Fig. 8: Valley Hall response for uniaxial strain.
From: Quantized valley Hall response from local bulk density variations
a Valley Hall response obtained from Eq. (13) as a function of the pseudo-magnetic flux per primitive cell ατ and the Fermi energy μF in units of the hopping parameter t. Dashed white lines represent \({\mu }_{F}/t=\sqrt{\tau \nu /2}\) for ν = 1 and ν = 2, where τ is the strain intensity. The size of the bulk region where we averaged the local marker is Lbulk = 36 a. b (Blue dots) Valley Hall response σV for ατ = 3.255 × 10−4 (indicated by a solid black line in panel a). Results are restricted to the present window for clarity. (Gray area) Local density of states ρbulk from Fig. 5b.
