In twisted bilayer WSe2, the authors report emergent double and quadruple quantum spin Hall states whose helical channels sit at moire potential maxima, plus a gate-tunable transition and a five-terminal topological current divider.
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Multiple quantum spin Hall states and topological current divider in Twisted Bilayer WSe$_2$
In twisted bilayer WSe2, the authors report emergent double and quadruple quantum spin Hall states whose helical channels sit at moire potential maxima, plus a gate-tunable transition and a five-terminal topological current divider.