Disordered quantum walks in two-dimensional lattices plink

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

Fig. 1. The distributions of 2D QW with point disorder e i #cod#x003D5; at origin 0,0: a with #cod#x003D5; #cod#x0003D;0 without phase disorder for the initial separated state |00#cod#x027E9;, b with #cod#x003D5;#cod#x0003D;#cod#x003C0; for the initial separated state |00#cod#x027E9;, c with #cod#x003D5; #cod#x0003D;0 without phase disorder for the initial entangled state , d with #cod#x003D5;#cod#x0003D;#cod#x003C0; for the initial entangled state .