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Title: Antipersistent Random Walk in a Two State Flashing Magnetic Potential
Author: Tierno, Pietro
Sagués i Mestre, Francesc
Johansen, Tom H.
Sokolov, Igor M., 1958-
Keywords: Física de partícules
Particle physics
Issue Date: 16-Aug-2012
Publisher: American Physical Society
Abstract: We reveal the subdiffusive dynamics of paramagnetic colloids subjected to a two state flashing potential generated by periodic modulation of a magnetic bubble lattice. The particles perform a random walklike motion with antipersistent nature, showing for certain field parameters a crossover from subdiffusive to an enhanced diffusive behavior. We elucidate the stationary nature (no aging) of the subdiffusive process and stress its similarity with the random walk on a random walk model.
Note: Reproducció del document publicat a:
It is part of: Physical Review Letters, 2012, vol. 109, num. 7, p. 070601
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ISSN: 0031-9007
Appears in Collections:Articles publicats en revistes (Ciència dels Materials i Química Física)
Articles publicats en revistes (Física de la Matèria Condensada)

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