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29 March 2024
 
  » arxiv » arxiv.0707.0922

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B-type defects in Landau-Ginzburg models
Ilka Brunner ; Daniel Roggenkamp ;
Date 6 Jul 2007
AbstractWe consider Landau-Ginzburg models with possibly different superpotentials glued together along one-dimensional defect lines. Defects preserving B-type supersymmetry can be represented by matrix factorisations of the difference of the superpotentials. The composition of these defects and their action on B-type boundary conditions is described in this framework. The cases of Landau-Ginzburg models with superpotential W=X^d and W=X^d+Z^2 are analysed in detail, and the results are compared to the CFT treatment of defects in N=2 superconformal minimal models to which these Landau-Ginzburg models flow in the IR.
Source arXiv, arxiv.0707.0922
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