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Your search keyword '"Zhao, Li-Chen"' showing total 23 results
Start Over Author "Zhao, Li-Chen" Publisher iop publishing
23 results on '"Zhao, Li-Chen"'

22. 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

23. Dynamics of Bright Solitons in Bose–Einstein Condensates with Complicated Potential

Author

Shi Kang-Jie, Zhang Tao, Zhao Li-Chen, and Yang Zhan-Ying

Subjects
Condensed Matter::Quantum Gases, Physics, Range (particle radiation), Oscillation, General Physics and Astronomy, law.invention, Schrödinger equation, Nonlinear system, symbols.namesake, Gravitational field, law, Quantum mechanics, Quantum electrodynamics, Thermal, symbols, Soliton, Bose–Einstein condensate
Abstract

We present analytical solutions of the one-dimensional nonlinear Schrodinger equations of Bose–Einstein condensates in an expulsive parabolic background with a complex potential and gravitational field, by performing the Darboux transformation from a trivial seed solution. It is shown that under a safe range of parameter, the shape of bright soliton can be controlled well by adjusting the experimental parameter of the ratio of axial oscillation to radial oscillation and feeding condensates from a thermal cloud. The gravitational field can change the contrail of the bright soliton trains without changing their peak and width.

Published
2009

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