D-brane Charges in Gepner Models
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Physics
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We construct Gepner models in terms of coset conformal field theories and compute their twisted equivariant K-theories. These classify the D-brane charges on the associated geometric backgrounds and therefore agree with the topological K-theories. We show this agreement for various cases, in particular, the Fermat quintic.
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Suggested Citation: Braun, V. and Schäfer-Nameki, S. (2006). D-brane charges in Gepner models. Journal of Mathematical Physics 47, 092304. © 2006 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Journal of Mathematical Physics and may be found at http://dx.doi.org/10.1063/1.2245211.