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Contact Theory for Spin-Orbit-Coupled Fermi Gases

文献类型：期刊论文

作者Peng, Shi-Guo2; Zhang, Cai-Xia2,4; Tan, Shina1,3; Jiang, Kaijun1,2
刊名PHYSICAL REVIEW LETTERS
出版日期2018-02-09
卷号120期号:6
ISSN号0031-9007
DOI10.1103/PhysRevLett.120.060408
文献子类Article
英文摘要We develop the contact theory for spin-orbit-coupled Fermi gases. By using a perturbation method, we derive analytically the universal two-body behavior at short distance, which does not depend on the short-range details of interatomic potentials. We find that two new scattering parameters need to be introduced because of spin-orbit coupling, besides the traditional s-and p-wave scattering length (volume) and effective ranges. This is a general and unique feature for spin-orbit-coupled systems. Consequently, two new adiabatic energy relations with respect to the new scattering parameters are obtained, in which a new contact is involved because of spin-orbit coupling. In addition, we derive the asymptotic behavior of the large-momentum distribution, and find that the subleading tail is corrected by the new contact. This work paves the way for exploring the profound properties of spin-orbit-coupled many-body systems, according to two-body solutions.
WOS关键词TOPOLOGICAL INSULATORS
WOS研究方向Physics
语种英语
WOS记录号WOS:000424632100001
出版者AMER PHYSICAL SOC
资助机构NKRDP (National Key Research and Development Program)(2016YFA0301503) ; NKRDP (National Key Research and Development Program)(2016YFA0301503) ; NSFC(11474315 ; NSFC(11474315 ; U.S. National Science Foundation CAREER award(PHY-1352208) ; U.S. National Science Foundation CAREER award(PHY-1352208) ; 11674358 ; 11674358 ; 11434015 ; 11434015 ; 91336106) ; 91336106) ; NKRDP (National Key Research and Development Program)(2016YFA0301503) ; NKRDP (National Key Research and Development Program)(2016YFA0301503) ; NSFC(11474315 ; NSFC(11474315 ; U.S. National Science Foundation CAREER award(PHY-1352208) ; U.S. National Science Foundation CAREER award(PHY-1352208) ; 11674358 ; 11674358 ; 11434015 ; 11434015 ; 91336106) ; 91336106) ; NKRDP (National Key Research and Development Program)(2016YFA0301503) ; NKRDP (National Key Research and Development Program)(2016YFA0301503) ; NSFC(11474315 ; NSFC(11474315 ; U.S. National Science Foundation CAREER award(PHY-1352208) ; U.S. National Science Foundation CAREER award(PHY-1352208) ; 11674358 ; 11674358 ; 11434015 ; 11434015 ; 91336106) ; 91336106) ; NKRDP (National Key Research and Development Program)(2016YFA0301503) ; NKRDP (National Key Research and Development Program)(2016YFA0301503) ; NSFC(11474315 ; NSFC(11474315 ; U.S. National Science Foundation CAREER award(PHY-1352208) ; U.S. National Science Foundation CAREER award(PHY-1352208) ; 11674358 ; 11674358 ; 11434015 ; 11434015 ; 91336106) ; 91336106)
源URL[http://ir.wipm.ac.cn/handle/112942/12860]  
专题中国科学院武汉物理与数学研究所
通讯作者Tan, Shina; Jiang, Kaijun
作者单位1.Chinese Acad Sci, Ctr Cold Atom Phys, Wuhan 430071, Hubei, 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
3.Georgia Inst Technol, Sch Phys, Atlanta, GA 30332 USA
4.Univ Chinese Acad Sci, Sch Phys, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Peng, Shi-Guo,Zhang, Cai-Xia,Tan, Shina,et al. Contact Theory for Spin-Orbit-Coupled Fermi Gases[J]. PHYSICAL REVIEW LETTERS,2018,120(6).
APA Peng, Shi-Guo,Zhang, Cai-Xia,Tan, Shina,&Jiang, Kaijun.(2018).Contact Theory for Spin-Orbit-Coupled Fermi Gases.PHYSICAL REVIEW LETTERS,120(6).
MLA Peng, Shi-Guo,et al."Contact Theory for Spin-Orbit-Coupled Fermi Gases".PHYSICAL REVIEW LETTERS 120.6(2018).

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来源：武汉物理与数学研究所

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