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17 papers · 2 filters
Strain and onsite-correlation tunable quantum anomalous Hall phases in ferromagnetic (111) LaXO bilayers (XPd, Pt)
Hai-Shuang Lu, Guang-Yu Guo
Quantum anomalous Hall (QAH) phases in magnetic topological insulators are characterized by the scattering-free chiral edge currents protected by their nontrivial bulk band topolog…
Evolution of Pairing Orders between Pseudogap and Superconducting Phases of Cuprate Superconductors
Wei-Lin Tu, Ting-Kuo Lee
One of the most puzzling problems of high temperature cuprate superconductor is the pseudogap phase(PG) at temperatures above the superconducting transition temperature in the unde…
Exotic low-energy excitations emergent in the random Kitaev magnet CuIrO
Y. S. Choi, C. H. Lee, S. Lee +11
We report on magnetization , dc/ac magnetic susceptibility , specific heat and muon spin relaxation (SR) measurements of the Kitaev honeycomb iri…
Topological nature of step edge states on the surface of topological crystalline insulator PbSnSe
Davide Iaia, Chang-Yan Wang, Yulia Maximenko +5
In addition to novel surface states, topological insulators can also exhibit robust gapless states at crystalline defects. Step edges constitute a class of common defects on the su…
Gapless spin liquid in the kagome Heisenberg antiferromagnet with Dzyaloshinskii-Moriya interactions
Chih-Yuan Lee, B. Normand, Ying-Jer Kao
A preponderance of evidence suggests that the ground state of the nearest-neighbor antiferromagnetic Heisenberg model on the kagome lattice is a gapless spin liquid. Many…
Topological Type-II Dirac Fermions Approaching the Fermi Level in a Transition Metal Dichalcogenide NiTe2
Chunqiang Xu, Bin Li, Wenhe Jiao +8
Type-II Dirac/Weyl semimetals are characterized by strongly tilted Dirac cones such that the Dirac/Weyl node emerges at the boundary of electron and hole pockets as a new state of…