Branes, Instantons, And Taub-NUT Spaces

Abstract

ALE and Taub-NUT (or ALF) hyper-Kahler four-manifolds can be naturally constructed as hyper-Kahler quotients. In the ALE case, this construction has long been understood in terms of D-branes; here we give a D-brane derivation in the Taub-NUT case. Likewise, instantons on ALE spaces and on Taub-NUT spaces have ADHM-like constructions related to hyper-Kahler quotients. Here we refine the analysis in the Taub-NUT case by making use of a D-brane probe, and give an application to M-theory.

63 pp

References in corpus (4)

• NS5-Branes, T-Duality and Worldsheet Instantons
• Magnetic Monopole Dynamics, Supersymmetry, and Duality
• On Yang--Mills instantons over multi-centered gravitational instantons
• Singular Monopoles via the Nahm Transform

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