Fig. 2: The dependences of the optimal geometrical parameters of the system on the inter-disc distance, L, for different values of the mole fraction of cones in the reservoir, c0.

a The kink angle, \(\varphi\); b The effective curvature, \({J}_{{eff}}\). The dot at each curve indicates the distance of a maximal effective curvature. Parameters used for all curves: \(\zeta=1/2.5\,n{m}^{-1}\), \(\kappa=10{k}_{B}T\), \({\kappa }_{t}=10{k}_{B}T/n{m}^{2}\), \(\Delta \varepsilon=1{k}_{B}T\), \(R=7\,{nm}\), \(h=2\,{nm}\), \(a=0.7\,n{m}^{2}\).