On Superpotentials for D-Branes in Gepner Models

Brunner, Ilka; Schomerus, Volker

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On Superpotentials for D-Branes in Gepner Models

Brunner, I., & Schomerus, V. (2000). On Superpotentials for D-Branes in Gepner Models. Journal of High Energy Physics, 2000(10): 016.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0013-5706-6 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0013-5708-2

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Brunner, Ilka, Author
Schomerus, Volker¹, Author

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1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24014

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Abstract: 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.

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Language(s): eng - English

Dates: Date issued: 2000-10

Publication Status: Issued

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Identifiers: eDoc: 3224

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Title: Journal of High Energy Physics

Source Genre: Journal

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Pages: - Volume / Issue: 2000 (10) Sequence Number: 016 Start / End Page: - Identifier: -