Nonlinear modes of a macroscopic quantum oscillator
Yu. S. Kivshar, T. J. Alexander, and S. K. Turitsyn,
Phys. Lett. A 278, 225-230 (2001).
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Abstract: We consider the Bose-Einstein condensate in a parabolic trap as a macroscopic quantum oscillator and describe, analytically and numerically, its collective modes - a nonlinear generalisation of the (symmetric and antisymmetric) Hermite-Gauss eigenmodes of a harmonic quantum oscillator.
Keywords: bose-einstein condensation; optical solitons; atoms; gas
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