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Intrinsic axion insulating behavior in antiferromagnetic MnBiTe
Na Hyun Jo, Lin-Lin Wang, Robert-Jan Slager +6
A striking feature of time reversal symmetry (TRS) protected topological insulators (TIs) is that they are characterized by a half integer quantum Hall effect on the boundary when…
Gapless Dirac surface states in the antiferromagnetic topological insulator MnBi2Te4
Przemyslaw Swatek, Yun Wu, Lin-Lin Wang +4
We use high-resolution, tunable angle-resolved photoemission spectroscopy (ARPES) and density functional theory (DFT) calculations to study the electronic properties of single crys…
Fragility of Fermi arcs in Dirac semimetals
Yun Wu, Na Hyun Jo, Lin-Lin Wang +8
We use tunable, vacuum ultraviolet laser-based angle-resolved photoemission spectroscopy and density functional theory calculations to study the electronic properties of Dirac semi…
A Single Pair of Weyl Fermions in Half-metallic EuCd2As2 Semimetal
Lin-Lin Wang, Na Hyun Jo, Brinda Kuthanazhi +4
An ideal Weyl semimetal with a single pair of Weyl points (WPs) may be generated by splitting a single Dirac point (DP) through the breaking of time-reversal symmetry by magnetic o…