Geometric transport in Quantum Hall Effect

Geometric transport in Quantum Hall Effect
Paul Wiegmann, Department of Physics, University of Chicago
Paul Weigmann
Date and time: Thu, Dec 07, 2017 - 11:30am
Refreshments at 11:15am
Location: LGRT 1033
Category: Condensed Matter Seminar

Quantized Hall conductance in quantum Hall effect (QHE) is well understood and measured with an unmatched precision. Is the electric transport  the only precise transport? Apparently not. I will discuss the geometric transport that recently came into the focus of research. The geometric transport  is also precise. It is the transport of charge and angular momentum under mechanical change of the geometry of electronic fluid. Quantization of the geometric transport is based on  a subtle phenomena of the gravitational anomaly recently revealed in QHE.