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ID: 3224.0, MPI für Gravitationsphysik / Quantum Gravity and Unified Theories
On Superpotentials for D-Branes in Gepner Models
Authors:Brunner, Ilka; Schomerus, Volker
Language:English
Date of Publication (YYYY-MM-DD):2000-10
Title of Journal:Journal of High Energy Physics
Volume:10
Sequence Number of Article:016
Review Status:not specified
Audience:Not Specified
Abstract / Description:A large class of D-branes in Calabi-Yau spaces can be constructed at the Gepner points using the techniques of boundary conformal field theory. In this note we develop methods that allow to compute open string amplitudes for such D-branes. In particular, we present explicit formulas for the products of open string vertex operators of untwisted A-type branes. As an application we show that the boundary theories of the quintic associated with the special Lagrangian submanifolds Im omega_i z_i = 0 where omega_i^5=1 possess no continuous moduli.
External Publication Status:published
Document Type:Article
Communicated by:Hermann Nicolai
Affiliations:MPI für Gravitationsphysik/Quantum Gravity and Unified Theories
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