String Theory Seminar
Thursday, October 14, 1999, 4:00pm, 120 Physics
Albion Lawrence (IAS Princeton)
D-Branes on Calabi-Yau Threefolds
Abstract:- D-branes on Calabi-Yau threefolds are interesting both as alternative
probes of quantum geometry, and as nontrivial realizations of gauge
theories with four supercharges. Of course, these issues are not
independent.
In this talk I will briefly discuss the former by describing and
characterizing D-brane states at the Gepner point in the moduli space
of the quintic. I will then use such D-branes to realize
d=4 N=1 SUSY gauge theories, and discuss the computation of the
superpotential of these theories, particularly for those realized
by D6-branes wrapped around special Lagrangian submanifolds of the
threefold. I will close with some speculations on the implications of
mirror symmetry for these superpotentials.
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