D-brane Instantons in 4D Supersymmetric String Vacua

Dieter Lust; Maximilian Schmidt-Sommerfeld; Nikolas Akerblom; Ralph Blumenhagen

D-brane Instantons in 4D Supersymmetric String Vacua

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arxiv 0712.1793 v1 pith:MZRZLUHU submitted 2007-12-11 hep-th

D-brane Instantons in 4D Supersymmetric String Vacua

Nikolas Akerblom , Ralph Blumenhagen , Dieter Lust , Maximilian Schmidt-Sommerfeld This is my paper

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keywords correctionsgauged-branefunctionkinetictypeactionapplications

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We review some aspects of D-instantons in intersecting D-brane models. In particular, we present applications of the recently proposed instanton calculus to computations of charged matter superpotential couplings and corrections to the gauge kinetic function in the low energy effective action of type IIA orientifolds. As an interesting byway, we also discuss how one-loop corrections to the gauge kinetic function can be deduced from gauge threshold corrections in the type IIA setting.

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