Field mixing in a thermal medium: a quantum master equation approach
Abstract We studied the nonequilibrium dynamics of the indirect mixing of two (pseudo-)scalar fields induced by their couplings to common decay channels in a medium. The effective non-Markovian quantum master equation (QME) for the two fields’ reduced density matrix is derived to leading order in th...
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| Formato: | Artigo |
| Idioma: | Inglês |
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SpringerOpen
2025-06-01
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| Series: | Journal of High Energy Physics |
| Assuntos: | |
| Acceso en liña: | https://doi.org/10.1007/JHEP06(2025)216 |
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