Nonautonomous matter waves in a waveguide

Nonautonomous matter waves in a waveguide
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波导中的非自主物质波

DOI:
10.1103/physreva.84.023627
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发表时间:
2011-08
期刊:
影响因子:
2.9
通讯作者:
Liu, W. M.
Liu, W. M.
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Yan, Zhenya;Zhang, Xiao-Fei;Liu, W. M.

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我们提出了一个物理模型,描述了玻色-爱因斯坦凝聚原子从储存池到波导的输运。利用相似变换和莫比乌斯变换,我们研究了存在非均匀源时玻色-爱因斯坦凝聚体中的非自治物质波。然后,我们求出了它的各种精确的非自治物质波解,包括W形亮孤立波、W形暗孤立波和U形暗孤立波、周期波解和有理孤立波。结果表明,这些不同类型的物质波结构可以通过调制源的幅度来产生和有效地控制。我们的结果可能会增加一些与玻色-爱因斯坦凝聚体相关的实验和潜在应用的可能性。
We present a physical model that describes the transport of Bose-Einstein-condensed atoms from a reservoir to a waveguide. By using the similarity and Mobius transformations, we study nonautonomous matter waves in Bose-Einstein condensates in the presence of an inhomogeneous source. Then, we find its various types of exact nonautonomous matter-wave solutions, including the W-shaped bright solitary waves, W-shaped and U-shaped dark solitary waves, periodic wave solutions, and rational solitary waves. The results show that these different types of matter-wave structures can be generated and effectively controlled by modulating the amplitude of the source. Our results may raise the possibility of some experiments and potential applications related to Bose-Einstein condensates in the presence of an inhomogeneous source.
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发表时间: 2004
期刊: --
影响因子: --
作者:
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