Current and efficiency of Brownian particles under oscillating forces in entropic barriers*
Nutku Ferhat†, Aydιner Ekrem‡
       
Temperature dependences of the average particle current J for various types of oscillating forces at A = 0.5 (a) and 1.5 (b) (low and high amplitude cases). Selected parameters are α = 1/2, a = 1/2 π , b = 1.5/2 π , Δ = 1.0, L = 2 π , and load f = 0.01.