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Numrering	Referens	Omslagsbild	Hitta
1.	Kavoulakis, Georgios, et al. (författare) Rapidly rotating Bose-Einstein condensates in anharmonic potentials 2003 Ingår i: New Journal of Physics. - : IOP Publishing. - 1367-2630. ; 5 Tidskriftsartikel (refereegranskat)abstract Rapidly rotating Bose-Einstein condensates confined in anharmonic traps can exhibit a rich variety of vortex phases, including a vortex lattice, a vortex lattice with a hole, and a giant vortex. Using an augmented Thomas - Fermi variational approach to determine the ground state of the condensate in the rotating frame - valid for sufficiently strongly interacting condensates - we determine the transitions between these three phases for a quadratic- plus- quartic confining potential. Combining the present results with previous numerical simulations of small rotating condensates in such anharmonic potentials, we delineate the general structure of the zero-temperature phase diagram.

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