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Auxiliary Field Methods in Supersymmetric Nonlinear Sigma Models
Muneto Nitta
Auxiliary field methods in D=2 (or 3), N=2 supersymmetric (SUSY) nonlinear sigma models (NLSMs) are studied. For these models auxiliary fields as Lagrange multipliers belong to a v…
Non-compact Calabi-Yau Metrics from Nonlinear Realizations
Muneto Nitta
We give a method to construct Calabi-Yau metrics on G-invariant vector bundles over Kahler coset spaces G/H using supersymmetric nonlinear realizations with matter coupling. As a c…
Vacua of Massive Hyper-Kahler Sigma Models with Non-Abelian Quotient
Masato Arai, Muneto Nitta, Norisuke Sakai
The Higgs branch of N=2 supersymmetric gauge theories with non-Abelian gauge groups are described by hyper-Kahler (HK) nonlinear sigma models with potential terms. With the non-Abe…
BPS Wall in N=2 SUSY Nonlinear Sigma Model with Eguchi-Hanson Manifold
Masato Arai, Masashi Naganuma, Muneto Nitta +1
BPS wall solutions are obtained for N=2 supersymmetric nonlinear sigma model with Eguchi-Hanson target manifold in a manifestly supersymmetric manner. The model is constructed by a…