Heteronuclear Magnetisms with Ultracold Spinor Bosonic Gases in Optical Lattices

被引:0
|
作者
Li, Yongqiang [1 ,2 ]
Xing, Chengkun [3 ]
Gong, Ming [4 ,5 ,6 ]
Guo, Guangcan [4 ,5 ,6 ]
Yuan, Jianmin [1 ,7 ]
机构
[1] Natl Univ Def Technol, Dept Phys, Changsha 410073, Peoples R China
[2] Natl Univ Def Technol, Hunan Key Lab Extreme Matter & Applicat, Changsha 410073, Peoples R China
[3] Univ Sci & Technol China, Key Lab Quantum Informat CAS, Hefei 230026, Peoples R China
[4] Univ Sci & Technol China, CAS Key Lab Quantum Informat, Hefei 230026, Peoples R China
[5] Univ Sci & Technol China, Synerget Innovat Ctr Quantum Informat & Quantum Ph, Hefei 230026, Peoples R China
[6] Univ Sci & Technol China, Hefei Natl Lab, Hefei 230088, Peoples R China
[7] China Acad Engn Phys, Dept Phys, Grad Sch, Beijing 100193, Peoples R China
基金
中国国家自然科学基金;
关键词
BOSE; DYNAMICS;
D O I
10.1088/0256-307X/41/2/026701
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Motivated by recent realizations of spin-1 NaRb mixtures in the experiments [Phys. Rev. Lett. 114, 255301 (2015); Phys. Rev. Lett. 128, 223201 (2022)], we investigate heteronuclear magnetism in the Mott-insulating regime. Different from the identical mixtures where the boson statistics only admits even parity states from angular momentum composition, for heteronuclear atoms in principle all angular momentum states are allowed, which can give rise to new magnetic phases. While various magnetic phases can be developed over these degenerate spaces, the concrete symmetry breaking phases depend on not only the degree of degeneracy but also the competitions from many-body interactions. We unveil these rich phases using the bosonic dynamical mean-field theory approach. These phases are characterized by various orders, including spontaneous magnetization order, spin magnitude order, singlet pairing order, and nematic order, which may coexist specially in the regime with odd parity. Finally we address the possible parameter regimes for observing these spin-ordered Mott phases.
引用
收藏
页数:6
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