Northwestern Events Calendar

Oct
26
2017

Professor Alex Levchenko: Anomalous quantum transport - Hall, Kerr and Josephson effects

When: Thursday, October 26, 2017
4:00 PM - 5:30 PM CT

Where: Technological Institute, F160, 2145 Sheridan Road, Evanston, IL 60208 map it

Audience: Faculty/Staff - Student - Public - Post Docs/Docs - Graduate Students

Contact: Tina Hoff  

Group: Physics and Astronomy Condensed Matter Physics Seminars

Category: Academic

Description:

Professor Alex Levchenko, University of Wisconsin-Madison

Title: Anomalous quantum transport - Hall, Kerr and Josephson effects

Abstract: I will review mechanisms of the anomalous Hall effect using the model of massive Dirac fermions as a guiding example. Extensions of the theory to the case of chiral p-wave superconductors will be presented in the context of the Kerr effect. We will also discuss how multi-terminal Josephson junctions can realize quantized anomalous Hall like responses which are governed by the Berry fluxes of the band topology harbored by Andreev states. The latter realize Weyl-like semi-metallic phases.

Host: Jim Sauls

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