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The Nobel prize in Physics 2016: Topological phases of matter
jeudi 18 mai 2017

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Conférence de Jean-Noël Fuchs lors du séminaire général du département de physique.

Last year’s Nobel prize in physics was awarded to Kosterlitz, Thouless and Haldane for their pioneering work on topological phase transitions and topological phases of matter. In this talk, I will present some of their work, focusing in particular on the novel understanding of band theory that emerged thanks to these researchers and as a consequence of the experimental discovery of the quantum Hall effect. I will also try to clearly distinguish between different uses of topology in condensed matter physics and to outline what is truly topological from what is merely geometrical (but not least interesting). The main examples that I will discuss are the integer quantum Hall effect and the anomalous quantum Hall effect (Chern insulator).

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Auteur(s)
Jean-Noël Fuchs
CNRS
Physicien

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Jean-Noël Fuchs est un chercheur du CNRS travaillant dans le domaine de la physique théorique de la matière condensée, partageant son temps entre LPTMC Jussieu (Paris) et LPS Orsay. Ses principaux intérêts sont les électrons dans les cristaux, tels que le graphène et les isolateurs topologiques, ou les quasicristals en présence d'un champ magnétique.

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Dernière mise à jour : 20/06/2017