Quadrupolar matter-wave soliton in two-dimensional free space

被引：19
|
作者：
Huang, Jia-Sheng [1 ]
Jiang, Xun-Da [1 ]
Chen, Huai-Yu [1 ]
Fan, Zhi-Wei [1 ]
Pang, Wei [2 ]
Li, Yong-Yao [1 ]
机构：
[1] South China Agr Univ, Coll Elect Engn, Dept Appl Phys, Guangzhou 510642, Guangdong, Peoples R China
[2] Guangdong Univ Technol, Dept Expt Teaching, Guangzhou 510006, Guangdong, Peoples R China
来源：
FRONTIERS OF PHYSICS | 2015年 / 10卷 / 04期
基金：
中国国家自然科学基金;
关键词：
2D matter-wave solitons; quadrupole-quadrupole interaction; anisotropy soliton-soliton interaction; dipole solitons; DISCRETE SOLITONS; FESHBACH RESONANCE; DARK SOLITONS; BOSE; DYNAMICS; LATTICES; ARRAYS;
D O I：
10.1007/s11467-015-0501-1
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We study two-dimensional (2D) matter-wave solitons in the mean-field models formed by electric quadrupole particles with long-range quadrupole-quadrupole interaction (QQI) in 2D free space. The existence of 2D matter-wave solitons in the free space was predicted using the 2D Gross-Pitaevskii Equation (GPE). We find that the QQI solitons have a higher mass (smaller size and higher intensity) and stronger anisotropy than the dipole-dipole interaction (DDI) solitons under the same environmental parameters. Anisotropic soliton-soliton interaction between two identical QQI solitons in 2D free space is studied. Moreover, stable anisotropic dipole solitons are observed, to our knowledge, for the first time in 2D free space under anisotropic nonlocal cubic nonlinearity.
引用
收藏
页码：1 / 7
页数：7
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