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APS » Journals » Phys. Rev. Lett. » Volume 88 » Issue 23
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Phys. Rev. Lett. 88, 234301 (2002) [4 pages]

Ordered Clusters and Dynamical States of Particles in a Vibrated Fluid

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Greg A. Voth1, B. Bigger1, M. R. Buckley1, W. Losert1,*, M. P. Brenner2, H. A. Stone2, and J. P. Gollub1,3
1Department of Physics, Haverford College, Haverford, Pennsylvania 19041
2Division of Engineering and Applied Sciences, Harvard University, Cambridge Massachusetts 02138
3Department of Physics, University of Pennsylvania, Philadelphia, Pennsylvania 19104

Received 4 February 2002; published 20 May 2002

Fluid-mediated interactions between particles in a vibrating fluid lead to both long range attraction and short range repulsion. The resulting patterns include hexagonally ordered microcrystallites, time-periodic structures, and chaotic fluctuating patterns with complex dynamics. A model based on streaming flow gives a good quantitative account of the attractive part of the interaction.

© 2002 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.88.234301
DOI:
10.1103/PhysRevLett.88.234301
PACS:
45.70.Qj, 05.65.+b, 47.15.Cb, 47.55.Kf

*Present address: IREAP, University of Maryland, College Park, Maryland 20742-3511.

 
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