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arXiv · 1705.00452

Augmented Superfield Approach to Gauge-invariant Massive 2-Form Theory

R. Kumar·S. Krishna
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Abstract

We discuss the complete sets of the off-shell nilpotent (i.e. s^2_{(a)b} = 0) and absolutely anticommuting (i.e. s_b s_{ab} + s_{ab} s_b = 0) Becchi-Rouet-Stora-Tyutin (BRST) (s_b) and anti-BRST (s_{ab}) symmetries for the (3+1)-dimensional (4D) gauge-invariant massive 2-form theory within the framework of augmented superfield approach to BRST formalism. In this formalism, we obtain the coupled (but equivalent) Lagrangian densities which respect both BRST and anti-BRST symmetries on the constrained hypersurface defined by the Curci-Ferrari type conditions. The absolute anticommutativity property of the (anti-)BRST transformations (and corresponding generators) is ensured by the existence of the Curci-Ferrari type conditions which emerge very naturally in this formalism. Furthermore, the gauge-invariant restriction plays a decisive role in deriving the proper (anti-)BRST transformations for the St{ü}ckelberg-like vector field.

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R. Kumar, S. Krishna. 2017-06-09. Augmented Superfield Approach to Gauge-invariant Massive 2-Form Theory. https://doi.org/10.1140/epjc%2Fs10052-017-4954-y

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