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String instantons, fluxes and moduli stabilization
- Source :
-
Nuclear Physics B . May2008, Vol. 795 Issue 1/2, p453-489. 37p. - Publication Year :
- 2008
-
Abstract
- Abstract: We analyze a class of dual pairs of heterotic and type I models based on freely-acting orbifolds in four dimensions. Using the adiabatic argument, it is possible to calculate non-perturbative contributions to the gauge coupling threshold corrections on the type I side by exploiting perturbative calculations on the heterotic side, without the drawbacks due to twisted moduli. The instanton effects can then be combined with closed-string fluxes to stabilize most of the moduli fields of the internal manifold, and also the dilaton, in a racetrack realization of the type I model. [Copyright &y& Elsevier]
- Subjects :
- *PARTICLES (Nuclear physics)
*NUCLEAR physics
*PHYSICS
*PHYSICAL sciences
Subjects
Details
- Language :
- English
- ISSN :
- 05503213
- Volume :
- 795
- Issue :
- 1/2
- Database :
- Academic Search Index
- Journal :
- Nuclear Physics B
- Publication Type :
- Academic Journal
- Accession number :
- 29959594
- Full Text :
- https://doi.org/10.1016/j.nuclphysb.2007.11.026