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Extended Supersymmetry and Four Dimensional Geometry
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Theoretical Physics.
2014 (English)In: Proceedings, 14th Hellenic School and Workshops on Elementary Particle Physics and Gravity (CORFU2014) : Corfu, Greece, September 3-21, 2014, 2014Conference paper (Refereed)
Abstract [en]

Semichiral ( 2 ; 2 ) sigma models with 4 d target space are discussed. A novel description in ( 1 ; 1 ) superspace allows an analysis of possible extended supersymmetries. It is argued that a manifest semichiral realization of an extra supersymmetry is only possible for hyperkähler target geometry. A semichiral formulation of the SU ( 2 ) U ( 1 ) WZW model is seemingly a counterexample to this. After deriving the extra supersymmetries of this model in ( 1 ; 1 ) superspace it is shown that they cannot be lifted to transformations of semichirals in ( 2 ; 2 ) superspace

Place, publisher, year, edition, pages
2014.
National Category
Subatomic Physics
Research subject
Theoretical Physics
Identifiers
URN: urn:nbn:se:uu:diva-287800OAI: oai:DiVA.org:uu-287800DiVA: diva2:923468
Conference
14th Hellenic School and Workshops on Elementary Particle Physics and Gravity (CORFU2014)
Available from: 2016-04-26 Created: 2016-04-26 Last updated: 2016-04-26

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