ITP OpenIR  > SCI期刊论文
Jiang, K; Zhang, Y; Zhou, S; Wang, ZQ; Jiang, K (reprint author), Boston Coll, Dept Phys, Chestnut Hill, MA 02467 USA.
Chiral Spin Density Wave Order on the Frustrated Honeycomb and Bilayer Triangle Lattice Hubbard Model at Half-Filling
Source PublicationPHYSICAL REVIEW LETTERS
Language英语
AbstractWe study the Hubbard model on the frustrated honeycomb lattice with nearest-neighbor hopping t(1) and second nearest-neighbor hopping t(2), which is isomorphic to the bilayer triangle lattice, using the SU(2)-invariant slave boson theory. We show that the Coulomb interaction U induces antiferromagnetic (AF) chiral spin density wave (chi SDW) order in a wide range of kappa = t(2)/t(1) where both the two-sublattice AF order at small kappa and the decoupled three-sublattice 120 degrees order at large. are strongly frustrated, leading to three distinct phases with different anomalous Hall responses. We find a continuous transition from a chi SDW semimetal with the anomalous Hall effect to a topological chiral Chern insulator exhibiting the quantum anomalous Hall effect, followed by a discontinuous transition to a chi SDW insulator with a zero total Chern number but an anomalous ac Hall effect. The chi SDW is likely a generic phase of strongly correlated and highly frustrated hexagonal lattice electrons.
2015
Volume114Issue:21Pages:216402
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1103/PhysRevLett.114.216402
Indexed BySCI
Funding OrganizationU.S. Department of Energy, Office of Science, Basic Energy Sciences [DE-FG02-99ER45747] ; U.S. Department of Energy, Office of Science, Basic Energy Sciences [DE-FG02-99ER45747] ; U.S. Department of Energy, Office of Science, Basic Energy Sciences [DE-FG02-99ER45747] ; U.S. Department of Energy, Office of Science, Basic Energy Sciences [DE-FG02-99ER45747]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/20991
CollectionSCI期刊论文
Corresponding AuthorJiang, K (reprint author), Boston Coll, Dept Phys, Chestnut Hill, MA 02467 USA.
Recommended Citation
GB/T 7714
Jiang, K,Zhang, Y,Zhou, S,et al. Chiral Spin Density Wave Order on the Frustrated Honeycomb and Bilayer Triangle Lattice Hubbard Model at Half-Filling[J]. PHYSICAL REVIEW LETTERS,2015,114(21):216402.
APA Jiang, K,Zhang, Y,Zhou, S,Wang, ZQ,&Jiang, K .(2015).Chiral Spin Density Wave Order on the Frustrated Honeycomb and Bilayer Triangle Lattice Hubbard Model at Half-Filling.PHYSICAL REVIEW LETTERS,114(21),216402.
MLA Jiang, K,et al."Chiral Spin Density Wave Order on the Frustrated Honeycomb and Bilayer Triangle Lattice Hubbard Model at Half-Filling".PHYSICAL REVIEW LETTERS 114.21(2015):216402.
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