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  1. Pubblicazioni

Non-perturbative effective interactions from fluxes

Articolo
Data di Pubblicazione:
2008
Abstract:
Motivated by possible implications on the problem of moduli stabilization and other phenomenological aspects, we study D-brane instanton effects in flux compactifications. We focus on a local model and compute non-perturbative interactions generated by gauge and stringy instantons in a Script N = 1 quiver theory with gauge group U(N0) × U(N1) and matter in the bifundamentals. This model is engineered with fractional D3-branes at a C3/(Z2 × Z2) singularity and its non-perturbative sectors are described by introducing fractional D-instantons. We find a rich variety of instanton-generated interactions, ranging from superpotentials and Beasley-Witten like multi-fermion terms to non-perturbative flux-induced instanton interactions.
Tipologia CRIS:
03A-Articolo su Rivista
Keywords:
Strings; Branes; Instantons; non-perturbative; fluxes
Elenco autori:
Marco Billò; Livia Ferro; Marialuisa Frau; Francesco Fucito; Alberto Lerda; Jose F. Morales
Autori di Ateneo:
BILLO' Marco
FRAU Marialuisa
Link alla scheda completa:
https://iris.unito.it/handle/2318/56693
Pubblicato in:
JOURNAL OF HIGH ENERGY PHYSICS
Journal
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