Center Dominance Recovered: Direct Laplacian Center Gauge
M. Faber, J. Greensite, S. Olejnik
TL;DR
The paper presents a new gauge fixing method called direct Laplacian center gauge that overcomes Gribov copy issues in maximal center gauge, restoring center dominance in lattice gauge theory.
Contribution
It introduces the direct Laplacian center gauge, combining Laplacian adjoint Landau gauge fixing with overrelaxation to improve center dominance recovery.
Findings
Center dominance is restored with the new gauge.
The method overcomes Gribov copy limitations.
It provides a more reliable gauge fixing procedure.
Abstract
We introduce a variation of direct maximal center gauge fixing: the "direct Laplacian" center gauge. The new procedure consists of first fixing to the Laplacian adjoint Landau gauge, followed by overrelaxation to the nearby Gribov copy of the direct maximal center gauge. Certain shortcomings of maximal center gauge, associated with Gribov copies, are overcome in the new gauge, in particular center dominance is recovered.
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