How To Fix Non-Perturbatively A Parameter Dependent Covariant Gauge On The Lattice
L. Giusti, M. L. Paciello, S. Petrarca, B. Taglienti
Abstract
We describe how to overcome some problems that usually prevent from obtaining an efficient algorithm to fix a generic covariant gauge on the lattice. This gauge is the lattice equivalent of the generic gauge usually adopted in perturbative calculations. It depends on a parameter whose value can be varied in order to check the gauge dependence of measured matrix elements.
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