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D0-branes in Gepner models and N = 2 black holes
Affiliation:1. Physics Department, P.O. Box 248046, University of Miami, Coral Gables, FL 33124, USA;2. Instituto de Física Teórica-UNESP, Rua Dr. Bento Teobaldo Ferraz 271, Bloco II 01140-070, São Paulo, Brazil;1. Lebedev Physics Institute, Moscow 119991, Russia;2. ITEP, Moscow 117218, Russia;3. Institute for Information Transmission Problems, Moscow 127994, Russia;4. MIPT, Dolgoprudny 141701, Russia;1. Lebedev Physics Institute, Moscow 119991, Russia;2. ITEP, Moscow 117218, Russia;3. Institute for Information Transmission Problems, Moscow 127994, Russia;4. National Research Nuclear University MEPhI, Moscow 115409, Russia;5. Laboratory of Quantum Topology, Chelyabinsk State University, Chelyabinsk 454001, Russia;1. Jefferson Physical Laboratory, Harvard University, Cambridge, MA 02138, USA;2. Theoretical Physics Group, Imperial College London, London, SW7 2AZ, UK;1. Instituto de Física Fundamental (IFF-CSIC), Serrano 123, 28006 Madrid, Spain;2. Faculty of Civil Engineering, University of Belgrade, Bulevar Kralja Aleksandra 73, 11000 Belgrade, Serbia;3. Institute of Physics, University of Belgrade, Pregrevica 118, 11080 Belgrade, Serbia
Abstract:In this paper D-brane boundary states constructed in Gepner models are used to analyze some aspects of the dynamics of DO-branes in Calabi-Yau compactifications of type II theories to four dimensions. It is shown that the boundary states correspond to BPS objects carrying dyonic charges. By analyzing the couplings to closed string fields a correspondence between the DO-branes and extremal charged black holes in N = 2 supergravity is found.
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