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Infinite symmetry in the quantum Hall effect

Free planar electrons in a uniform magnetic field are shown to possess the symmetry of area-preserving diffeomorphisms ($W$-infinity algebra). Intuitively, this is a consequence of gauge invariance, which forces dynamics to depend only on the flux. The infinity of generators of this symmetry act wit...

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Detalles Bibliográficos
Autores principales: Cappelli, Andrea, Trugenberger, Carlo A., Zemba, Guillermo R.
Lenguaje:eng
Publicado: 1993
Materias:
Acceso en línea:https://dx.doi.org/10.1016/0550-3213(93)90660-H
http://cds.cern.ch/record/237518