Complementarity and Chiral Fermions in SU(2) gauge Theories

Details Complementarity and Chiral Fermions in SU(2) gauge Theories Complementarity and Chiral Fermions in SU(2) gauge Theories

1993-02-08

arxiv.org/abs/hep-ph/9302235v1

Phys.Rev. D48 (1993) 4458-4462

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, HUTP-92-A047, 2 figures not included

Scientific paper

10.1103/PhysRevD.48.4458

Complementarity - the absence of a phase boundary separating the Higgs and confinement phases of a gauge theory - can be violated by the addition of chiral fermions. We utilize chiral symmetry violating fermion correlators such as $ \langle \bps \psi \rangle $ as order parameters to investigate this issue. Using inequalities similar to those of Vafa-Witten and Weingarten, we show that SU(2) gauge theories with Higgs and fermion fields in the fundamental representation exhibit chiral symmetry breaking in the confined phase and therefore do {\it not} lead to massless composite fermions. We discuss the implications for the Abbott-Farhi strongly interacting standard model.

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