A periodically driven quantum point contact between helical edge states is predicted to exhibit a Floquet topological phase transition that can be seen in four-terminal conductance.
o nig , author S. Wiedmann , author C. Br \
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Transport signatures of a Floquet topological transition at the helical edge
A periodically driven quantum point contact between helical edge states is predicted to exhibit a Floquet topological phase transition that can be seen in four-terminal conductance.