The Chiral Extension of Lattice QCD

Details The Chiral Extension of Lattice QCD The Chiral Extension of Lattice QCD

1995-01-21

arxiv.org/abs/hep-lat/9501026v1

Nucl.Phys.Proc.Suppl. 42 (1995) 42-48

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages, LATTICE 94 talk by R. Brower: Latex file with 2 postscript figures for encapsulation

Scientific paper

10.1016/0920-5632(95)00185-C

The chiral extension of Quantum Chromodynamics (XQCD) adds to the standard lattice action explicit pseudoscalar meson fields for the chiral condensates. With this action, it is feasible to do simulations at the chiral limit with zero mass Goldstone modes. We review the arguments for why this is expected to be in the same universality class as the traditional action. We present preliminary results on convergence of XQCD for naive fermions and on the methodology for introducing counter terms to restore chiral symmetry for Wilson fermions.

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