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Wednesday 27 June 2012, 16:45-17:00
Moduli Dependence of M5-instantons in F-theory
⚠️ Important: Mathematics and Applications of Branes in String and M-theory
- 👤 Speaker: Halverson, J (University of Pennsylvania)
- 📅 Date & Time: Wednesday 27 June 2012, 16:45 - 17:00
- 📍 Venue: Seminar Room 2, Newton Institute Gatehouse
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Mustapha Amrani
Abstract
M5-instanton corrections to the superpotential in four-dimensional F-theory compactifications have a moduli-dependent prefactor which contains interesting physical content. In two examples obtained via heterotic duality, I will show that the entire vanishing locus of the prefactor can be understood via simple F-theory physics, often occurring at enhanced symmetry points in the complex structure moduli space. If time permits, I will discuss the relationship between line bundle cohomology on a distinguished curve in the instanton worldvolume and the intermediate Jacobian of the M5-instanton.
Series This talk is part of the Isaac Newton Institute Seminar Series series.
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