Interaction induced hierarchy of edge-locking effects

Note: Pizza served at 11:15 AM/seminar at 11:30 AM
Speaker: Masud Haque, Max Planck Institute, Dresden, Germany

When: October 29, 2010 (Fri), 12:00PM to 01:00PM (add to my calendar)
Location: SCI 352
Hosted by: Claudio Chamon

This event is part of the Biophysics/Condensed Matter Seminar Series.

Abstract:
In 1D lattices with open boundaries, I will present a `fractal’ structure high up in the energy specturm, and associated out-of-equilibrium consequences.

The non-equilibrium consequences are a hierarchy of `edge-locking’ effects.

I will show versions of the phenomenon for three classic condensed-matter models:

  1. the Bose-Hubbard model;
  2. the spinless fermion model with nearest-neighbor repulsion;
  3. the XXZ (Heiseberg-Ising) spin chain.