Branes and instantons intersecting at angles

Details Branes and instantons intersecting at angles Branes and instantons intersecting at angles

2009-05-11

arxiv.org/abs/0905.1694v3

JHEP 1001:005,2010

Physics

High Energy Physics

High Energy Physics - Theory

32 pages. v2: added refs, fixed typos, change of wording in section 4.2

Scientific paper

10.1007/JHEP01(2010)005

We study in detail the system of D6 branes and euclidean D2-brane instantons intersecting at angles in type IIA string theory. We find that in the absence of orientifolds the system does not contribute to the low energy superpotential, in agreement with expectations based on effective field theory arguments. We also comment on the implications of our results for dual string theory pictures.

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