One-dimensional patterns and wavelength selection in magnetic fluids

Denis Wirtz, Marc Fermigier

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Abstract

We present the first experimental evidence of macroscopic one-dimensional patterns and forced wavelength selection in magnetic colloidal suspensions in an oscillating magnetic field. The resulting dramatic enhancement of the domain growth kinetics gives rise to concentration patterns composed of a main periodic structure and similar periodic substructures, which have a wave vector increasing with the excitation frequency, and decreasing with the suspension concentration.

Original languageEnglish (US)
Pages (from-to)2294-2297
Number of pages4
JournalPhysical Review Letters
Volume72
Issue number14
DOIs
StatePublished - Jan 1 1994

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

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