Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1998-05-17
Physics
High Energy Physics
High Energy Physics - Theory
Corrected mistake in last reference. Work presented at SILAFAE'98, 8 pages. To be published in the proceedings of SILAFAE'98,
Scientific paper
10.1063/1.56623
In this work we study the dynamical generation of a fermion mass induced by a constant and uniform external magnetic field in an Abelian gauge model with a Yukawa term. We show that the Yukawa coupling not only enhances the dynamical generation of the mass, but it substantially decreases the magnetic field required for the mass to be generated at temperatures comparable to the electroweak critical temperature. These results indicate that if large enough primordial magnetic fields were present during the early universe evolution, the field-induced generation of fermion masses, which in turn corresponds to the generation of fermion bound states, may play an important role in the electroweak phase transition.
Ferrer Efrain J.
la Incera Vivian de
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