Lorentz gauge and Gribov ambiguity in the compact lattice U(1) theory

The Gribov ambiguity problem is studied for compact U(1) lattice theory within the Lorentz gauge. In the Coulomb phase, it is shown that apart from double Dirac sheets Gribov copies originate mainly from zero-momentum modes of the gauge fields. The removal of the zero-momentum modes is necessary for...

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Bibliographic Details
Published inPhysics letters. B Vol. 458; no. 1; pp. 102 - 108
Main Authors Bogolubsky, I.L., Mitrjushkin, V.K., Müller–Preussker, M., Peter, P.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.07.1999
Subjects
Dirac sheets
Gauge fixing
Gribov problem
Lattice gauge theory
Zero-momentum modes
11.15.Ha
12.38.Gc
Gribov problem
Dirac sheets
Gauge fixing
Lattice gauge theory
Zero-momentum modes
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Summary:The Gribov ambiguity problem is studied for compact U(1) lattice theory within the Lorentz gauge. In the Coulomb phase, it is shown that apart from double Dirac sheets Gribov copies originate mainly from zero-momentum modes of the gauge fields. The removal of the zero-momentum modes is necessary for reaching the absolute maximum of the Lorentz gauge functional.
ISSN:0370-2693
1873-2445
DOI:10.1016/S0370-2693(99)00575-4