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H 1 Invariants of disordered topological insulators

Auteurs : Schulz-Baldes, Hermann (Auteur de la Conférence)
CIRM (Editeur )

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    Résumé : According to a widely accepted terminology, a topological insulator is a (independent) Fermion system which has surface modes that are not exposed to Anderson localization. This stability results from topological constraints given by non-trivial invariants like non-commutative Chern numbers and higher winding numbers, but sometimes also more subtle Z2 invariants associated to adequate Fredholm operators with symmetries. Prime examples are quantum Hall systems, but the talk also considers chiral and BdG systems as well as time-reversal symmetric systems with Z2 invariants.

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      Informations sur la Vidéo

      Langue : Anglais
      Date de publication : 01/07/14
      Date de captation : 09/06/14
      Collection : Research talks ; Mathematical Physics ; Topology
      Format : quicktime ; audio/x-aac
      Durée : 00:55:00
      Domaine : Mathematical Physics ; Topology
      Audience : Chercheurs ; Doctorants , Post - Doctorants
      Download : https://videos.cirm-math.fr/2014-06-09_Schulz_Baldes.mp4

    Informations sur la rencontre

    Nom de la rencontre : Spectral days / Journées méthodes spectrales
    Organisateurs de la rencontre : Barbaroux, Jean-Marie ; Germinet, François ; Joye, Alain ; Warzel, Simone
    Dates : 09/06/14 - 13/06/14
    Année de la rencontre : 2014
    URL Congrès : http://barbarou.univ-tln.fr/spectraldays/sd

    Citation Data

    DOI : 10.24350/CIRM.V.18582003
    Cite this video as: Schulz-Baldes, Hermann (2014). Invariants of disordered topological insulators. CIRM. Audiovisual resource. doi:10.24350/CIRM.V.18582003
    URI : http://dx.doi.org/10.24350/CIRM.V.18582003


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