A theoretical protocol using Gaussian wave packets shows that initial momenta parallel and perpendicular to a boundary independently select counterpropagating edge modes in the anomalous Floquet valley-Hall phase.
4(a)-(d) the an- alytical solutions for the density distribution|ϕL(y)|2 of the left edge states at kx = 0,π based on Eq
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Preparation and observation of anomalous counterpropagating edge states in a periodically driven optical Raman lattice
A theoretical protocol using Gaussian wave packets shows that initial momenta parallel and perpendicular to a boundary independently select counterpropagating edge modes in the anomalous Floquet valley-Hall phase.