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arXiv · hep-th/9807059

SU(2) Yang-Mills Theory with extended Supersymmetry in a Background Magnetic Field

D. G. C. McKeon·I. Sachs·I. A. Shovkovy
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Abstract

The vacuum structure of N=2 (and N=4) SUSY Yang-Mills theory is analyzed in detail by considering the effective potential for constant background scalar- magnetic fields within different approximations. We compare the one-loop approximation with- or without instanton improved effective coupling with the one-loop result in the dual desription. For N=2 we find that non-perturbative monopole degrees of freedom remove the non-trivial minima present in the (improved) one-loop potential in the strong-coupling regime. The combination of Yang-Mills and dual desription leads to a self-consistent effective potential over the full range of background fields.

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D. G. C. McKeon, I. Sachs, I. A. Shovkovy. 1998-08-14. SU(2) Yang-Mills Theory with extended Supersymmetry in a Background Magnetic Field. https://doi.org/10.1103/physrevd.59.105010

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