| Título: | Shear and bulk viscosities of a photon gas at low temperature |
| Autores: | Llanes Estrada, Felipe José ; Dobado González, Antonio ; Torres Rincón, Juan M. |
| Tipo de documento: | texto impreso |
| Editorial: | American Physical Society, 2013-09-12 |
| Dimensiones: | application/pdf |
| Nota general: | info:eu-repo/semantics/openAccess |
| Idiomas: | |
| Palabras clave: | Estado = Publicado , Materia = Ciencias: Física , Tipo = Artículo |
| Resumen: | We explore the viscosities of a photon gas by means of the Euler-Heisenberg effective theory and quantum electrodynamics at zero electron chemical potential. We find parametric estimates that show a very large shear viscosity and an extremely small bulk viscosity (reflecting the very weak coupling simultaneously with a very approximate dilatation invariance). The system is of some interest because it exemplifies very neatly the influence of the breaking of scale invariance on the bulk viscosity. |
| En línea: | https://eprints.ucm.es/id/eprint/23583/1/Llanes-Estrada_FJ77libre.pdf |
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