Dynamic evolution of vortex solitons for coupled Bose-Einstein condensates in harmonic potential trap

Ying Wang; Yang Yang; Siqing He; Wei Wang

doi:10.1063/1.5001157

Dynamic evolution of vortex solitons for coupled Bose-Einstein condensates in harmonic potential trap

Ying Wang, Yang Yang, Siqing He, Wei Wang

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Abstract

We studied the evolution of vortex solitons in two-component coupled Bose-Einstein condensates trapped in a harmonic potential. Using a two-dimensional coupled Gross-Pitaevskii equation model and a variational method, we theoretically derived the vortex soliton solution. Under an appropriate parametric setting, the derived vortex soliton radius was found to oscillate periodically. The derived quasi-stable states with typical nonlinear features are pictorially demonstrated and can be used to guide relevant experimental observations of vortex soliton phenomena in coupled ultracold atomic systems.

Original language	English
Journal	AIP Advances
Volume	7
Issue number	10
Early online date	13 Oct 2017
DOIs	https://doi.org/10.1063/1.5001157
Publication status	E-pub ahead of print - 13 Oct 2017

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© 2017 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). https://doi.org/10.1063/1.5001157
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title = "Dynamic evolution of vortex solitons for coupled Bose-Einstein condensates in harmonic potential trap",

abstract = "We studied the evolution of vortex solitons in two-component coupled Bose-Einstein condensates trapped in a harmonic potential. Using a two-dimensional coupled Gross-Pitaevskii equation model and a variational method, we theoretically derived the vortex soliton solution. Under an appropriate parametric setting, the derived vortex soliton radius was found to oscillate periodically. The derived quasi-stable states with typical nonlinear features are pictorially demonstrated and can be used to guide relevant experimental observations of vortex soliton phenomena in coupled ultracold atomic systems.",

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AU - He, Siqing

AU - Wang, Wei

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N2 - We studied the evolution of vortex solitons in two-component coupled Bose-Einstein condensates trapped in a harmonic potential. Using a two-dimensional coupled Gross-Pitaevskii equation model and a variational method, we theoretically derived the vortex soliton solution. Under an appropriate parametric setting, the derived vortex soliton radius was found to oscillate periodically. The derived quasi-stable states with typical nonlinear features are pictorially demonstrated and can be used to guide relevant experimental observations of vortex soliton phenomena in coupled ultracold atomic systems.

AB - We studied the evolution of vortex solitons in two-component coupled Bose-Einstein condensates trapped in a harmonic potential. Using a two-dimensional coupled Gross-Pitaevskii equation model and a variational method, we theoretically derived the vortex soliton solution. Under an appropriate parametric setting, the derived vortex soliton radius was found to oscillate periodically. The derived quasi-stable states with typical nonlinear features are pictorially demonstrated and can be used to guide relevant experimental observations of vortex soliton phenomena in coupled ultracold atomic systems.

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JF - AIP Advances

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Dynamic evolution of vortex solitons for coupled Bose-Einstein condensates in harmonic potential trap

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