Answers are grounded in this paper and cite their sources.
Fermion masses resulting from dynamical breakdown of chiral symmetry in a renormalizable field theory are shown to have an essential singularity at vanishing coupling constant, just as does the energy gap in a superconductor.
No takes yet. Share an insight, caveat, or question.
Kenneth Lane (1974) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: