Aspects of Flavour and Supersymmetry in F-theory GUTs

Details Aspects of Flavour and Supersymmetry in F-theory GUTs Aspects of Flavour and Supersymmetry in F-theory GUTs

2009-10-13

arxiv.org/abs/0910.2413v2

JHEP 1001:029,2010

Physics

High Energy Physics

High Energy Physics - Theory

26 pages; v2. journal version

Scientific paper

10.1007/JHEP01(2010)029

We study the constraints of supersymmetry on flavour in recently proposed models of F-theory GUTs. We relate the topologically twisted theory to the canonical presentation of eight-dimensional super Yang-Mills and provide a dictionary between the two. We describe the constraints on Yukawa couplings implied by holomorphy of the superpotential in the effective 4-dimensional supergravity theory, including the scaling with \alpha_{GUT}. Taking D-terms into account we solve explicitly to second order for wavefunctions and Yukawas due to metric and flux perturbations and find a rank-one Yukawa matrix with no subleading corrections.

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