Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2009-10-10
J.Phys.G37:015001,2010
Physics
High Energy Physics
High Energy Physics - Phenomenology
16 pages, 6 figures, accepted in J. Phys. G
Scientific paper
10.1088/0954-3899/37/1/015001
Employing the Schwinger's proper-time method, we calculate the $<\bar{\psi} \psi>$-condensate for massive Dirac fermions of charge $e$ 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 $\sqrt{eB}$ and temperature $T$. 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.
Ayala Alejandro
Bashir Adnan
Raya Alfredo
Sanchez Angel
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