Residual gauge fixing in light-front QCD

Zhang Wei-Min Zhang; Avaroth Harindranath

doi:10.1016/0370-2693(93)90452-N

Residual gauge fixing in light-front QCD

Zhang Wei-Min Zhang, Avaroth Harindranath

Department of Physics

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

Abstract

Understanding the nontrivial features of light-front QCD is a central goal in current investigations of nonperturbative light-front field theory. We find that, with the choice of light-front gauge with antisymmetric boundary conditions for the field variables, the residual gauge freedom is fixed and the light-front QCD vacuum is trivial. The nontrivial structure in light-front QCD is determined by non-vanishing asymptotic physical (transverse) gauge fields at longitudinal infinity, which are responsible for nonzero topological winding number.

Original language	English
Pages (from-to)	223-228
Number of pages	6
Journal	Physics Letters B
Volume	314
Issue number	2
DOIs	https://doi.org/10.1016/0370-2693(93)90452-N
Publication status	Published - 1993 Sept 16

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

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10.1016/0370-2693(93)90452-N

Cite this

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AU - Harindranath, Avaroth

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N2 - Understanding the nontrivial features of light-front QCD is a central goal in current investigations of nonperturbative light-front field theory. We find that, with the choice of light-front gauge with antisymmetric boundary conditions for the field variables, the residual gauge freedom is fixed and the light-front QCD vacuum is trivial. The nontrivial structure in light-front QCD is determined by non-vanishing asymptotic physical (transverse) gauge fields at longitudinal infinity, which are responsible for nonzero topological winding number.

AB - Understanding the nontrivial features of light-front QCD is a central goal in current investigations of nonperturbative light-front field theory. We find that, with the choice of light-front gauge with antisymmetric boundary conditions for the field variables, the residual gauge freedom is fixed and the light-front QCD vacuum is trivial. The nontrivial structure in light-front QCD is determined by non-vanishing asymptotic physical (transverse) gauge fields at longitudinal infinity, which are responsible for nonzero topological winding number.

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Residual gauge fixing in light-front QCD

Abstract

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