Nonlinear modes of a macroscopic quantum oscillator

Alexander, Tristram J; Turitsyn, S; Kivshar, Yuri

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Nonlinear modes of a macroscopic quantum oscillator

Date

2001

Authors

Alexander, Tristram J

Turitsyn, S

Kivshar, Yuri

Publisher

Elsevier

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.