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In the paper by J.\L uczka {\em et al.} ({\em Europhys. Lett.}, {\bf 31}(1995) 431), the authors reported by rigorous calculation that an additivePoissonian white shot noise can induce a macroscopic current of a dissipativeparticle in a periodic potential -- even {\em in the absence} of spatialasymmetry of the potential. We argue that their main result is an obvious onecaused by the spatially broken symmetry of a probability distribution of theadditive noise, unlike the similar result caused by chaotic noise which has asymmetric probability distribution ({\em J.Phys.Soc.Jpn.}, {\bf 63} (1994)2014).Comment: 2 pages (Latex); submitted to Europhys.Let

Comment on “White-noise–induced transport in periodic structures” by J. Łuczka et al.