Topological and magnetic phases with strong spin-orbit coupling on the hyperhoneycomb lattice

Cited 14 time in webofscience Cited 0 time in scopus
299 Viewed 40 Downloaded
Title
Topological and magnetic phases with strong spin-orbit coupling on the hyperhoneycomb lattice
Author(s)
Eric Kin-Ho Lee; Bhattacharjee S.; Kyusung Hwang; Heung-Sik Kim; Hosub Jin; Yong Baek Kim
Publication Date
2014-05
Journal
PHYSICAL REVIEW B, v.89, no.20, pp.205132 -
Publisher
AMER PHYSICAL SOC
Abstract
We study the general phase diagram of correlated electrons for iridium-based (Ir) compounds on the hyperhoneycomb lattice, a crystal structure where the Ir4+ ions form a three-dimensional network with threefold coordination recently realized in the Î-Li2IrO3 compound. Using a combination of microscopic derivations, symmetry analysis, and density functional calculations, we determine the general model for the electrons occupying the jeff=12 orbitals at the Ir4+ sites. In the noninteracting limit, we find that this model allows for both topological and trivial electronic band insulators along with metallic states. The effect of Hubbard-type electron-electron repulsion on the above electronic structure in stabilizing q=0 magnetic order reveals a phase diagram with continuous phase transition between a topological band insulator and a Néel ordered magnetic insulator. © 2014 American Physical Society.
URI
https://pr.ibs.re.kr/handle/8788114/1037
ISSN
2469-9950
Appears in Collections:
Center for Correlated Electron Systems(강상관계 물질 연구단) > Journal Papers (저널논문)
Files in This Item:
PhysRevB.89 topological.pdfDownload

qrcode

  • facebook

    twitter

  • Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.
해당 아이템을 이메일로 공유하기 원하시면 인증을 거치시기 바랍니다.

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

Browse