t Þ relative to the FIG. 8. Change of the Casimir momenta Δ p c; χ ð 0 Þ for χ ¼ 1 = 3 (red) and χ ¼ 3 (blue), for the initial value p c; χ ð ≈ 109 , Δ x L= 64 ) turbulence simulation fiducial ( L= 2 πρ e bin ¼ ≈ 54 ; Δ x L= 64 (solid line), a similar case with L= 2 πρ e bin ¼ ≈ 54 ; Δ x (dotted line), and a similar case with L= 2 πρ e bin ¼ L= 32 (dash-dotted line). For comparison, the relative change in the average momentum Δ h p i =p 0 is also shown (black dashed line).