New N=2 supersymmetric gauge theories: The double tensor multiplet and its interactions

Abstract

The double tensor multiplet of D=4, N=2 supersymmetry, relevant to type IIB superstring vacua, is derived and its gauge invariant and N=2 supersymmetric interactions are analysed, both self-interactions and interactions with vector multiplets and hypermultiplets. Using deformation theory, it is shown that the lowest dimensional nontrivial interaction vertices of this type have dimension 5 and all dimension 5 vertices are determined. They give rise to new N=2 supersymmetric gauge theories of the `exotic' type which are local but nonpolynomial in some of the fields and coupling constants. Explicit examples of such models are constructed.

24 pages, latex2e, amsfonts; details about susy algebra and comments on possible N=1 superfield formulation added; to appear in NPB

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• Instantons in the Double-Tensor Multiplet
• Nonlinear Supersymmetry, Brane-bulk Interactions and Super-Higgs without Gravity
• On the off-shell formulation of N=2 supergravity with tensor multiplets
• Holomorphic Couplings In Non-Perturbative String Compactifications
• Nonlinear Vector-Tensor Multiplets Revisited
• Off-shell supersymmetry via manifest invariance
• A 24+24 real scalar multiplet in four dimensional N=2 conformal supergravity
• 4D supersymmetric gauge theories of spacetime translations
• The Dark Side of Double-Tensor Multiplets