statistical mechanics. |
| title | Classical Resolution of the Gibbs Paradox from the Equal Probability Principle: An Informational Perspective |
| topic | Statistical Mechanics |
| url | https://arxiv.org/abs/2602.06505 |