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02 November 2024
 
  » arxiv » arxiv.0704.0064

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Nilpotent Symmetry Invariance In Superfield Formalism: 1-Form (Non-)Abelian Gauge Theories
R. P. Malik ;
Date 1 Apr 2007
Subject hep-th (High Energy Physics - Theory)
AbstractWe capture the well-known off-shell as well as the on-shell nilpotent Becchi-Rouet-Stora-Tyutin (BRST) and anti-BRST symmetry transformations for the Lagrangian densities of the four (3 + 1)-dimensional (4D) 1-form (non-)Abelian gauge theories within the framework of the superfield formalism. In particular, we provide the geometrical interpretations for (i) the above nilpotent symmetry invariance(s), and (ii) the Lagrangian densities of the theories, within the framework of the superfield approach to BRST formalism. Some of the subtle points, connected with the 4D (non-)Abelian 1-form gauge theories, are clarified within the above superfield approach where the 4D ordinary gauge theories are considered on the (4, 2)-dimensional supermanifold parametrized by the four spacetime coordinates x^mu (with mu = 0, 1, 2, 3) and a pair of Grassmannian variables heta and ar heta. One of the key results of our present investigation is a great deal of simplification in the understanding of the nilpotent (anti-)BRST symmetry invariance(s) of the present 4D 1-form (non-)Abelian gauge theories.
Source arXiv, arxiv.0704.0064
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