D-brane instantons and matrix models

Abstract

We point out that in some situations it is possible to use matrix model techniques a la Dijkgraaf-Vafa to perturbatively compute D-brane instanton effects. This provides an explanation in terms of stringy instantons of the results in hep-th/0311181. We check this proposal in some simple scenarios. We point out some interesting consequences of this observation, such as the fact that it gives a perturbative way of computing stringy multi-instanton effects. It also provides a further interpretation of D-brane instantons as residual instantons of higgsed supergroups.

20 pages, 1 figure

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Cited by in corpus (12)

• Global String Embeddings for the Nilpotent Goldstino
• On the computation of non-perturbative effective potentials in the string theory landscape -- IIB/F-theory perspective
• Non-perturbative effects and wall-crossing from topological strings
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