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Topological orbital superfluid with chiral d-wave order in a rotating optical lattice
Hao, Ningning1,2; Guo, Huaiming3; Zhang, Ping4,5
2017-08-21
发表期刊NEW JOURNAL OF PHYSICS
卷号19
摘要Topological superfluid is an exotic state of quantum matter that possesses a nodeless superfluid gap in the bulk and Andreev edge modes at the boundary of a finite system. Here, we study a multi-orbital superfluid driven by an attractive s-wave interaction in a rotating optical lattice. Interestingly, we find that the rotation induces the inter-orbital hybridization and drives the system into topological orbital superfluid in accordance with intrinsically chiral d-wave pairing characteristics. Thanks to the conservation of spin, the topological orbital superfluid supports four rather than two chiral Andreev edge modes at the boundary of the lattice. Moreover, we find that the intrinsic harmonic confining potential forms a circular spatial barrier which accumulates atoms and supports a mass current under the injection of small angular momentum as an external driving force. This feature provides an experimentally detectable phenomenon to verify the topological orbital superfluid with chiral d-wave order in a rotating optical lattice.
文章类型Article
关键词Topological Orbital Superfluid Optical Lattice Orbital Hybridization
WOS标题词Science & Technology ; Physical Sciences
资助者NSFC(11674331 ; NSFC(11674331 ; Ministry of Science and Technology of China(2017YFA0303200) ; Ministry of Science and Technology of China(2017YFA0303200) ; Talents Programme of the CAS ; Talents Programme of the CAS ; 11274032 ; 11274032 ; 11625415) ; 11625415) ; NSFC(11674331 ; NSFC(11674331 ; Ministry of Science and Technology of China(2017YFA0303200) ; Ministry of Science and Technology of China(2017YFA0303200) ; Talents Programme of the CAS ; Talents Programme of the CAS ; 11274032 ; 11274032 ; 11625415) ; 11625415)
DOI10.1088/1367-2630/aa7cea
关键词[WOS]TONKS-GIRARDEAU GAS ; FERMIONS ; STATES ; SUPERCONDUCTORS ; SYMMETRY ; BREAKING ; ATOMS
收录类别SCI
语种英语
资助者NSFC(11674331 ; NSFC(11674331 ; Ministry of Science and Technology of China(2017YFA0303200) ; Ministry of Science and Technology of China(2017YFA0303200) ; Talents Programme of the CAS ; Talents Programme of the CAS ; 11274032 ; 11274032 ; 11625415) ; 11625415) ; NSFC(11674331 ; NSFC(11674331 ; Ministry of Science and Technology of China(2017YFA0303200) ; Ministry of Science and Technology of China(2017YFA0303200) ; Talents Programme of the CAS ; Talents Programme of the CAS ; 11274032 ; 11274032 ; 11625415) ; 11625415)
WOS研究方向Physics
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000408189100003
引用统计
文献类型期刊论文
条目标识符http://ir.hfcas.ac.cn:8080/handle/334002/33615
专题中科院强磁场科学中心
作者单位1.Chinese Acad Sci, High Magnet Field Lab, Anhui Prov Key Lab Condensed Matter Phys Extreme, Hefei 230031, Anhui, Peoples R China
2.Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Jiangsu, Peoples R China
3.Beihang Univ, Dept Phys, Beijing 100191, Peoples R China
4.Inst Appl Phys & Computat Math, Beijing 100088, Peoples R China
5.Beijing Computat Sci Res Ctr, Beijing 100193, Peoples R China
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Hao, Ningning,Guo, Huaiming,Zhang, Ping. Topological orbital superfluid with chiral d-wave order in a rotating optical lattice[J]. NEW JOURNAL OF PHYSICS,2017,19.
APA Hao, Ningning,Guo, Huaiming,&Zhang, Ping.(2017).Topological orbital superfluid with chiral d-wave order in a rotating optical lattice.NEW JOURNAL OF PHYSICS,19.
MLA Hao, Ningning,et al."Topological orbital superfluid with chiral d-wave order in a rotating optical lattice".NEW JOURNAL OF PHYSICS 19(2017).
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