Schedule May 12, 2004
Alternative routes to novel vortex physics in ultracold gases
Erich Mueller (Cornell University)

By now the cold gas community is well acquainted with the idea of rotating a cloud of cold bosonic atoms at very high speeds to produce analogs of quantum-Hall states, where quantum fluctuations disorder the vortex lattice. I will talk about other possible routes for producing unusual states of matter in rotating gases. These include introducing spin degrees of freedom, scattering resonances, periodic potentials, and finite temperature. I will include both positive results (where exciting phenomena can be observed) and negative results (where promising directions appear to be blocked by insurmountable barriers) with a goal of sparking heated discussions.

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