Kink soliton dynamics in one-dimensional Bose-Einstein condensate with higher-order nonlinear interactions

被引：0
|
作者：
Jiao, Yubin [1 ]
Ran, Xiangyu [1 ]
Wang, Ying [1 ]
Liu, Xiaoning [1 ]
Wang, Wei [2 ]
机构：
[1] Jiangsu Univ Sci & Technol, Sch Sci, Zhenjiang 212100, Peoples R China
[2] Heriot Watt Univ Edinburgh, Sch Engn & Phys Sci, Inst Photon & Quantum Sci, Edinburgh EH14 4AS, Scotland
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2024年 / 38卷 / 14期
关键词：
Kink soliton; Gross-Pitaevskii equation; higher-order nonlinearity; NUMERICAL-SOLUTIONS; TRAVELING-WAVE; EQUATIONS; VECTOR;
D O I：
10.1142/S0217979224501807
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We investigated the soliton behavior in one-dimensional Bose-Einstein condensates. Based on the modified Gross-Pitaevskii equation (GPE) model with higher-order nonlinear interaction and through the F-expansion method, we derived the analytical kink soliton solution of the one-dimensional GPE. The typical kink soliton features under the specific experimental setting are identified, and the physical implication of the analytical results is also demonstrated. The derived theoretical results can be used to guide the experimental study of kink soliton in ultracold atomic systems with higher-order nonlinearity.
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页数：12
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