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APS » Journals » Phys. Rev. Lett. » Volume 99 » Issue 18
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Phys. Rev. Lett. 99, 188001 (2007) [4 pages]

Collective Behavior in a Granular Jet: Emergence of a Liquid with Zero Surface Tension

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Xiang Cheng, German Varas*, Daniel Citron, Heinrich M. Jaeger, and Sidney R. Nagel
The James Franck Institute and Department of Physics, The University of Chicago, Chicago, Illinois 60637, USA

Received 14 June 2007; published 1 November 2007

We perform the analog to “water bell” experiments with granular jets. Rebounding from cylindrical targets, wide granular jets produce sheets or cones with shapes that mimic a zero-surface-tension liquid. The jets’ particulate nature appears when the number of particles in the cross section is decreased: the emerging structures broaden, gradually disintegrating into diffuse sprays. The experiment has a counterpart in the behavior of quark-gluon plasmas generated by colliding heavy ions. There, a high collision density gives rise to collective behavior also described as a liquid.

© 2007 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.99.188001
DOI:
10.1103/PhysRevLett.99.188001
PACS:
45.70.Mg, 47.55.Ca

*Present address: Departmento de Fisica, Universidad de Chile, Casilla 487-3, Santiago, Chile.

 
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