Numerical transfer-matrix calculation on graphene ribbons shows Valley Hall modes transmit nearly perfectly through bends irrespective of valley-index conservation.
2019 A comparison study between acoustic topological states based on valley Hall and quantum spin Hall effects
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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.