Five-dimensional Superfield Supergravity
arXiv:0710.3440 · doi:10.1016/j.physletb.2008.01.055
Abstract
We present a projective superspace formulation for matter-coupled simple supergravity in five dimensions. Our starting point is the superspace realization for the minimal supergravity multiplet proposed by Howe in 1981. We introduce various off-shell supermultiplets (i.e. hypermultiplets, tensor and vector multiplets) that describe matter fields coupled to supergravity. A projective-invariant action principle is given, and specific dynamical systems are constructed including supersymmetric nonlinear sigma-models. We believe that this approach can be extended to other supergravity theories with eight supercharges in space-time dimensions, including the important case of 4D N=2 supergravity.
18 pages, LaTeX; v2: comments added; v3: minor changes, references added; v4: comments, reference added, version to appear in PLB