Collective oscillations of two colliding bose-einstein condensates |
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| Authors: | Maddaloni Modugno Fort Minardi Inguscio |
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| Institution: | INFM-European Laboratory for Non linear Spectroscopy (LENS) and Dipartimento di Fisica, Universita di Firenze, Largo E. Fermi 2, I-50125 Firenze, Italy. |
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| Abstract: | Two 87Rb condensates ( F = 2, m(f) = 2, and m(f) = 1) are produced in highly displaced harmonic traps and the collective dynamical behavior is investigated. The mutual interaction between the two condensates is evidenced in the center-of-mass oscillations as a frequency shift of 6.4(3)%. Calculations based on a mean-field theory well describe the observed effects of periodical collisions both on the center-of-mass motion and on the shape oscillations. |
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