Toroidal optical dipole traps for atomic Bose-Einstein condensates using Laguerre-Gaussian beams
arXiv:cond-mat/0008479 · doi:10.1103/PhysRevA.63.013608
Abstract
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 is also given.
12 pages, 5 figures, submitted to Phys. Rev. A
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