Patterns in thin vibrated granular layers: Interfaces, hexagons, and superoscillons

D. Blair; I. S. Aranson; G. W. Crabtree; V. Vinokur; L. S. Tsimring; C. Josserand

doi:10.1103/PhysRevE.61.5600

Patterns in thin vibrated granular layers: Interfaces, hexagons, and superoscillons

D. Blair, I. S. Aranson, G. W. Crabtree, V. Vinokur, L. S. Tsimring, C. Josserand

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38 Citations (SciVal)

Abstract

A theoretical and experimental study of patterns in vibrated granular layers is presented. An order parameter model based on the parametric Ginzburg-Landau equation is used to describe strongly nonlinear excitations including hexagons, interfaces between flat antiphase domains, and new localized objects, superoscillons. The experiments confirm the existence of superoscillons and bound states of superoscillons and interfaces. On the basis of the order parameter model we predict analytically and confirm experimentally that additional subharmonic driving results in the controlled motion of interfaces.

Original language	English (US)
Pages (from-to)	5600-5610
Number of pages	11
Journal	Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
Volume	61
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevE.61.5600
State	Published - 2000

All Science Journal Classification (ASJC) codes

Statistical and Nonlinear Physics
Statistics and Probability
Condensed Matter Physics

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10.1103/PhysRevE.61.5600

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AU - Blair, D.

AU - Aranson, I. S.

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AU - Vinokur, V.

AU - Tsimring, L. S.

AU - Josserand, C.

PY - 2000

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AB - A theoretical and experimental study of patterns in vibrated granular layers is presented. An order parameter model based on the parametric Ginzburg-Landau equation is used to describe strongly nonlinear excitations including hexagons, interfaces between flat antiphase domains, and new localized objects, superoscillons. The experiments confirm the existence of superoscillons and bound states of superoscillons and interfaces. On the basis of the order parameter model we predict analytically and confirm experimentally that additional subharmonic driving results in the controlled motion of interfaces.

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Patterns in thin vibrated granular layers: Interfaces, hexagons, and superoscillons

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All Science Journal Classification (ASJC) codes

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