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  • Title: Anomalous Hall conductivity from the dipole mode of spin-orbit-coupled cold-atom systems.
    Author: van der Bijl E, Duine RA.
    Journal: Phys Rev Lett; 2011 Nov 04; 107(19):195302. PubMed ID: 22181618.
    Abstract:
    Motivated by recent experiments by Lin et al., [Nature (London) 471, 83 (2011)] that engineered spin-orbit coupling in ultracold mixtures of bosonic atoms, we study the dipole oscillation of trapped spin-orbit-coupled noncondensed Bose and Fermi gases. We find that different directions of oscillation are coupled by the spin-orbit interactions. The phase difference between oscillatory motion in orthogonal directions and the trapping frequencies of the modes are shown to be related to the anomalous Hall conductivity. Our results can be used to experimentally determine the anomalous Hall conductivity for cold-atom systems.
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