Conformal Field Theory Approach to Quantum Impurity Problems

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A brief review is given of a new method for studying the critical behavior of quantum impurity problems, based on conformal field theory techniques, which I developed with Andreas Ludwig. Some results on the overscreened Kondo problem are reviewed. It is shown that the simple open and periodic fixed points, which occur in quantum spin chain impurity models, are related to each other by fusion.
Latex, 15 pages, LaTex, UBCTP-93-25, hard copy of figures available from maxwell@physics.ubc.ca

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Condensed Matter, High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/147464

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/9311054
 http://arxiv.org/abs/cond-mat/9311054

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arXiv