Low-Energy Dynamics of Noncommutative CP^1 Solitons in 2+1 Dimensions

Details Low-Energy Dynamics of Noncommutative CP^1 Solitons in 2+1 Dimensions Low-Energy Dynamics of Noncommutative CP^1 Solitons in 2+1 Dimensions

2002-03-14

arxiv.org/abs/hep-th/0203125v1

Phys.Lett. B537 (2002) 165-172

Physics

High Energy Physics

High Energy Physics - Theory

AMSLaTeX, 11 pages

Scientific paper

10.1016/S0370-2693(02)01904-4

We investigate the low-energy dynamics of the BPS solitons of the noncommutative CP^1 model in 2+1 dimensions using the moduli space metric of the BPS solitons. We show that the dynamics of a single soliton coincides with that in the commutative model. We find that the singularity in the two-soliton moduli space, which exists in the commutative CP^1 model, disappears in the noncommutative model.We also show that the two-soliton metric has the smooth commutative limit.

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