N=2 Nonlinear Sigma Models in N=1 Superspace: Four and Five Dimensions

Jonathan Bagger, Chi Xiong

Published 2006-01-22, updated 2006-06-11Version 2

We formulate four-dimensional N=2 supersymmetric nonlinear sigma models in N=1 superspace. We show how to add superpotentials consistent with N=2 supersymmetry. We lift our construction to higher-dimensional spacetime and write five-dimensional nonlinear sigma models in N=1 superspace.