Self-replicating holes in a vertically vibrated dense suspension

H. Ebata, M. Sano

研究成果: ジャーナルへの寄稿学術誌査読

13 被引用数 (Scopus)

抄録

We find self-replicating holes on the surface of a vertically vibrated potato starch suspension. Above certain acceleration, the finite-amplitude deformation of the surface grows to form a hole that penetrates the fluid layer. The circular shape of the hole is not stable, and the hole begins to replicate just like the self-replicating spots in chemical reaction-diffusion systems. At high acceleration, these holes exhibit spatiotemporal chaos. By assessing the statistical properties in a steady state, we show that fluctuation in the number of holes can be understood by a master equation.

本文言語英語
論文番号088301
ジャーナルPhysical review letters
107
8
DOI
出版ステータス出版済み - 8月 16 2011
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 物理学および天文学(全般)

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