Supersymmetric non-Abelian non-commutative Chern-Simons theory

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Abstract

In this work, we study the three-dimensional non-Abelian non-commutative supersymmetric Chern-Simons model with the U (N) gauge group. Using a superfield formulation, we prove that, for the pure gauge theory, the Green functions are one-loop finite in any gauge, if the gauge superpotential belongs to the fundamental representation of u (N); this result also holds when matter in the fundamental representation is included. However, the cancellation of both ultraviolet and ultraviolet/infrared divergences only happens in a special gauge if the coupling of the matter is in the adjoint representation. We also look into the finite one-loop quantum corrections to the effective action: in the pure gauge sector the Maxwell term receives a quantum correction while, in the matter sector, the Chern-Simons term is generated, inducing a shift in the classical Chern-Simons coefficient. © 2006 Elsevier B.V. All rights reserved.

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Ferrari, A. F., Gomes, M., Petrov, A. Y., & da Silva, A. J. (2006). Supersymmetric non-Abelian non-commutative Chern-Simons theory. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 638(2–3), 275–282. https://doi.org/10.1016/j.physletb.2006.05.031

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