Moduli Spaces of Instantons on the Taub-NUT Space

Details Moduli Spaces of Instantons on the Taub-NUT Space Moduli Spaces of Instantons on the Taub-NUT Space

2008-05-08

arxiv.org/abs/0805.1245v1

Commun.Math.Phys.290:719-736,2009

Physics

High Energy Physics

High Energy Physics - Theory

26 pages, 7 figures

Scientific paper

10.1007/s00220-009-0863-8

We present ADHM-Nahm data for instantons on the Taub-NUT space and encode these data in terms of Bow Diagrams. We study the moduli spaces of the instantons and present these spaces as finite hyperkahler quotients. As an example, we find an explicit expression for the metric on the moduli space of one SU(2) instanton. We motivate our construction by identifying a corresponding string theory brane configuration. By following string theory dualities we are led to supersymmetric gauge theories with impurities.

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