Speaker
Victor Gurarie (U of Colorado Boulder)
Description
We develop a method to characterize interacting topological
insulators with single particle Green's functions. If the
interactions are switched off, it reproduces the known
behavior of noninteracting topological insulators, in
particular the existence of the edge states at their
boundary. At the same time, the method explains why
topological insulators, once the interactions are turned on,
can lose their edge states.
