Nonlinear modes of a macroscopic quantum oscillator

Yuri S. Kivshar*, Tristram J. Alexander, Sergei K. Turitsyn

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


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.

Original languageEnglish
Pages (from-to)225-230
Number of pages6
JournalPhysics Letters A
Issue number4
Publication statusPublished - 1 Jan 2001


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