Noncommutative Vortex Solitons

Details Noncommutative Vortex Solitons Noncommutative Vortex Solitons

2000-11-13

arxiv.org/abs/hep-th/0011099v2

Phys.Rev. D63 (2001) 125010

Physics

High Energy Physics

High Energy Physics - Theory

22 pages, 1 figure, typos corrected, a comment on the soliton size is added

Scientific paper

10.1103/PhysRevD.63.125010

We consider the noncommutative Abelian-Higgs theory and investigate general static vortex configurations including recently found exact multi-vortex solutions. In particular, we prove that the self-dual BPS solutions cease to exist once the noncommutativity scale exceeds a critical value. We then study the fluctuation spectra about the static configuration and show that the exact non BPS solutions are unstable below the critical value. We have identified the tachyonic degrees as well as massless moduli degrees. We then discuss the physical meaning of the moduli degrees and construct exact time-dependent vortex configurations where each vortex moves independently. We finally give the moduli description of the vortices and show that the matrix nature of moduli coordinates naturally emerges.

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