Properties of One-Dimensional Highly Polarized Fermi Gases | |
Cai, Xiao-Ming2; Song, Ya-Dong1,2 | |
刊名 | CHINESE PHYSICS LETTERS |
2018-10-01 | |
卷号 | 35期号:11页码:5 |
ISSN号 | 0256-307X |
DOI | 10.1088/0256-307X/35/11/110301 |
英文摘要 | Using both the exact Bethe ansatz method and the variational method, we study properties of the one-dimensional Fermi polaron. We focus on the binding energy, effective mass, momentum distributions, Tan contact and correlation functions. As the attraction increases, the impurity is more tightly bound and correlated with the surrounding particles, and the size of formed polaron decreases. In addition, compared with the Bethe ansatz method, the variational method is totally qualified to study the one-dimensional Fermi polaron. The intrinsic reason is that the number of particle-hole excitations in a Fermi sea, caused by a single impurity, is always rather small. The variational method can be well extended to other impurity systems. |
资助项目 | National Natural Science Foundation of China[11374331] ; National Natural Science Foundation of China[11304364] ; National Natural Science Foundation of China[11534014] |
WOS关键词 | POLARONS |
WOS研究方向 | Physics |
语种 | 英语 |
出版者 | IOP PUBLISHING LTD |
WOS记录号 | WOS:000452528400002 |
资助机构 | National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China |
内容类型 | 期刊论文 |
源URL | [http://ir.wipm.ac.cn/handle/112942/13490] |
专题 | 中国科学院武汉物理与数学研究所 |
通讯作者 | Cai, Xiao-Ming |
作者单位 | 1.Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China 2.Chinese Acad Sci, Wuhan Inst Phys & Math, State Key Lab Magnet Resonance & Atom & Mol Phys, Wuhan 430071, Hubei, Peoples R China |
推荐引用方式 GB/T 7714 | Cai, Xiao-Ming,Song, Ya-Dong. Properties of One-Dimensional Highly Polarized Fermi Gases[J]. CHINESE PHYSICS LETTERS,2018,35(11):5. |
APA | Cai, Xiao-Ming,&Song, Ya-Dong.(2018).Properties of One-Dimensional Highly Polarized Fermi Gases.CHINESE PHYSICS LETTERS,35(11),5. |
MLA | Cai, Xiao-Ming,et al."Properties of One-Dimensional Highly Polarized Fermi Gases".CHINESE PHYSICS LETTERS 35.11(2018):5. |
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