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Driven Granular Media and Dissipative Gases: Correlations and Liquid-Gas Phase Transitions

Published online by Cambridge University Press:  10 February 2011

D.R.M. Williams
D.R.M. Williams*
Affiliation:
Institute of Advanced Studies, Research School of Physical Sciences and Engineering The Australian National University, Canberra
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Abstract

We study a simple model of a granular material or powder where the particles are excited by an external noise source and dissipate energy by inelastic collisions. Due to the inelastic collisions between particles there is an effective interaction between them. In one dimension this leads to long-range correlations between the particles in a gas phase despite the absence of long-range forces between the particles. In two dimensions the dissipative effects cause a very sharp liquid-gas phase transition at which the susceptibility has a pronounced peak.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 463: Symposia EE – Statistical Mechanics in Physics and Biology , 1996 , 325
Copyright
Copyright © Materials Research Society 1997

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References

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