D-instanton and polyinstanton effects from type I' D0-brane loops
arXiv:1001.3390 · doi:10.1007/JHEP06(2010)089
Abstract
We study non-perturbative D(-1)-instanton corrections to quartic gauge and curvature couplings in 8d type IIB orientifolds, in terms of a one-loop computation of BPS D0-branes in T-dual type I' models. The complete perturbative and non-perturbative results are determined by the BPS multiplicities of perturbative open strings and D0-brane bound states in the 9d type I' theory. Its modular properties admit a geometric interpretation by lifting to Horava-Witten theory. We use the type I' viewpoint to motivate a proper interpretation of 8d and 4d polyinstanton effects, consistent with heterotic - type II orientifold duality.
37 pages, 2 figures, clarifications and references added
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- Stringy instanton corrections to N=2 gauge couplings
- On the computation of non-perturbative effective potentials in the string theory landscape -- IIB/F-theory perspective
- F-term Stabilization of Odd Axions in LARGE Volume Scenario
- On Non-Gaussianities in Two-Field Poly-Instanton Inflation
- Field Theory Interpretation of N=2 Stringy Instantons
- Stringy instanton effects in N=2 gauge theories
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