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Effect of Bare Mass on the Hosotani Mechanism

Kazunori Takenaga
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Abstract

It is pointed out that the existence of bare mass terms for matter fields changes gauge symmetry patterns through the Hosotani mechanism. As a demonstration, we study an SU(2) gauge model with massive adjoint fermions defined on $M^4\otimes S^1$. It turns out that the vacuum structure changes at certain critical values of $mL$, where $m~(L)$ stands for the bare mass (the circumference of $S^1$). The gauge symmetry breaking patterns are different from models with massless adjoint fermions. We also consider a supersymmmetric SU(2) gauge model with adjoint hypermultiplets, in which the supersymmetry is broken by bare mass terms for the gaugino and squark fields instead of the Scherk-Schwarz mechanism.

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Kazunori Takenaga. 2003-08-01. Effect of Bare Mass on the Hosotani Mechanism. https://doi.org/10.1016/j.physletb.2003.07.062

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