Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
1996-08-22
Phys.Lett. B399 (1997) 148-155
Physics
High Energy Physics
High Energy Physics - Lattice
13 pages, Latex, improved presentation, no change in results
Scientific paper
10.1016/S0370-2693(97)00277-3
We present a lattice gauge-fixing action $S_{gf}$ with the following properties: (a) $S_{gf}$ is proportional to the trace of $(\sum_\mu \partial_\mu A_\mu)^2$, plus irrelevant terms of dimension six and higher; (b) $S_{gf}$ has a unique absolute minimum at $U_{x,\mu}=I$. Noting that the gauge-fixed action is not BRST invariant on the lattice, we discuss some important aspects of the phase diagram.
Golterman Maarten
Shamir Yigal
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