中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
One-dimensional quantum droplets under space-periodic nonlinear management

文献类型:期刊论文

作者Chen, Junbo1,2; Zeng, Jianhua1,2
刊名RESULTS IN PHYSICS
出版日期2021-02-01
卷号21页码:7
关键词Quantum droplets Bose-Einstein condensates Solitons Feshbach resonance Nonlinear management Gross-Pitaevskii equation Nonlinear lattices
ISSN号2211-3797
DOI10.1016/j.rinp.2020.103781
产权排序1
英文摘要

Quantum droplets have recently emerged as a novel liquid state of matter in a mixture of two-component ultracold Bose gases under the equilibrium condition between the competing attractive inter- and repulsive intraspecies forces. Quantum droplets represent a self-bound liquid state in purely nonlinear systems and as such there is not any management applied to their study up to now. We here introduce the nonlinear management via space-periodic Feshbach resonance technique to a binary Bose-Einstein condensate and investigate theoretically the structure, property and dynamics of the one-dimensional quantum droplets therein, three findings are made: small droplets with single hump (solitonlike), moderate droplets composed of two solitons, large droplets feature a modulated flat-top shape. Particularly, by means of linear-stability and direct perturbed simulations, we prove that the droplets have a much wider stable region than their counterparts without taking the nonlinear management. The variational approximation is adopted and validated with numerical results in terms of small droplets. The results predicted here may be realized in the frontier ultracold atoms experiments aided by Feshbach-resonance, opening up a new channel to the quantum droplets studies.

资助项目National Natural Science Foundation of China (NSFC)[61690222] ; National Natural Science Foundation of China (NSFC)[61690224] ; National Natural Science Foundation of China (NSFC)[12074423] ; Major Science and Technology Infrastructure Pre-research Program of the CAS[J20-021-III] ; Natural Science Basic Research Program of Shaanxi[2019JCW-03] ; Key Deployment Research Program of XIOPM[S19-020-III]
WOS研究方向Materials Science ; Physics
语种英语
WOS记录号WOS:000630949400015
出版者ELSEVIER
资助机构National Natural Science Foundation of China (NSFC) ; Major Science and Technology Infrastructure Pre-research Program of the CAS ; Natural Science Basic Research Program of Shaanxi ; Key Deployment Research Program of XIOPM
源URL[http://ir.opt.ac.cn/handle/181661/94650]  
专题西安光学精密机械研究所_瞬态光学技术国家重点实验室
通讯作者Zeng, Jianhua
作者单位1.Chinese Acad Sci, State Key Lab Transient Opt & Photon, Xian Inst Opt & Precis Mech, Xian 710119, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Chen, Junbo,Zeng, Jianhua. One-dimensional quantum droplets under space-periodic nonlinear management[J]. RESULTS IN PHYSICS,2021,21:7.
APA Chen, Junbo,&Zeng, Jianhua.(2021).One-dimensional quantum droplets under space-periodic nonlinear management.RESULTS IN PHYSICS,21,7.
MLA Chen, Junbo,et al."One-dimensional quantum droplets under space-periodic nonlinear management".RESULTS IN PHYSICS 21(2021):7.

入库方式: OAI收割

来源:西安光学精密机械研究所

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