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Six types of spin solitons in three-component Bose-Einstein condensates

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Exact analytical solutions are good candidates for studying and explaining the dynamics of solitons in nonlinear systems.We further extend the region of existence of spin solitons in the nonlinearity coefficient space for the spin-1 Bose-Einstein condensate.Six types of spin soliton solutions can be obtained,and they exist in different regions.Stability analysis and numerical simulation results indicate that three types of spin solitons are stable against weak noise.The non-integrable properties of the model can induce shape oscillation and increase in speed after the collision between two spin solitons.These results further enrich the soliton family for non-integrable models and can provide theoretical references for experimental studies.

Bose-Einstein condensatenon-integrablespin solitonexact analytical solution

Yu-Hao Wang、Ling-Zheng Meng、Li-Chen Zhao

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School of Physics,Northwest University,Xi'an 710127,China

School of Science,Xi'an Technological University,Xi'an 710032,China

Peng Huanwu Center for Fundamental Theory,Xi'an 710127,China

National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaMajor Basic Research Program of Natural Science of Shaanxi Province

Contract 12375005122350072018KJXX-094

2024

10.1088/1572-9494/ad3906

理论物理通讯(英文版)
中国科学院理论物理研究所 中国物理学会

理论物理通讯(英文版)

CSTPCD
影响因子：0.333
ISSN：0253-6102
年,卷(期)：2024.76(6)