Abstract
We compute Yukawa couplings in type IIa string theory compactified on a sixtorus in the presence of intersecting D6-branes. The six-torus is generated by an SO(12) root lattice. Yukawa couplings are expressed as sums over worldsheet instantons. Our result extends known expressions to a non-factorisable torus. As an aside we also fill in some details for the factorisable torus and non-coprime intersection numbers.
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Förste, S., Liyanage, C. Yukawa couplings for intersecting D-branes on non-factorisable tori. J. High Energ. Phys. 2015, 110 (2015). https://doi.org/10.1007/JHEP03(2015)110
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DOI: https://doi.org/10.1007/JHEP03(2015)110