Some Aspects of N=(2,2), D=2 Supersymmetry

Abstract

The off-shell description of N=(2,2) supersymmetric non-linear sigma-models is reviewed. The conditions for ultra-violet finiteness are derived and T-duality is discussed in detail.

6 pages, Latex, to appear in the proceedings of `Quantum aspects of gauge theories, supersymmetry and unification', Neuchatel University, 18-23 September 1997

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