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Recently Ru-Yin Chen et al. (Phys. Lett. A 379 (2015) 2169-2173) presentedresults on the absolute negative mobility (ANM) in a one-dimensional overdampedsystem and claimed that a new minimal model of ANM was proposed. We suggestthat the authors introduced a mistake in their calculations. Then we perform aprecise numerical simulation of the corresponding Langevin equation to showthat the ANM phenomenon does not occur in the considered system.

Comment on 'Absolute negative mobility in a one-dimensional overdamped system'