Chiral Symmetry Breaking in Abelian-Projected SU(2) Lattice Gauge Theory

Details Chiral Symmetry Breaking in Abelian-Projected SU(2) Lattice Gauge Theory Chiral Symmetry Breaking in Abelian-Projected SU(2) Lattice Gauge Theory

1995-03-08

arxiv.org/abs/hep-lat/9503007v1

Phys.Rev. D51 (1995) 6411-6416

Physics

High Energy Physics

High Energy Physics - Lattice

16 pages plus 7 figures in 2 postscript files (uuencoded)

Scientific paper

10.1103/PhysRevD.51.6411

Chiral symmetry breaking parameters are calculated in quenched SU(2) gauge theory and with Abelian gauge fields projected in maximal Abelian gauge and in field strength gauge. Maximal Abelian gauge projected fields lead to chiral condensate values which are quite similar to those of the full nonabelian theory. Pseudoscalar and vector meson correlators are calculated and found to be reproduced by the use of maximal Abelian gauge fields for small quark masses. In field-strength gauge, Abelian-projected fields give a chiral condensate which closely resembles the results of strongly coupled ($\beta<1$) gauge theory: the chiral condensate is insensitive to $\beta$ and quark mass and hence violates scaling badly.

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