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Extended double lattice BRST Curci-Ferrari mass and the neuberger problem

Abstract

We present Extended Double BRST on the lattice and extend the Neuberger problem to include the ghost/anti-ghost symmetric formulation of the non-linear covariant Curci-Ferrari (CF) gauges. We then show how a CF mass regulates the 0/0 indeterminate form of physical observables, as observed by Neuberger, and discuss the gauge-parameter and mass dependence of the model.M. Ghiotti, L. von Smekal, A.G. William

Similar works

This paper was published in Adelaide Research & Scholarship.

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