Phys. Rev. A 63, 013608 (2000) [7 pages]Toroidal optical dipole traps for atomic Bose-Einstein condensates using Laguerre-Gaussian beamsReceived 28 August 2000; published 12 December 2000 We theoretically investigate the use of red-detuned Laguerre-Gaussian (LG) laser beams of varying azimuthal mode index for producing toroidal optical dipole traps in two-dimensional atomic Bose-Einstein condensates. Higher-order LG beams provide deeper potential wells and tighter confinement for a fixed toroid radius and laser power. Numerical simulations of the loading of the toroidal trap from a variety of initial conditions are also given. © 2000 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.63.013608
DOI:
10.1103/PhysRevA.63.013608
PACS:
03.75.Fi, 05.30.Jp
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