Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2004-09-07
Phys.Rev.D70:125001,2004
Physics
High Energy Physics
High Energy Physics - Theory
revtex 13pages, slightly expanded discussion, version to be published in Physical Review D
Scientific paper
10.1103/PhysRevD.70.125001
In this paper we study the question of residual gauge fixing in the path integral approach for a general class of axial-type gauges including the light-cone gauge. We show that the two cases -- axial-type gauges and the light-cone gauge -- lead to very different structures for the explicit forms of the propagator. In the case of the axial-type gauges, fixing the residual symmetry determines the propagator of the theory completely. On the other hand, in the light-cone gauge there is still a prescription dependence even after fixing the residual gauge symmetry, which is related to the existence of an underlying global symmetry.
Das Ashok
Frenkel Josif
Perez Silvana
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