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Entropic Splitter for Particle Separation Reguera, D. (David) Luque, A. Burada, P. Schmid, Gerhard Rubí Capaceti, José Miguel Hänggi, Peter Física de partícules Experiments Particle physics Experiments We present a particle separation mechanism which induces the motion of particles of different sizes in opposite directions. The mechanism is based on the combined action of a driving force and an entropic rectification of the Brownian fluctuations caused by the asymmetric form of the channel along which particles proceed. The entropic splitting effect shown could be controlled upon variation of the geometrical parameters of the channel and could be implemented in narrow channels and microfluidic devices. 2019-05-30T14:40:49Z 2019-05-30T14:40:49Z 2012-01-13 2019-05-30T14:40:49Z info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Reproducció del document publicat a: https://doi.org/10.1103/PhysRevLett.108.020604 Physical Review Letters, 2012, vol. 108, num. 2, p. 020604 https://doi.org/10.1103/PhysRevLett.108.020604 (c) American Physical Society, 2012 info:eu-repo/semantics/openAccess American Physical Society Articles publicats en revistes (Física de la Matèria Condensada)