Abstract
We present and analyze in detail a compact F-theory GUT model in which D-brane instantons generate the top Yukawa coupling non-perturbatively. We elucidate certain aspects of F-theory gauge dynamics which are absent in the Type IIB limit, due to quantum splitting of certain brane stacks. Finally, we provide a working implementation of an algorithm for computing cohomology of line bundles on arbitrary toric varieties. This should be of general use for studying the physics of global Type IIB and F-theory models, in particular for the explicit counting of zero modes for rigid F-theory instantons which contribute to charged matter couplings.
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Cvetič, M., García-Etxebarria, I. & Halverson, J. Global F-theory models: instantons and gauge dynamics. J. High Energ. Phys. 2011, 73 (2011). https://doi.org/10.1007/JHEP01(2011)073
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DOI: https://doi.org/10.1007/JHEP01(2011)073