Mirror symmetry for open strings
Abstract
We discuss the generation of superpotentials in four-dimensional, N = 1 supersymmetric field theories arising from type IIA D6-branes wrapped on supersymmetric three-cycles of a Calabi-Yau threefold. In general, nontrivial superpotentials arise from sums over disc instantons. We find several examples of special Lagrangian three-cycles with nontrivial topology which are mirror to obstructed rational curves, conclusively demonstrating the existence of such instanton effects. In addition, we present explicit examples of disc instantons ending on the relevant three-cycles. Finally, we give a preliminary construction of a mirror map for the open string moduli, in a large-radius limit of the type IIA compactification.
Cite
@article{arxiv.hep-th/0006047,
title = {Mirror symmetry for open strings},
author = {Shamit Kachru and Sheldon Katz and Albion Lawrence and John McGreevy},
journal= {arXiv preprint arXiv:hep-th/0006047},
year = {2009}
}
Comments
32 pages, 8 figures, harvmac big, v2: example I modified