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Hyperkahler sigma models on cotangent bundles of Hermitian symmetric spaces using projective superspace
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Theoretical Physics.
2007 (English)In: Journal of High Energy Physics (JHEP), ISSN 1029-8479, E-ISSN 1126-6708, no 2, 100- p.Article in journal (Refereed) Published
Abstract [en]

Kahler manifolds have a natural hyperkahler structure associated with (part of) their cotangent bundles. Using projective superspace, we construct four-dimensional N=2 models on the tangent bundles of some classical Hermitian symmetric spaces (specifically, the four regular series of irreducible compact symmetric Kahler manifolds, and their non-compact versions). A further dualization yields the Kahler potential for the hyperkahler metric on the cotangent bundle.

Place, publisher, year, edition, pages
2007. no 2, 100- p.
Keyword [en]
sigma models, extended supersymmetry, differential and algebraic geometry
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-145491DOI: 10.1088/1126-6708/2007/02/100ISI: 000245078200100OAI: oai:DiVA.org:uu-145491DiVA: diva2:396266
Available from: 2011-02-09 Created: 2011-02-09 Last updated: 2012-05-18Bibliographically approved

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Lindström, Ulf
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