Collective oscillations of two colliding Bose-Einstein condensates

Year: 2000

Authors: Maddaloni P., Modugno M., Fort C., Minardi F., Inguscio M.

Autors Affiliation: INFM – European Laboratory for Non linear Spectroscopy (LENS) and Dipartimento di Fisica,
Università di Firenze, Largo E. Fermi 2, I-50125 Firenze, Italy

Abstract: Two Rb-87 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.


Volume: 85      Pages from: 2413  to: 2417

KeyWords: Condensation; Numerical analysis; Oscillations; Rubidium, Bose-Einstein condensates, Quantum theory
DOI: 10.1103/PhysRevLett.85.2413

Citations: 127
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