Disordered quantum walks in two-dimensional lattices plink

Zhang Rong^a),^b), Xu Yun-Qiu^b), Xue Peng^a),^c)†

Fig. 11. The variance of 2D QW with circle disorder e i #cod#x003D5; #cod#x003D5; = #cod#x003C0; as a function of the evolution time n .