Unoriented D-brane instantons

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• Massimo Bianchi (Universita' di Roma "Tor Vergata" )
• Wednesday 23 January 2013, 14:15-15:15
• MR2, Centre for Mathematical Sciences.

If you have a question about this talk, please contact Dr Dorigoni.

We give a pedagogical introduction to D-brane instanton effects in vacuum configurations with open and unoriented strings. We focus on quiver gauge theories for unoriented D-branes at orbifold singularities and describe in some detail the Z_3 case, where both `gauge’ and `exotic’ instantons can generate non-perturbative super potentials, and the Z_5 case, where supersymmetry breaking may arise from the combined effect of `gauge’ instantons and a FI D -term.

This talk is part of the Theoretical Physics Colloquium series.

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