The Quantum Geometry of N=(2,2) Non-Linear Sigma-Models

Details The Quantum Geometry of N=(2,2) Non-Linear Sigma-Models The Quantum Geometry of N=(2,2) Non-Linear Sigma-Models

1997-06-30

arxiv.org/abs/hep-th/9706218v1

Phys.Lett. B412 (1997) 53-58

Physics

High Energy Physics

High Energy Physics - Theory

9 pages, Latex

Scientific paper

10.1016/S0370-2693(97)01053-8

We consider a general N=(2,2) non-linear sigma-model in (2,2) superspace. Depending on the details of the complex structures involved, an off-shell description can be given in terms of chiral, twisted chiral and semi-chiral superfields. Using superspace techniques, we derive the conditions the potential has to satisfy in order to be ultra-violet finite at one loop. We pay particular attention to the effects due to the presence of semi-chiral superfields. A complete description of N=(2,2) strings follows from this.

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