P G de Gennes 1971 (Nobel 1991) reptation: chain confined to tube of entanglements; t_rep ~ N^3 (vs Rouse N^2); explains zero-shear-viscosity eta_0 ~ N^3.4.
P G de Gennes 1971 (Nobel 1991) reptation: chain confined to tube of entanglements; t_rep ~ N^3 (vs Rouse N^2); explains zero-shear-viscosity eta_0 ~ N^3.4.