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New supersymmetric sigma-model duality
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy.
2010 (English)In: Journal of High Energy Physics (JHEP), ISSN 1029-8479, E-ISSN 1126-6708, no 10, 072- p.Article in journal (Refereed) Published
Abstract [en]

We study dualities in off-shell 4D N = 2 supersymmetric sigma-models, using the projective superspace approach. These include (i) duality between the real O(2n) and polar multiplets; and (ii) polar-polar duality. We demonstrate that the dual of any superconformal sigma-model is superconformal. Since N = 2 superconformal sigma-models (for which target spaces are hyperkahler cones) formulated in terms of polar multiplets are naturally associated with Kahler cones (which are target spaces for N = 1 superconformal sigma-models), polar-polar duality generates a transformation between different Kahler cones. In the non-superconformal case, we study implications of polar-polar duality for the sigma-model formulation in terms of N = 1 chiral superfields. In particular, we find the relation between the original hyperkahler potential and its dual. As an application of polar-polar duality, we study self-dual models.

Place, publisher, year, edition, pages
2010. no 10, 072- p.
Keyword [en]
Supersymmetry and Duality, Extended Supersymmetry, Superspaces
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-139267DOI: 10.1007/JHEP10(2010)072ISI: 000284147000015OAI: oai:DiVA.org:uu-139267DiVA: diva2:380918
Available from: 2010-12-22 Created: 2010-12-22 Last updated: 2012-05-18Bibliographically approved

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Lindström, Ulf
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