D-branes on K3-fibrations
B-type D-branes are constructed on two different K3-fibrations over P1 using boundary conformal field theory at the rational Gepner points of these models. The microscopic CFT charges are compared with the Ramond charges of D-branes wrapped on holomorphic cycles of the corresponding Calabi-Yau manif...
Gespeichert in:
| Hauptverfasser: | , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
15 August 2000
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| In: |
Nuclear physics. B, Particle physics
Year: 2000, Jahrgang: 582, Heft: 1, Pages: 203-215 |
| ISSN: | 1873-1562 |
| DOI: | 10.1016/S0550-3213(00)00306-0 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: http://dx.doi.org/10.1016/S0550-3213(00)00306-0 Verlag, kostenfrei, Volltext: http://www.sciencedirect.com/science/article/pii/S0550321300003060 
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| Verfasserangaben: | P. Kaste, W. Lerche, C.A. Lütken, J. Walcher |
MARC
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| 520 | |a B-type D-branes are constructed on two different K3-fibrations over P1 using boundary conformal field theory at the rational Gepner points of these models. The microscopic CFT charges are compared with the Ramond charges of D-branes wrapped on holomorphic cycles of the corresponding Calabi-Yau manifold. We study in particular D4-branes and bundles localized on the K3 fibers, and find from CFT that each irreducible component of a bundle on K3 gains one modulus upon fibration over P1. This is in agreement with expectations and so provides a further test of the boundary CFT approach to D-brane physics. | ||
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