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Departamento de Gravitación y Teoría de CamposSeminarios 2010 |
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Instituto de Ciencias Nucleares, UNAM |
Jueves 13 de Mayo, a las 17:30 hrs en el Auditorio Principal del ICN
Alfredo Raya (UMSNH, Morelia)
Fermion condensates in external magnetic fields
Employing Schwinger's proper-time method, we calculate the fermion condensate for massive charged fermions interacting with a uniform magnetic field in a heat bath. We present general results for arbitrary hierarchy of the energy scales involved, namely the fermion mass m, the magnetic field strength and temperature. Moreover, we study particular regimes in detail and reproduce some of the results calculated or anticipated earlier in the literature. We also discuss possible applications of our findings. |