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Jamming in attractive granular media
Author(s) -
Lois Gregg,
Blawzdziewicz Jerzy,
O'Hern Corey S.
Publication year - 2007
Publication title -
pamm
Language(s) - English
Resource type - Journals
ISSN - 1617-7061
DOI - 10.1002/pamm.200700510
Subject(s) - jamming , statistical physics , infinitesimal , percolation threshold , percolation (cognitive psychology) , phase transition , rigidity (electromagnetism) , critical exponent , percolation critical exponents , attraction , physics , condensed matter physics , lattice (music) , mathematics , mathematical analysis , quantum mechanics , neuroscience , acoustics , biology , electrical resistivity and conductivity , linguistics , philosophy
The jamming transition is studied numerically in systems of particles with attraction. Unlike the purely repulsive case where a single transition separates the jammed from unjammed phase, the presence of even an infinitesimal amount of attraction yields two distinct transitions: connectivity and rigidity percolation. We measure critical exponents of these two percolation transitions and find that they are different than the corresponding lattice values. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)