Abrikosov String in N=2 Supersymmetric QED

Details Abrikosov String in N=2 Supersymmetric QED Abrikosov String in N=2 Supersymmetric QED

2000-05-12

arxiv.org/abs/hep-th/0005119v2

Phys.Rev. D63 (2001) 045015

Physics

High Energy Physics

High Energy Physics - Theory

6 pages, typos corrected, some mistake corrected, references added

Scientific paper

10.1103/PhysRevD.63.045015

We study the Abrikosov-Nielsen-Olesen string in N=2 supersymmetric QED with N=2-preserving superpotential, in which case the Abrikosov string is found to be 1/2-BPS saturated. Adding a quadratic small perturbation in the superpotential breaks N=2 supersymmetry to N=1 supersymmetry. Then the Abrikosov string is no longer BPS saturated. The difference between the string tensions for the non-BPS and BPS saturated situation is found to be negative to the first order of the perturbation parameter.

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