Quantum spin Hall effect induced by nonmagnetic and magnetic staggered potentials
Quantum spin Hall effect induced by nonmagnetic and magnetic staggered potentials
We conducted a comparative study of the quantum spin Hall (QSH) effects induced by nonmagnetic and magnetic staggered potentials, respectively, and show that they have the same effect in driving the topological phase transition. The result implies that both time-reversal ($\mathcal{T}$) preserving and breaking systems can host a QSH effect. …