Thermodynamics of the universes admitting isotropic radiation
Fuente:
arXiv
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| Autores principales: | , , |
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| Formato: | Preprint |
| Publicado: |
2024
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| Materias: | |
| Acceso en línea: | |
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| _version_ | 1866912013404340224 |
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| author | Mengual, Salvador Ferrando, Joan Josep Sáez, Juan Antonio |
| author_facet | Mengual, Salvador Ferrando, Joan Josep Sáez, Juan Antonio |
| contents | The thermodynamic interpretation of the Stephani Universes is studied in detail. The general expression of the speed of sound and of the thermodynamic schemes associated with a thermodynamic solution is obtained. The constraints imposed on the solutions by considering some significant physical properties are analyzed. We focus on the models where the cosmological observer measures isotropic radiation. We consider some examples, and a solution that models an ultrarelativistic gas is analyzed in detail. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2409_01852 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Thermodynamics of the universes admitting isotropic radiation Mengual, Salvador Ferrando, Joan Josep Sáez, Juan Antonio General Relativity and Quantum Cosmology The thermodynamic interpretation of the Stephani Universes is studied in detail. The general expression of the speed of sound and of the thermodynamic schemes associated with a thermodynamic solution is obtained. The constraints imposed on the solutions by considering some significant physical properties are analyzed. We focus on the models where the cosmological observer measures isotropic radiation. We consider some examples, and a solution that models an ultrarelativistic gas is analyzed in detail. |
| title | Thermodynamics of the universes admitting isotropic radiation |
| topic | General Relativity and Quantum Cosmology |
| url | https://arxiv.org/abs/2409.01852 |