Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2003-12-31
Physics
High Energy Physics
High Energy Physics - Theory
latex, 35p, 2 figs, refs added; brief comments about duality to fourfolds added in the concluding section
Scientific paper
We review an approach for computing non-perturbative, exact superpotentials for Type II strings compactified on Calabi-Yau manifolds, with extra fluxes and D-branes on top. The method is based on an open string generalization of mirror symmetry, and takes care of the relevant sphere and disk instanton contributions. We formulate a framework based on relative (co)homology that uniformly treats the flux and brane sectors on a similar footing. However, one important difference is that the brane induced potentials are of much larger functional diversity than the flux induced ones, which have a hidden N=2 structure and depend only on the bulk geometry. This introductory lecture is meant for an audience unfamiliar with mirror symmetry.
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