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Tunable ground-state solitons in spin-orbit coupling Bose-Einstein condensates in the presence of optical lattices |
| Huafeng Zhang(张华峰)1,2, Fang Chen(陈方)1,2, Chunchao Yu(郁春潮)1,2, Lihui Sun(孙利辉)1,2, Dahai Xu(徐大海)2 |
1 Institute of Quantum Optics and Information Photonics, Yangtze University, Jingzhou 434023, China;
2 School of Physics and Optoelectronic Engineering, Yangtze University, Jingzhou 434023, China |
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Abstract Properties of the ground-state solitons, which exist in the spin-orbit coupling (SOC) Bose-Einstein condensates (BEC) in the presence of optical lattices, are presented. Results show that several system parameters, such as SOC strength, lattice depth, and lattice frequency, have important influences on properties of ground state solitons in SOC BEC. By controlling these parameters, structure and spin polarization of the ground-state solitons can be effectively tuned, so manipulation of atoms may be realized.
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Received: 19 February 2017
Revised: 12 April 2017
Accepted manuscript online:
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PACS:
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03.75.Be
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(Atom and neutron optics)
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03.75.Hh
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(Static properties of condensates; thermodynamical, statistical, and structural properties)
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03.75.Lm
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(Tunneling, Josephson effect, Bose-Einstein condensates in periodic potentials, solitons, vortices, and topological excitations)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 11547007 and 11304024), the Yangtze Youth Fund (Grant No. 2016cqn55), and the Yangtze Fund for Youth Teams of Science and Technology Innovation (Grant No. 2015cqt03). |
Corresponding Authors:
Huafeng Zhang
E-mail: hfzhang@yangtzeu.edu.cn
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| About author: 0.1088/1674-1056/26/8/ |
Cite this article:
Huafeng Zhang(张华峰), Fang Chen(陈方), Chunchao Yu(郁春潮), Lihui Sun(孙利辉), Dahai Xu(徐大海) Tunable ground-state solitons in spin-orbit coupling Bose-Einstein condensates in the presence of optical lattices 2017 Chin. Phys. B 26 080304
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