Spontaneous Chiral Symmetry Breaking Beyond BCS

Details Spontaneous Chiral Symmetry Breaking Beyond BCS Spontaneous Chiral Symmetry Breaking Beyond BCS

1997-03-04

arxiv.org/abs/hep-ph/9703229v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages in latex revtex, 0 Postscript figures

Scientific paper

At the BCS level of chiral symmetry breaking, the mass gap equation for quark-antiquark condensation only uses the kernel of the Bethe-Salpeter equation. We introduce coupled channels with ladder mesons in the mass gap equation. Consistency is insured by the Ward Identity for axial currents, and the $\pi$ remains a Goldstone boson in the chiral limit. We find that bare mesons with confined quarks do not contribute to the mass gap equation, and estimate that the contribution of full mesons may be large.

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