Disordered quantum walks in two-dimensional lattices plink

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

Fig. 10. The distributions of 2D QW with circle disorder e i #cod#x003D5; #cod#x003D5; = #cod#x003C0; at a x 2 + y 2 =4 for the separated initial coin state |00#cod#x027E9;; b x 2 + y 2 =4 for the entangled initial coin state ; c x 2 + y 2 =2 for the separated initial coin state |00#cod#x027E9;; d x 2 + y 2 =2 for the entangled initial coin state .