UBC Math

Fri 28 Sep 2018, 4:00pm
Department Colloquium
ESB 2012

Integers in manybody quantum physics

ESB 2012
Fri 28 Sep 2018, 4:00pm5:00pm
Abstract
Although integers are ubiquitous in quantum physics, they have different mathematical origins. In this colloquium, I will give a glimpse of how integers arise as either topological invariants or as analytic indices, as is the case in the socalled quantum Hall effect. I will explain the difficulties arising in extending wellknown arguments when one relaxes the approximation that the particles effectively do not interact with each other in matter. Recent advances have made such realistic generalizations possible.
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Note for Attendees
Refreshments will be served in ESB 4133 from 3:45 p.m.4:00 p.m.