Evolution of nonequilibrium quantities with various Atwood numbers: At1 = 0 (squares), At2 = 1/3 (diamonds), At3 = 1/2 (circles), and At4 = 3/5 (triangles), respectively. (a) ∫ ∫ | Δ 2 A * | d x d y , (b) ∫ ∫ | Δ 2 B * | d x d y , (c) ∫ ∫ | Δ 3 , 1 A * | d x d y , (d) ∫ ∫ | Δ 3 , 1 B * | d x d y .