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Correlated Topological Insulators with Mixed Valence
Feng Lu, JianZhou Zhao, Hongming Weng +2
We propose the local density approximation (LDA)+Gutzwiller method incorporating Green's function scheme to study the topological physics of correlated materials from the first-pri…
The electronic structure of NaIrO, Mott insulator or band insulator?
Liang Du, Xianlei Sheng, Hongming Weng +1
Motivated by the unveiled complexity of nonmagnetic insulating behavior in pentavalent post-perovskite NaIrO, we have studied its electronic structure and phase diagram in the…
Unusual Fermi Surface Sheet-Dependent Band Splitting in Sr2RuO4 Revealed by High Resolution Angle-Resolved Photoemission
Shanyu Liu, Hongming Weng, Daixiang Mou +17
High resolution angle-resolved photoemission measurements have been carried out on Sr2RuO4. We observe clearly two sets of Fermi surface sheets near the (π,0)-(0,π) line which are…
Effect of Cleaving Temperature on the Surface and Bulk Fermi Surface of Sr2RuO4 Investigated by High Resolution Angle-Resolved Photoemission
Shanyu Liu, Wentao Zhang, Hongming Weng +12
High resolution angle-resolved photoemission measurements are carried out to systematically investigate the effect of cleaving temperature on the electronic structure and Fermi sur…
Dirac semimetal and topological phase transitions in A3Bi (A=Na, K, Rb)
Zhijun Wang, Yan Sun, Xingqiu Chen +5
The three-dimensional (3D) Dirac point, where two Weyl points overlap in momentum space, is usually unstable and hard to realize. Here we show, based on the first-principles calcul…
Magnetic ordering and multiferroicity in MnI
Xianxin Wu, Yingxiang Cai, Qing Xie +3
Density-functional calculations are carried out to investigate incommensurate magnetic structures and ferroelectric polarization in newly discovered multiferroic material MnI.…