Quantum spin Hall effect in a transition metal oxide Na2IrO3

We study theoretically the electronic states in a 5d transition metal oxide Na2IrO3, in which both the spin-orbit interaction and the electron correlation play crucial roles. A tight-binding model analysis together with the first-principles band structure calculation predicts that this material is a...

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Bibliographic Details
Published in:Physical review letters 2009-06, Vol.102 (25), p.256403-256403
Main Authors: Shitade, Atsuo, Katsura, Hosho, Kunes, Jan, Qi, Xiao-Liang, Zhang, Shou-Cheng, Nagaosa, Naoto
Format: Article
Language:English
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Summary:We study theoretically the electronic states in a 5d transition metal oxide Na2IrO3, in which both the spin-orbit interaction and the electron correlation play crucial roles. A tight-binding model analysis together with the first-principles band structure calculation predicts that this material is a layered quantum spin Hall system. Because of the electron correlation, an antiferromagnetic order first develops at the edge, and later inside the bulk at low temperatures.
ISSN:0031-9007
DOI:10.1103/PhysRevLett.102.256403