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Seminar of the Department of Theoretical Physics, Steklov Mathematical Institute of RAS
May 15, 2019 14:00, Moscow, Steklov Mathematical Institute of RAS, Room 404 (8 Gubkina)
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Special Kahler geometry and Landau-Ginzburg theories
K. R. Aleshkin L.D. Landau Institute for Theoretical Physics of Russian Academy of Sciences
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Abstract:
Special Kahler geometry is a geometric structure behind coupling constants of d=4 N=2 supersymmetric gauge theories. It appears naturally in superstring compactifications on Calabi-Yau threefolds. Coupling constants are computed from complex and Kahler moduli geometry of the Calabi-Yau manifold and their explicit computation is not simple. In this talk I will explain a recently developed method to compute special geometry based on the correspondence of Calabi-Yau non-linear sigma models and supersymmetric Landau-Ginzburg orbifolds. This method allowed to compute special geometry for a huge class of manifolds for which no explicit computations were done before.
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