Abstract
A gauged nonlinear sigma model in one-space one-time dimension is considered in the light-front frame. The theory is seen to possess a local vector gauge symmetry. The light-front Hamiltonian and BRST formulations of this theory are investigated under some specific light-cone gauges.
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Kulshreshtha, U. Gauged Nonlinear Sigma Model in Light-Front Frame: Hamiltonian and BRST Formulations. International Journal of Theoretical Physics 40, 1561–1580 (2001). https://doi.org/10.1023/A:1011637920573
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DOI: https://doi.org/10.1023/A:1011637920573