SEMINAIRE MERCREDI 18 OCTOBRE 2006
14 heures
Salle Séminaire 5
Centre de Physique Théorique
Marseille-Luminy

Gian Michele Graf
ETH Zuerich

Title: Aspects of the integer quantum Hall effect

Abstract: We review some of the different approaches to the integer
quantum Hall effect. The Hall current may be viewed either as being
driven by a magnetic flux threading the sample, or by an electric
field; it may flow either in the bulk or at the edge of a sample. We
present three corresponding definitions of conductance and discuss
results establishing their equivalence. The role played by
localization will also be addressed.