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On-Mass-Shell Gaugino Condensation in ZN Orbifold Compactifications

Ingo Gaida, Dieter Luest

hep-tharXiv:hep-th/9510022

Abstract

We discuss non-perturbative aspects of string effective field theories with N=1 supersymmetry in four dimensions. By the use of a scalar potential, which is on-shell invariant under the supersymmetric duality of the dilaton, we study gaugino condensation in (2,2) symmetric ZN orbifold compactifications. The duality under consideration relates a two-form antisymmetric tensor to a pseudoscalar. We show, that our approach is independent of the superfield-representation of the dilaton and preserves the U(1)PQ Peccei-Quinn symmetry exactly.

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