Valley-resolved Hall viscosity is finite in gapped Dirac materials, regularizing a previously identified divergence and extending the Hoyos-Son formula to individual valleys.
For integer quantum Hall phases we find the new result σζ H(k) = [ σζ H + (klB)2 (e2 Bηζ H−(p−1 2)σζ H )] (17) with charge carrier densityn=g sv(p−1 2)B 2πandζ= K,K′
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Valley Hall viscosity in the integer quantum Hall phases of (2+1)D Dirac materials
Valley-resolved Hall viscosity is finite in gapped Dirac materials, regularizing a previously identified divergence and extending the Hoyos-Son formula to individual valleys.