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Collective oscillations of two colliding Bose-Einstein condensates

P. Maddaloni·M. Modugno·C. Fort·F. Minardi·M. Inguscio
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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 behaviour 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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P. Maddaloni, M. Modugno, C. Fort, F. Minardi, M. Inguscio. 2000-05-24. Collective oscillations of two colliding Bose-Einstein condensates. https://doi.org/10.1103/physrevlett.85.2413

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