One-loop Shift in Noncommutative Chern-Simons Coupling

Details One-loop Shift in Noncommutative Chern-Simons Coupling One-loop Shift in Noncommutative Chern-Simons Coupling

2000-06-15

arxiv.org/abs/hep-th/0006114v3

Nucl.Phys. B593 (2001) 562-574

Physics

High Energy Physics

High Energy Physics - Theory

19 pages, 2 figures, RevTex, notice added,NPB final version

Scientific paper

10.1016/S0550-3213(00)00630-1

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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