Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2004-08-31
JHEP 0611 (2006) 006
Physics
High Energy Physics
High Energy Physics - Theory
23 pages, 3 figures
Scientific paper
10.1088/1126-6708/2006/11/006
We revisit open string mirror symmetry for the elliptic curve, using matrix factorizations for describing D-branes on the B-model side. We show how flat coordinates can be intrinsically defined in the Landau-Ginzburg model, and derive the A-model partition function counting disk instantons that stretch between three D-branes. In mathematical terms, this amounts to computing the simplest Fukaya product m_2 from the LG mirror theory. In physics terms, this gives a systematic method for determining non-perturbative Yukawa couplings for intersecting brane configurations.
Brunner Ilka
Herbst Manfred
Lerche Wolfgang
Walcher Johannes
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