New tests of the gauge-fixing approach to lattice chiral gauge theories

Details New tests of the gauge-fixing approach to lattice chiral gauge theories New tests of the gauge-fixing approach to lattice chiral gauge theories

1999-09-14

arxiv.org/abs/hep-lat/9909114v1

Nucl.Phys.Proc.Suppl. 83 (2000) 603-608

Physics

High Energy Physics

High Energy Physics - Lattice

6 pages, Latex, 4 figures, LATTICE99 (chiral gauge theories)

Scientific paper

We report on recent progress with the gauge-fixing approach to lattice chiral gauge theories. The bosonic sector of the gauge-fixing approach is studied with fully dynamical U(1) gauge fields. We demonstrate that it is important to formulate the Lorentz gauge-fixing action such that the dense set of lattice Gribov copies is removed, and the gauge-fixing action has a unique absolute minimum. We then show that the spectrum in the continuum limit contains only the desired massless photon, as expected.

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