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Symmetry broken motion of a periodically driven Brownian particle: Nonadiabatic regime
We report a theoretical study of an overdamped Brownian particle dynamics in the presence of both a spatially modulated one-dimensional periodic potential U(x) and a periodic alternating force (AF). As the periodic potential U(x) has a low symmetry (a ratchet potential) the Brownian particle displays a broken symmetry motion with …