qft
2
1
0 1
(0.5,0.0) (0.5,0.0) (0.5,0.0) (0.5,0.0)
(0.5,0.0) (0.0,0.5) (-0.5,0.0) (0.0,-0.5)
(0.5,0.0) (-0.5,0.0) (0.5,0.0) (-0.5,0.0)
(0.5,0.0) (0.0,-0.5) (-0.5,0.0) (0.0,0.5)