U(1). The resulting Abelian effective theory is closely related to an earlier model proposed as the continuum limit of large-spin planar doped antiferromagnets, which lead to an unconventional scenario for two-dimensional parity-invariant superconductivity.. Types: journalArticle. Subjects: BREAKING, HIGH-TC SUPERCONDUCTIVITY, Gauge Symmetry, FIELD-THEORY, FERMIONS, Physics, Condensed Matter, Abelian Group, HUBBARD-MODEL, Effective Action, Superconductors, Degree of Freedom, 2+1 DIMENSIONS, QUANTUM ANTIFERROMAGNET, CORRELATED ELECTRONIC SYSTEMS, 2-DIMENSIONAL SUPERCONDUCTIVITY, LATTICE" />
Hidden non-Abelian gauge symmetries in doped planar antiferromagnets