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Special Issue:
SPECIAL TOPIC — Celebrating the 100th Anniversary of Physics Discipline of Northwest University
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| SPECIAL TOPIC—Celebrating the 100th Anniversary of Physics Discipline of Northwest University |
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Special breathing structures induced by bright solitons collision in a binary dipolar Bose-Einstein condensates |
| Gen Zhang(张根)1,2, Li-Zheng Lv(吕李政)1,2, Peng Gao(高鹏)3, and Zhan-Ying Yang(杨战营)1,2,4,† |
1 School of Physics, Northwest University, Xi'an 710127, China;
2 Shaanxi Key Laboratory for Theoretical Physics Frontiers, Xi'an 710127, China;
3 Graduate School, China Academy of Engineering Physics, Beijing 100193, China;
4 Peng Huanwu Center for Fundamental Theory, Xi'an 710127, China |
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Abstract We numerically investigate the breathing dynamics induced by collision between bright solitons in a binary dipolar Bose-Einstein condensates, whose dipole-dipole interaction and contact interaction are attractive. We identify three special breathing structures, such as snakelike special breathing structure, mixed breathing structure, and divide breathing structure. The characteristics of these breathing structures can be described by breathing frequency Ω, maximum breathing amplitude A and lifetime τ, which can be manipulated by atomic number Ni and interspecies scattering length a12. Meanwhile, the above breathing structures can realize the process of quasi-transition with a reasonable Ni and a12. Additionally, the collision of two special breathing structures also can bring more abundant breathing dynamics. Our results provide a reference for the study of soliton interactions and deepen the understanding of soliton properties in a binary dipolar Bose-Einstein condensates.
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Received: 30 June 2023
Revised: 12 August 2023
Accepted manuscript online: 22 August 2023
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PACS:
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03.75.Mn
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(Multicomponent condensates; spinor condensates)
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05.45.-a
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(Nonlinear dynamics and chaos)
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34.50.Cx
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(Elastic; ultracold collisions)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 12247103, 12275213, and 12247110). |
Corresponding Authors:
Zhan-Ying Yang
E-mail: zyyang@nwu.edu.cn
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Cite this article:
Gen Zhang(张根), Li-Zheng Lv(吕李政), Peng Gao(高鹏), and Zhan-Ying Yang(杨战营) Special breathing structures induced by bright solitons collision in a binary dipolar Bose-Einstein condensates 2023 Chin. Phys. B 32 110303
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