首页|Heteronuclear Magnetisms with Ultracold Spinor Bosonic Gases in Optical Lattices

Heteronuclear Magnetisms with Ultracold Spinor Bosonic Gases in Optical Lattices

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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 degen-erate 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.

Yongqiang Li、Chengkun Xing、Ming Gong、Guangcan Guo、Jianmin Yuan

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Department of Physics,National University of Defense Technology,Changsha 410073,China

Hunan Key Laboratory of Extreme Matter and Applications,National University of Defense Technology,Changsha 410073,China

Key Lab of Quantum Information(CAS),University of Science and Technology of China,Hefei 230026,China

CAS Key Laboratory of Quantum Information,University of Science and Technology of China,Hefei 230026,China

Synergetic Innovation Center of Quantum Information and Quantum Physics,University of Science and Technology of China,Hefei 230026,China

Hefei National Laboratory,University of Science and Technology of China,Hefei 230088,China

Department of Physics,Graduate School of China Academy of Engineering Physics,Beijing 100193,China

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Strategic Priority Research Program of the Chinese Academy of SciencesInnovation Program for Quantum Science and TechnologyNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaExcellent Youth Foundation of Hunan Scientific Committee

XDB05000002021ZD03012001207443112274384123742522021JJ10044

2024

10.1088/0256-307X/41/2/026701

中国物理快报(英文版)
中国科学院物理研究所,中国物理学会

中国物理快报(英文版)

CSTPCDEI
影响因子：0.515
ISSN：0256-307X
年,卷(期)：2024.41(2)
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