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Topological Terms in String Theory on Orbifolds

M. Sakamoto, M. Tachibana

hep-tharXiv:hep-th/9409123

Abstract

We study toroidal orbifold models with topologically invariant terms in the path integral formalism and give physical interpretations of the terms from an operator formalism point of view. We briefly discuss a possibility of a new class of modular invariant orbifold models.

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