Theory of Condensed Matter: Hard Condensed Matter
May 27, 2014 at 10 a.m. in Seminar Room K, Building 2/413Prof. Dr. Jairo Sinova
Institut für Physik, SPICE
sinova@uni-mainz.de
We study persistent currents for interacting one-dimensional (1D) bosons on a tight ring trap, subjected to a rotating barrier potential, which induces an artificial \(U(1)\) gauge field.
We show that, at intermediate interactions, the persistent current response is maximal, due to a subtle interplay of effects due to the barrier, the interaction and quantum fluctuations.
These results are relevant for ongoing experiments with ultracold atomic gases on mesoscopic rings.