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中国物理学会期刊

一维Tonks-Girardeau原子气区域中的亮孤子解

CSTR: 32037.14.aps.57.1343

Bright soliton solution in 1D Tonks-Girardeau gas

CSTR: 32037.14.aps.57.1343
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  • 利用玻色-费米图像,发现了一维Tonks-Girardeau气体的孤子解, 方法是在平均场近似的基础上,利用对称变换,将GP方程转化为高阶强相互作用的非线性薛定谔方程,之后解析求解这个含五次方的非线性薛定谔方程,得到一个亮孤子解,这对从实验上观测Tonks-Girardeau气体的孤子现象具有指导作用.

     

    Base on spherical symmetric trap treatment, we analyze how to change a generalized Gross-Pitaevskii equation to a quintic nonlinear Schrdinger equation. Analysing the nonlinear Schrdinger equation, we find a typical bright soliton solution in Tonks-Girardeau gas region. This will help experimental observations.

     

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