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- Title
A precisely feasible gauged model of chiral boson with its BRST cohomological perspectives.
- Authors
Rahaman, Anisur
- Abstract
We find that Siegel type chiral boson with a parameter-dependent Lorentz non-covariant masslike term for the gauge fields to be equivalent to the chiral Schwinger model with one parameter class of Faddeevian anomaly if the model is described in terms of Floreanini–Jackiw type chiral boson. By invoking the Wess–Zunino field gauge-invariant reformulation is made. It has been shown that the gauge-invariant model has the same physical content as its gauge non-invariant ancestor had. The BRST invariant effective action corresponding to this model has also been constructed. All the nilpotent symmetries associated with the BRST symmetry along with the bosonic, ghost, and discrete symmetries have been systematically studied. We establish that the nilpotent charges corresponding to these symmetries resemble the algebra of the de Rham cohomological operators in differential geometry. In the environment of conserved charges associated with the models, we study the Hodge decomposition theorem on the compact manifold.
- Subjects
DIFFERENTIAL operators; BOSONS; DISCRETE symmetries; GAGING; DIFFERENTIAL geometry; NAMBU-Goldstone bosons; LORENTZ spaces
- Publication
European Physical Journal C -- Particles & Fields, 2022, Vol 82, Issue 8, p1
- ISSN
1434-6044
- Publication type
Article
- DOI
10.1140/epjc/s10052-022-10659-5