Colloidal Model for Investigating Optimal Efficiency in Weakly Coupled Ratchet MotorsRemoveJosé Martín-Roca, Laura Izquierdo Solis, Fernando Martínez Pedrero, Pau Casadejust, Ignacio Pagonabarraga, and Carles CaleroPhys. Rev. Lett. 135, 028301 (2025)