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. 2016 Sep 21;7:12691. doi: 10.1038/ncomms12691

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Copyright © 2016, The Author(s)

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The slab is cleaved along the [11] surface, setting D=0.2J, J′=0.6J and θ=π/2. (a) Magnon arcs in the surface Brillouin zone. Γ₀ is the origin of the Brillouin zone and two reciprocal lattice vectors are , . The surface states with E=E_Weyl form arcs connecting the Weyl nodes with different chiralities, where E_Weyl is the energy of the bulk Weyl nodes. States along the two pink longer (green shorter) arcs are localized in the top (bottom) surface. (b) The (blue) bulk magnon excitations and the (red) chiral surface states along . The (green) dashed line indicates E=E_Weyl.

Inline graphic — The slab is cleaved along the [11] surface, setting D=0.2J, J′=0.6J and θ=π/2. (a) Magnon arcs in the surface Brillouin zone. Γ₀ is the origin of the Brillouin zone and two reciprocal lattice vectors are , . The surface states with E=E_Weyl form arcs connecting the Weyl nodes with different chiralities, where E_Weyl is the energy of the bulk Weyl nodes. States along the two pink longer (green shorter) arcs are localized in the top (bottom) surface. (b) The (blue) bulk magnon excitations and the (red) chiral surface states along . The (green) dashed line indicates E=E_Weyl.