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Title: Special geometry of Calabi-Yau compactifications near a rigid limit
Authors: Billó, M ×
Denef, Frederik
Frè, P
Pesando, I
Troost, Walter
Van Proeyen, Antoine
Zanon, D #
Issue Date: 1999
Publisher: Wiley-v c h verlag gmbh
Series Title: Fortschritte der physik-progress of physics vol:47 issue:1-3 pages:133-139
Abstract: We discuss, in the framework of special Kahler geometry, some aspects of the "rigid limit" of type IIB string theory compactified on a Calabi-Yau threefold. We outline the general idea and demonstrate by direct analysis of a specific example how this limit is obtained. The decoupling of gravity and the reduction of special Kahler geometry from local to rigid is demonstrated explicitly, without first going to a noncompact approximation of the Calabi-Yau. In doing so, we obtain the Seiberg-Witten Riemann surfaces corresponding to different rigid limits as degenerating branches of a higher genus Riemann surface, defined for all values of the moduli. Apart from giving a nice geometrical picture, this allows one to calculate easily some gravitational corrections to e.g. the Seiberg-Witten central charge formula. We make some connections to the 2/5 brane picture, also away from the rigid limit, though only at the formal level.
ISSN: 0015-8208
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Theoretical Physics Section
× corresponding author
# (joint) last author

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