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Li, GQ; Chen, GD; Peng, P; Li, Z; Bai, XD; Li, GQ (reprint author), Xi An Jiao Tong Univ, Dept Appl Phys, Xian 710049, Shaanxi, Peoples R China.; Li, GQ (reprint author), Xi An Jiao Tong Univ, Key Lab Quantum Informat & Quantum Optoelect Devi, Xian 710049, Shaanxi, Peoples R China.; Li, GQ (reprint author), Shaanxi Univ Sci & Technol, Sch Arts & Sci, Xian 710021, Shaanxi, Peoples R China.
Modulation instability of a spin-1 Bose-Einstein condensate with spin-orbit coupling
Source PublicationJOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS
Language英语
KeywordBose-einstein Condensate Spinor Gases Spin-orbit Coupling Modulation Instability
AbstractWe investigate the modulation instability (MI) of plane-wave states in a spin-orbit-coupled spin-1 Bose-Einstein condensate (BEC). The MI of the system can be adjusted by the intensities of the spin-orbit coupling (SOC), Raman coupling and atom-atom interactions. Our analysis shows that the MI of a system without the SOC and Raman coupling mainly occurs for repulsive density-density and spin-exchange interactions due to the combined effects coming from both of them. But when considering the SOC, a multi-peak structure appears in the momentum distribution for the instability, which may be thought of as a precursor to the generation of the stripe-type nonlinear excitations in such systems. The MI becomes more remarkable with increasing intensity of Raman coupling. In addition, the SOC inevitably contributes to the instability for the ternary superfluid regardless of the nature of the density-density and spin-exchange interactions.
2017
Volume50Issue:23Pages:235302
Subject AreaOptics ; Physics
DOIhttp://dx.doi.org/10.1088/1361-6455/aa92b7
Funding OrganizationNational Natural Science Foundation of China [11405100, 11704132] ; National Natural Science Foundation of China [11405100, 11704132] ; National Natural Science Foundation of China [11405100, 11704132] ; National Natural Science Foundation of China [11405100, 11704132] ; Natural Science Basic Research Plan in Shaanxi Province of China [2015JM1032] ; Natural Science Basic Research Plan in Shaanxi Province of China [2015JM1032] ; Natural Science Basic Research Plan in Shaanxi Province of China [2015JM1032] ; Natural Science Basic Research Plan in Shaanxi Province of China [2015JM1032]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/21920
Collection理论物理所科研产出_SCI论文
Corresponding AuthorLi, GQ (reprint author), Xi An Jiao Tong Univ, Dept Appl Phys, Xian 710049, Shaanxi, Peoples R China.; Li, GQ (reprint author), Xi An Jiao Tong Univ, Key Lab Quantum Informat & Quantum Optoelect Devi, Xian 710049, Shaanxi, Peoples R China.; Li, GQ (reprint author), Shaanxi Univ Sci & Technol, Sch Arts & Sci, Xian 710021, Shaanxi, Peoples R China.
Recommended Citation
GB/T 7714
Li, GQ,Chen, GD,Peng, P,et al. Modulation instability of a spin-1 Bose-Einstein condensate with spin-orbit coupling[J]. JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS,2017,50(23):235302.
APA Li, GQ.,Chen, GD.,Peng, P.,Li, Z.,Bai, XD.,...&Li, GQ .(2017).Modulation instability of a spin-1 Bose-Einstein condensate with spin-orbit coupling.JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS,50(23),235302.
MLA Li, GQ,et al."Modulation instability of a spin-1 Bose-Einstein condensate with spin-orbit coupling".JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS 50.23(2017):235302.
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