Excitation spectroscopy of vortex lattices in a rotating Bose-Einstein condensate

Details Excitation spectroscopy of vortex lattices in a rotating Bose-Einstein condensate Excitation spectroscopy of vortex lattices in a rotating Bose-Einstein condensate

2003-08-21

arxiv.org/abs/cond-mat/0308431v1

Phys. Rev. Lett. 92, 170402 (2004)

Physics

Condensed Matter

Soft Condensed Matter

4 pages, 4 figures. Submitted for publication

Scientific paper

10.1103/PhysRevLett.92.170402

Excitation spectroscopy of vortex lattices in rotating Bose-Einstein condensates is described. We numerically obtain the Bogoliubov-deGenne quasiparticle excitations for a broad range of energies and analyze them in the context of the complex dynamics of the system. Our work is carried out in a regime in which standard hydrodynamic assumptions do not hold, and includes features not readily contained within existing treatments.

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