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Exploring many-body physics with ultracold atoms

Abstract : By exploiting the versatility of ultracold atoms experiments, a variety of many-body phe- nomena can be studied. Ferromagnetism in a trapped ultracold gas of repulsively interacting fermions is considered within a local-density approximation and beyond, where energetic sig- natures indicate its onset. Transport of a Bose-Einstein condensate is explored experimentally in a tunable double-well potential, and a crossover from hydrodynamic to Josephson transport is observed as the barrier between condensates is raised. To add a degree of freedom for the manipulation of ultracold gases, two schemes for species-specific optical lattices are developed theoretically.
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Submitted on : Monday, December 20, 2010 - 6:04:24 PM
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  • HAL Id : tel-00548894, version 1


Lindsay Leblanc. Exploring many-body physics with ultracold atoms. Condensed Matter [cond-mat]. University of Toronto, 2010. English. ⟨tel-00548894⟩



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