Numerical transfer-matrix calculation on graphene ribbons shows Valley Hall modes transmit nearly perfectly through bends irrespective of valley-index conservation.
2021b Topological two-dimensional Su–Schrieffer– Heeger analog acoustic networks: Total reflection at corners and corner induced modes
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Canonical scattering problem in topological metamaterials: Valley-Hall modes through a bend
Numerical transfer-matrix calculation on graphene ribbons shows Valley Hall modes transmit nearly perfectly through bends irrespective of valley-index conservation.