Self-organization of a Bose-Einstein condensate in an optical cavity
arXiv:0801.4771 · doi:10.1140/epjd/e2008-00074-6
Abstract
The spatial self-organization of a Bose-Einstein condensate (BEC) in a high-finesse linear optical cavity is discussed. The condensate atoms are laser-driven from the side and scatter photons into the cavity. Above a critical pump intensity the homogeneous condensate evolves into a stable pattern bound by the cavity field. The transition point is determined analytically from a mean-field theory. We calculate the lowest lying Bogoliubov excitations of the coupled BEC-cavity system and the quantum depletion due to the atom-field coupling.
11 pages, final version. Accepted for publication in EPJD
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