Effect of a force-free end on the mechanical property of a biopolymer — A path integral approach
Zhou Zicong1, †, , Joós Béla2
       

〈cosϕf2 + 〈sinϕf2 versus F for a filament when κ = 6, c = 0.5 (solid-circle); κ = 2, c = 0.2 (empty-circle); and κ = 20, c = 0.1 (solid-square). Nf = 300 in all cases. Reduced units are used.