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Anomalous quasiparticles in the zone center electron pocket of the kagomé ferromagnet Fe3Sn2
Sandy Adhitia Ekahana, Y. Soh, Anna Tamai +14
One material containing kagome bilayers and featuring both exceptional magnetism and electron transport is the ferromagnetic metal Fe3Sn2. Notwithstanding the widespread interest i…
Observation of a singular Weyl point surrounded by charged nodal walls in PtGa
J. -Z. Ma, Q. -S. Wu, M. Song +17
Constrained by the Nielsen-Ninomiya no-go theorem, in all so-far experimentally determined Weyl semimetals (WSMs) the Weyl points (WPs) always appear in pairs in the momentum space…
Metal-to-insulator transition in Pt-doped TiSe driven by emergent network of narrow transport channels
Kyungmin Lee, Jesse Choe, Davide Iaia +13
Metal-to-insulator transitions (MIT) can be driven by a number of different mechanisms, each resulting in a different type of insulator -- Change in chemical potential can induce a…
Spin fluctuation induced Weyl semimetal state in the paramagnetic phase of EuCdAs
J. -Z. Ma, S. M. Nie, C. J. Yi +22
Weyl fermions as emergent quasiparticles can arise in Weyl semimetals (WSMs) in which the energy bands are nondegenerate, resulting from inversion or time-reversal symmetry breakin…
Switchable Weyl nodes in topological Kagome ferromagnet Fe3Sn2
M. Yao, H. Lee, N. Xu +7
The control of topological quantum materials is the prerequisite for novel devices exploiting these materials. Here we propose that the room temperature ferromagnet Fe3Sn2, whose f…