Observation of a singular Weyl point surrounded by charged nodal walls in PtGa
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DOI: 10.1038/s41467-021-24289-0
Abstract: 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 with no exception. As a consequence, Fermi arcs occur… read more here.
Keywords: charged nodal; nodal walls; weyl; weyl point ... See more keywords