Dispersive hydrodynamics of nonlinear polarization waves in two-component Bose-Einstein condensates

Dispersive hydrodynamics of nonlinear polarization waves in two-component Bose-Einstein condensates
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双组分玻色-爱因斯坦凝聚体中非线性极化波的色散流体动力学

DOI:
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发表时间:
2016
期刊:
影响因子:
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通讯作者:
N. Pavloff
N. Pavloff
中科院分区:
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文献类型:
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作者:
T. Congy;A. Kamchatnov;N. Pavloff

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我们在物种内和物种间相互作用常数非常接近的极限下研究二组分玻色-爱因斯坦凝聚体的一维混合物。在混合-分离转变附近,偏振和密度动力学解耦。我们研究非线性极化波,表明它们遵循通用(即无参数)动力学描述,识别一种新型代数孤子,明确地编写简单的波解,并在这种背景下研究 Gurevich-Pitaevskii 问题。
We study one dimensional mixtures of two-component Bose-Einstein condensates in the limit where the intra-species and inter-species interaction constants are very close. Near the mixing-demixing transition the polarization and the density dynamics decouple. We study the nonlinear polarization waves, show that they obey a universal (i.e., parameter free) dynamical description, identify a new type of algebraic soliton, explicitly write simple wave solutions, and study the Gurevich-Pitaevskii problem in this context.
多组分玻色-爱因斯坦凝聚中的矢量暗-反暗孤立波
DOI: 10.1103/physreva.94.053617
发表时间: 2016
期刊: Physical Review A
影响因子: 2.9
作者:
Danaila, I.;Khamehchi, M. A.;Gokhroo, V.;Engels, P.;Kevrekidis, P. G.
通讯作者: Kevrekidis, P. G.