N=4, d=1 Supersymmetric Hyper-Kaehler Sigma Models with Isospin Variables
arXiv:1012.2250 · doi:10.1007/JHEP02(2011)038
Abstract
We provide a Lagrangian formulation of \Nf supersymmetric mechanics describing the motion of an isospin carrying particle on conformal to hyper-Kähler spaces in a non-Abelian background gauge field. In two examples we discuss in details, this background field is identified with the field of BPST instantons in the flat and Taub-NUT spaces.
10 pages, LaTeX, no figures, PACS: 12.60.Jv, 03.65.-w, 11.30.Pb, reference added, minor corrections
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