One-loop Shift in Noncommutative Chern-Simons Coupling
Guang-Hong Chen, Yong-Shi Wu
Abstract
In this paper we study the one-loop shift in the coupling constant in a noncommutative pure U(N) Chern-Simons gauge theory in three dimensions. The one-loop shift is shown to be a constant proportional to N, independent of noncommutativity parameters, and non-vanishing for U(1) theory. Possible physical and mathematical implications of this result are discussed.
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