Relaxation dominated cosmological expansion
The behavior near the singularity of an isotropic, homogeneous cosmological model with a viscous fluid source is investigated. This turns out to be a relaxation dominated regime. Full extended irreversible thermodynamics is used, and a comparison with results of the truncated theory is made. New sin...
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| Acceso en línea: | http://hdl.handle.net/20.500.12110/paper_03759601_v212_n6_p320_Chimento |
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todo:paper_03759601_v212_n6_p320_Chimento2023-10-03T15:30:59Z Relaxation dominated cosmological expansion Chimento, L.P. Jakubi, A.S. The behavior near the singularity of an isotropic, homogeneous cosmological model with a viscous fluid source is investigated. This turns out to be a relaxation dominated regime. Full extended irreversible thermodynamics is used, and a comparison with results of the truncated theory is made. New singular behaviors are found and it is shown that a relaxation dominated inflationary epoch may exist for fluids with a small heat capacity. Fil:Chimento, L.P. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Jakubi, A.S. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_03759601_v212_n6_p320_Chimento |
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Universidad de Buenos Aires |
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I-28 |
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R-134 |
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| description |
The behavior near the singularity of an isotropic, homogeneous cosmological model with a viscous fluid source is investigated. This turns out to be a relaxation dominated regime. Full extended irreversible thermodynamics is used, and a comparison with results of the truncated theory is made. New singular behaviors are found and it is shown that a relaxation dominated inflationary epoch may exist for fluids with a small heat capacity. |
| format |
JOUR |
| author |
Chimento, L.P. Jakubi, A.S. |
| spellingShingle |
Chimento, L.P. Jakubi, A.S. Relaxation dominated cosmological expansion |
| author_facet |
Chimento, L.P. Jakubi, A.S. |
| author_sort |
Chimento, L.P. |
| title |
Relaxation dominated cosmological expansion |
| title_short |
Relaxation dominated cosmological expansion |
| title_full |
Relaxation dominated cosmological expansion |
| title_fullStr |
Relaxation dominated cosmological expansion |
| title_full_unstemmed |
Relaxation dominated cosmological expansion |
| title_sort |
relaxation dominated cosmological expansion |
| url |
http://hdl.handle.net/20.500.12110/paper_03759601_v212_n6_p320_Chimento |
| work_keys_str_mv |
AT chimentolp relaxationdominatedcosmologicalexpansion AT jakubias relaxationdominatedcosmologicalexpansion |
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1782026940138389504 |