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Thursday, May 14, 2009
3:00 PM - 4:00 PM
Building 524 Conference Room (formerly T-11)

Seminar

Many particle generalization of the Landau-Zener problem

Prof. Victor Gurarie
University of Colorado Boulder, Department of Physics and Astronomy

An old theorem in quantum mechanics states that if the parameters of a system are changed sufficiently slowly, the system remains in its ground state. However, if the system is large, a natural question arises: how slow is slow enough. In this talk, I will introduce an interesting many particle system which does not want to stay in its ground state unless its parameters change at an exceedingly slow rate. The system, a version of a time-dependent Dicke model, arises in a variety of contexts in cold atoms, quantum optics, and condensed matter physics.

Host: Nikolai Sinitsyn (5-3175)