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Zhou, H; Xu, YY; Zhou, S1,2
Electron Correlations, Spin-Orbit Coupling, and Antiferromagnetic Anisotropy in Layered Perovskite Iridates Sr2IrO4
Source PublicationCOMMUNICATIONS IN THEORETICAL PHYSICS
Language英语
KeywordINSULATING PHASE
AbstractThe effects of electron correlations and spin-orbit coupling on the magnetic anisotropy in the antiferromagnetically ordered 5d perovskite iridates Sr2IrO4 is investigated theoretically using a microscopic model includes a realistic five-orbital tight-binding Hamiltonian, atomic spin-orbit coupling, and multi-orbital Hubbard interactions. Hartree-Fock approximation is applied to obtain the ground state properties with varying spin-orbit coupling and electron correlations. We demonstrate that the interplay between the atomic intraorbital Coulomb repulsion and the Hund's rule coupling leads to a remarkable variability of the resulting magnetic anisotropy at a constant nonzero spin-orbit coupling. At the same time, the preferred direction of the ordered antiferromagnetical moment remains unaltered upon changes in the strength of spin-orbit coupling.
2018
ISSN0253-6102
Volume70Issue:1Pages:81-88
Cooperation Status国内
Subject AreaPhysics
MOST Discipline CataloguePhysics, Multidisciplinary
DOI10.1088/0253-6102/70/1/81
Indexed BySCI
Funding OrganizationKey Research Program of Frontier Sciences, Chinese Academy of Sciences [QYZDB-SSW-SYS012] ; Key Research Program of Frontier Sciences, Chinese Academy of Sciences [QYZDB-SSW-SYS012] ; National Natural Science Foundation of China [11747601] ; National Natural Science Foundation of China [11747601]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/22732
Collection计算平台成果
Affiliation1.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China
3.Univ Chinese Acad Sci, CAS Ctr Excellence Topol Quantum Computat, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhou, H,Xu, YY,Zhou, S. Electron Correlations, Spin-Orbit Coupling, and Antiferromagnetic Anisotropy in Layered Perovskite Iridates Sr2IrO4[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2018,70(1):81-88.
APA Zhou, H,Xu, YY,&Zhou, S.(2018).Electron Correlations, Spin-Orbit Coupling, and Antiferromagnetic Anisotropy in Layered Perovskite Iridates Sr2IrO4.COMMUNICATIONS IN THEORETICAL PHYSICS,70(1),81-88.
MLA Zhou, H,et al."Electron Correlations, Spin-Orbit Coupling, and Antiferromagnetic Anisotropy in Layered Perovskite Iridates Sr2IrO4".COMMUNICATIONS IN THEORETICAL PHYSICS 70.1(2018):81-88.
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