Thermodynamic blocking in self-gravitating systems
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arXiv
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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866914151106871296 |
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| author | Deme, Barnabás Fouvry, Jean-Baptiste |
| author_facet | Deme, Barnabás Fouvry, Jean-Baptiste |
| contents | Building upon a thermodynamic formalism, we show that self-gravitating systems in hydrostatic equilibrium with a uniform density are maximal entropy states when submitted to perturbations which are slow on dynamical timescale. We coin this phenomenon "thermodynamic blocking", given its similarity with the more general "kinetic blocking". This result underlines the importance of the thermodynamic formalism which proves useful when kinetic equations break down. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_08318 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Thermodynamic blocking in self-gravitating systems Deme, Barnabás Fouvry, Jean-Baptiste Astrophysics of Galaxies Statistical Mechanics Building upon a thermodynamic formalism, we show that self-gravitating systems in hydrostatic equilibrium with a uniform density are maximal entropy states when submitted to perturbations which are slow on dynamical timescale. We coin this phenomenon "thermodynamic blocking", given its similarity with the more general "kinetic blocking". This result underlines the importance of the thermodynamic formalism which proves useful when kinetic equations break down. |
| title | Thermodynamic blocking in self-gravitating systems |
| topic | Astrophysics of Galaxies Statistical Mechanics |
| url | https://arxiv.org/abs/2511.08318 |