Electrostatically Driven Granular Media: Phase Transitions and Coarsening

I. S. Aranson, D. Blair, V. A. Kalatsky, G. W. Crabtree, W. K. Kwok, V. M. Vinokur, U. Welp

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We report the experimental and theoretical study of electrostatically driven granular material. We show that the charged granular medium undergoes a hysteretic phase transition from the immobile condensed state (granular solid) to a fluidized dilated state (granular gas) with a changing applied electric field. In addition we observe a spontaneous precipitation of dense clusters from the gas phase and subsequent coarsening - coagulation of these clusters. Molecular dynamics simulations show qualitative agreement with experimental results.

Original languageEnglish (US)
Pages (from-to)3306-3309
Number of pages4
JournalPhysical Review Letters
Issue number15
StatePublished - Apr 10 2000

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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    Aranson, I. S., Blair, D., Kalatsky, V. A., Crabtree, G. W., Kwok, W. K., Vinokur, V. M., & Welp, U. (2000). Electrostatically Driven Granular Media: Phase Transitions and Coarsening. Physical Review Letters, 84(15), 3306-3309. https://doi.org/10.1103/PhysRevLett.84.3306