Defects and Bulk Perturbations of Boundary Landau-Ginzburg Orbifolds

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We propose defect lines as a useful tool to study bulk perturbations of conformal field theories, in particular to analyse the induced renormalisation group flows of boundary conditions. As a concrete example we investigate bulk perturbations of N=2 supersymmetric minimal models. To these perturbations we associate a special class of defects between the respective UV and IR theories, whose fusion with boundary conditions indeed reproduces the behaviour of the latter under the corresponding RG flows. v2: Some explanations added in section 4, minor changes.
37 pages, 6 figures

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High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/191735

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0712.0188
 http://arxiv.org/abs/0712.0188
 JHEP0804:001,2008
 doi:10.1088/1126-6708/2008/04/001

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arXiv