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Dualities and fivebrane instantons
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DOI：10.1007/JHEP11(2014)040.png)
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Abstract
En 中文
We derive the fivebrane instanton corrections to the hypermultiplet moduli space M-H of Calabi-Yau string vacua using S-duality symmetry of the type 1113 formulation. The result is given in terms of a set of holomorphic functions on the twistor space of M-H. It contains not only all orders of the instanton expansion, but also takes into account the presence of D1-D(-1)-brane instantons. Furthermore, we provide a thorough study of the group of discrete isornetries of M-H and show that its closure requires a modification of certain symmetry transformations. After this modification, the fivebrane instantons are proven to be consistent with the full duality group.
Keywords:
p-branes
Nonperturbative Effects
Supersymmetric Effective Theories
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