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Condensed Matter Seminars

ics Condensed Matter
Thursday, January 27, 2005
4:00 PM
Physics Building, Room 204
Note special time.
Note special room.
Anatoli Polkovnikov [Host: Paul Fendley]
Harvard University
"Superfluid-Insulator Transition in a Moving System of Interacting Bosons"
ABSTRACT:
Cold atomic systems with their high tunability and nearly perfect isolation from environment became very attractive for studying strongly correlated systems. Particularly exciting is the possibility to address problems of quantum dynamics far from equilibrium, which are beyond the reach of conventional condensed matter systems. Most of theoretical studies of dynamics in these systems employ essentially classical (Gross-Pitaevskii) equations of motion. At the same time in quilibrium a lot is known about various quantum regimes, where the classical description does not work. In this talk I will discuss a problem where both quantum and dynamic effects are important. In particular, I will describe a moving system of interacting bosons in a periodic optical lattice potential and generalize the conventional superfluid-Mott insulator transition to this highly non-equilibrium situation. I will discuss implications of our results to recent and future experiments.

To add a speaker, send an email to phys-speakers@Virginia.EDU. Please include the seminar type (e.g. Condensed Matter Seminars), date, name of the speaker, title of talk, and an abstract (if available).