Efficient Method for Prediction of Metastable or Ground Multipolar Ordered States and Its Application in Monolayer 
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Qiu, Wen-Xuan; Zou, Jiezhong; Luo, Aiyun; Cui, Zhihai; Song, Zhida; Gao, Jin-Hua; Wang, Yilin; Xu, Gang

doi:10.1103/physrevlett.127.147202

Cited by 2 publications

(1 citation statement)

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“…In previous works, relations between correlation and SOC have also been discussed, which are consistent with our conclusions. [6][7][8][9][10]23,24] Experimentally, orbitaldependent SOC may be the origin of orbital-dependent splitting band gap observed in angle resolved photoemission spectroscopy. [25,26] More than that, correlated induced SOC may enhance topological non-trivial effect and spin-orbital coupled Mott insulator in 𝑑-orbital systems, like iridates.…”

Section: (A)mentioning

confidence: 99%

Correlation Renormalized and Induced Spin-Orbit Coupling

Jiang¹

2023

Chinese Phys. Lett.

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Interplay of spin-orbit coupling (SOC) and electron correlation generates a bunch of emergent quantum phases and transitions, especially topological insulators and topological transitions. We find that electron correlation will induce extra large SOC in multi-orbital systems under atomic SOC and change ground state topological properties. Using the Hartree–Fock mean field theory, phase diagrams of px /py orbital ionic Hubbard model on honeycomb lattice are well studied. In general, correction of strength of SOC δ λ ∝ (Uʹ–J). Due to breaking down of rotation symmetry, form of SOC on multi-orbital materials is also changed under correlation. If a non-interacting system is close to fermionic instability, spontaneous generalized SOC can also be found. Using renormalization group, SOC is leading instability close to quadratic band-crossing point. Mean fields at quadratic band-crossing point are also studied.

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