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Dissipative dynamics of atomic Hubbard models coupled to a phonon bath:Dark state cooling of atoms within a Bloch band of an optical lattice


Reference:

Griessner, A., Daley, A. J., Clark, S. R., Jaksch, D. and Zoller, P., 2007. Dissipative dynamics of atomic Hubbard models coupled to a phonon bath:Dark state cooling of atoms within a Bloch band of an optical lattice. New Journal of Physics, 9 (44).

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    Official URL:

    http://iopscience.iop.org/article/10.1088/1367-2630/9/2/044/meta;jsessionid=D5301D9D7F588834E94DBA38184FE363.c1

    Abstract

    We analyse a laser assisted sympathetic cooling scheme for atoms within the lowest Bloch band of an optical lattice. This scheme borrows ideas from sub-recoil laser cooling, implementing them in a new context in which the atoms in the lattice are coupled to a BEC reservoir. In this scheme, excitation of atoms between Bloch bands replaces the internal structure of atoms in normal laser cooling, and spontaneous emission of photons is replaced by creation of excitations in the BEC reservoir. We analyse the cooling process for many bosons and fermions, and obtain possible temperatures corresponding to a small fraction of the Bloch band width within our model. This system can be seen as a novel realisation of a many-body open quantum system.

    Details

    Item Type Articles
    CreatorsGriessner, A., Daley, A. J., Clark, S. R., Jaksch, D. and Zoller, P.
    DOI10.1088/1367-2630/9/2/044
    Uncontrolled Keywordscond-mat.other,quant-ph
    DepartmentsFaculty of Science > Physics
    Publisher Statement0612263v1: This is a submitted version of a manuscript published by IOP Publishing in Griessner, A, Daley, AJ, Clark, SR, Jaksch, D & Zoller, P 2007, 'Dissipative dynamics of atomic Hubbard models coupled to a phonon bath: Dark state cooling of atoms within a Bloch band of an optical lattice' New Journal of Physics, vol 9, no. 44., 10.1088/1367-2630/9/2/044
    RefereedYes
    StatusPublished
    ID Code47321
    Additional Information18 Pages, 16 Figures, ReVTeX 4

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