Dipole oscillations in a Bose-Fermi mixture in the time-dependent approach |
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| Authors: | T Maruyama G F Bertsch |
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| Institution: | (1) Institute for Nuclear Theory, University of Washington, Seattle, Washington 98195, USA;(2) College of Bioresource Sciences, Nihon University, Fujisawa 252-8510, Japan;(3) Advanced Science Research Center, Japan Atomic Energy Research Institute, Tokai 319-1195, Japan |
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| Abstract: | We study the dipole collective oscillations in a Bose-Fermi mixture, which are formulated with the time-dependent Gross-Pitaevskii equation and the Vlasov equation, using a dynamical time-dependent approach. We find a large difference in the behavior of fermion oscillations between the time-dependent approach and the usual approaches such as the random-phase approximation. The dipole oscillation of the Bose-Fermi mixture cannot be described with simple center-of-mass motions of the two gases. |
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