Disordered quantum walks in two-dimensional lattices plink

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

Fig. 5. The variance of 2D QW with point disorder e i #cod#x003D5; #cod#x003D5; = #cod#x003C0; at two symmetric positions 1,1 and #cod#x2013;1,#cod#x2013;1 for a the separated initial coin states and b the entangled initial coin states.