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AbstractAbstract
[en] We study various aspects of heterotic compactifications with torsion. We define and compute the dressed elliptic genus associated to Fu-Yau compactifications, and use this result to compute one-loop threshold corrections to various BPS-saturated couplings in the four-dimensional effective supergravity action. Finally, we study non-compact supersymmetric solutions which generalize, among others, the known heterotic solutions on the conifold. (author)
[fr]
Nous etudions differents aspects lies aux compactifications heterotiques avec torsion. Nous definissons et calculons le 'genre elliptique vetu' associe aux compactifications Fu-Yau, et exploitons ce resultat pour calculer les corrections de seuil a une boucle de differents couplages BPS-satures dans l'action effective de supergravite a quatre dimensions. Enfin nous nous interessons a des solutions supersymetriques non-compactes qui generalisent, entre autres, les solutions heterotiques connues sur le conifold. (auteur)Original Title
Compactifications heterotiques avec flux
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16 Jun 2017; 231 p; 156 refs.; Available from the INIS Liaison Officer for France, see the INIS website for current contact and E-mail addresses; These Docteur de l'Universite Pierre et Marie Curie, Specialite: Physique Theorique
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