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Start Over Author "Zhao, Li-Chen" Journal chinese physics b
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6. Stabilised bright solitons in Bose–Einstein condensates in an expulsive parabolic and complex potential

Author

Zhao Li-Chen, Yue Rui-Hong, Zhang Tao, and Yang Zhan-Ying

Subjects
Physics, Oscillation, Time evolution, General Physics and Astronomy, law.invention, symbols.namesake, Nonlinear Sciences::Exactly Solvable and Integrable Systems, Transformation (function), Amplitude, law, Quantum electrodynamics, Quantum mechanics, symbols, Matter wave, Soliton, Nonlinear Sciences::Pattern Formation and Solitons, Nonlinear Schrödinger equation, Bose–Einstein condensate
Abstract

The exact solitonic solutions of the one-dimensional nonlinear Schrodinger equation, which describes the dynamics of bright soliton in Bose–Einstein condensates with the time-dependent interaction in an expulsive parabolic and complex potential, are obtained by Darboux transformation. The results show that one can compress a bright soliton into an assumed peak of matter wave density by adusting the experimental parameter of the ratio of axial oscillation to radial oscillation or feeding parameter. Especially, when parameters satisfy the relation λ = 2γ, the soliton is stable with time evolution without changing its shape and amplitude.

Published
2010

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