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  • Kavoulakis, Georgios, et al. (author)
  • Rapidly rotating Bose-Einstein condensates in anharmonic potentials
  • 2003
  • In: New Journal of Physics. - : IOP Publishing. - 1367-2630. ; 5
  • Journal article (peer-reviewed)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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Type of publication
journal article (1)
Type of content
peer-reviewed (1)
Author/Editor
Kavoulakis, Georgios (1)
Baym, G (1)
University
Lund University (1)
Language
English (1)
Research subject (UKÄ/SCB)
Natural sciences (1)
Year
2003 (1)

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