The structure of N=2 multi-instanton and string-loop corrections in toroidal orbifold models

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We summarize the structure of N=2 multi-instanton and string loop corrections to the Kähler potential and the gauge kinetic function in type I toroidal orbifold models. For that aim, we exploit perturbative calculations of the physical gauge couplings on the heterotic dual, whenever such a perturbative description is available.
Parallel talk at 34th International Conference on High Energy Physics (ICHEP08), Philadelphia, USA, July 2008. 5 pages

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High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/172034

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0810.0481
 http://arxiv.org/abs/0810.0481

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arXiv