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Electromagnetic fields in a thermal background
The one-loop effective action for a slowly varying electromagnetic field is computed at finite temperature and density using a real-time formalism. Some earlier errors in the literature are corrected. The effective coupling constant, defined from a purely electric weak-field expansion, behaves at hi...
| Autores principales: | , |
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| Lenguaje: | eng |
| Publicado: |
1994
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/0370-2693(95)00124-4 https://dx.doi.org/10.1016/0370-2693(96)00341-3 http://cds.cern.ch/record/261955 |