Research

Dark state cooling of atoms by superfluid immersion


Reference:

Griessner, A., Daley, A. J., Clark, S. R., Jaksch, D. and Zoller, P., 2006. Dark state cooling of atoms by superfluid immersion. Physical Review Letters, 97 (22), 220403.

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    Official URL:

    http://dx.doi.org/10.1103/PhysRevLett.97.220403

    Abstract

    We propose and analyse a scheme to cool atoms in an optical lattice to ultra-low temperatures within a Bloch band, and away from commensurate filling. The protocol is inspired by ideas from dark state laser cooling, but replaces electronic states with motional levels, and spontaneous emission of photons by emission of phonons into a Bose-Einstein condensate, in which the lattice is immersed. In our model, achievable temperatures correspond to a small fraction of the Bloch band width, and are much lower than the reservoir temperature.

    Details

    Item Type Articles
    CreatorsGriessner, A., Daley, A. J., Clark, S. R., Jaksch, D. and Zoller, P.
    DOI10.1103/PhysRevLett.97.220403
    Uncontrolled Keywordscond-mat.other,quant-ph
    DepartmentsFaculty of Science > Physics
    RefereedYes
    StatusPublished
    ID Code47158
    Additional Information4 pages, 4 figures, RevTeX 4

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