Dear Anton, Just to be sure about my calculations, the velocity operator in the 'x' direction, with the convention that Kwant uses, would be Vop_x(k) = j*Rx* H(k), where H(k) is just the hopping terms?
Best, Nayra
Dear Anton, Just to be sure about my calculations, the velocity operator in the 'x' direction, with the convention that Kwant uses, would be Vop_x(k) = j*Rx* H(k), where H(k) is just the hopping terms?
Best, Nayra