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

Xiang Cheng, German Varas, Daniel Citron, Heinrich M. Jaeger, and Sidney R. Nagel
Phys. Rev. Lett. 99, 188001 – Published 1 November 2007

Abstract

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.

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  • Received 14 June 2007

DOI:https://doi.org/10.1103/PhysRevLett.99.188001

©2007 American Physical Society

Authors & Affiliations

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

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

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Issue

Vol. 99, Iss. 18 — 2 November 2007

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