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<b>CM-AMO Seminar</b><br><i>Bose-Einstein Condensation of Polaritons in a Trap</i>

Tuesday, November 17, 2009
12:00 AM
335 West Hall

Speaker: David Snoke (Pittsburgh University)

Polaritons are bosonic quasiparticles in solids. In specially designed structures with microcavities, they can be tailored to have a very light effective mass (much less than a free electron mass) and to have a weak repulsive interaction. In the past few years, a number of experimental groups have shown results consistent with Bose-Einstein condensation of polaritons. The main complication is the short lifetime, which gives incomplete thermalization. Professor Snoke will present results from his team's experiments with two-dimensional harmonic traps for polaritons, which are analogous to Bose-Einstein condensation of atoms in traps.