Moire-enabled umklapp processes stabilize the Kane-Fisher-Polchinski fixed point for hierarchical nu=2/3 FQAH edge states in a class of microscopic realizations without disorder.
exp(i3(Φ 1 + 3Φ2)), can in principle restore momentum conservation, they correspond to operators of higher scaling dimension and therefore strongly irrelevant
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Moire driven edge reconstruction in Fractional quantum anomalous Hall states
Moire-enabled umklapp processes stabilize the Kane-Fisher-Polchinski fixed point for hierarchical nu=2/3 FQAH edge states in a class of microscopic realizations without disorder.