Matches in SemOpenAlex for { <https://semopenalex.org/work/W3015156919> ?p ?o ?g. }
- W3015156919 abstract "The $mathrm{spin}ensuremath{-}1$ Weyl point is formed by three bands touching at a single point in three-dimensional (3D) momentum space, with two of the bands showing conelike dispersion while the third band is flat. Such a triply degenerate point carries a higher topological charge $ifmmodepmelsetextpmfi{}2$ and can be described by a three-band Hamiltonian. We first propose a tight-binding model of a 3D Lieb lattice with chiral interlayer coupling to form the spin-1 Weyl point. Then we design a chiral phononic crystal that carries these $mathrm{spin}ensuremath{-}1$ Weyl points and special straight-type acoustic Fermi arcs. We also demonstrate computationally the robust propagation of topologically protected surface states that can travel around a corner or defect without reflection. Our results pave the way to the manipulation of acoustic waves in 3D structures, and they provide a platform for exploring energy transport properties in 3D $mathrm{spin}ensuremath{-}1$ Weyl systems." @default.
- W3015156919 created "2020-04-10" @default.
- W3015156919 creator A5076857009 @default.
- W3015156919 creator A5084771702 @default.
- W3015156919 date "2020-06-24" @default.
- W3015156919 modified "2023-10-18" @default.
- W3015156919 title "Spin-1 Weyl point and surface arc state in a chiral phononic crystal" @default.
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- W3015156919 doi "https://doi.org/10.1103/physrevb.101.214309" @default.
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