Jamming at Zero Temperature, Zero Friction, and Finite Applied Shear Stress

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Reply to “Comment on ‘Jamming at zero temperature and zero applied stress: The epitome of disorder’ ”

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Comment on "Jamming at zero temperature and zero applied stress: The epitome of disorder".

Phys. Rev. E. 68, 011306 (2003)] claim that a special point J of a "jamming phase diagram" (in density, temperature, stress space) is related to random close packing of hard spheres and that it represents, for their suggested definitions of jammed and random, the recently introduced maximally random jammed state. We point out several difficulties with their definitions and question some of thei...

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Jamming at zero temperature and zero applied stress: the epitome of disorder.

We have studied how two- and three-dimensional systems made up of particles interacting with finite range, repulsive potentials jam (i.e., develop a yield stress in a disordered state) at zero temperature and zero applied stress. At low packing fractions phi, the system is not jammed and each particle can move without impediment from its neighbors. For each configuration, there is a unique jamm...

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Finite size analysis of zero-temperature jamming transition under applied shear stress by minimizing a thermodynamic-like potential.

By finding local minima of a thermodynamic-like potential, we generate jammed packings of frictionless spheres under constant shear stress σ and obtain the yield stress σy by sampling the potential energy landscape. For three-dimensional systems with harmonic repulsion, σy satisfies the finite size scaling with the limiting scaling relation σy∼ϕ-ϕc,∞, where ϕc,∞ is the critical volume fraction ...

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2 7 Ju n 20 05 Comment on “ Jamming at zero temperature and zero applied stress : The epitome of disorder ”

O’Hern, Silbert, Liu and Nagel [Phys. Rev. E. 68 , 011306 (2003)] (OSLN) claim that a special point J of a ”jamming phase diagram” (in density, temperature, stress space) is related to random close packing of hard spheres, and that it represents, for their suggested definitions of jammed and random, the recently introduced maximally random jammed state. We point out several difficulties with th...

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ژورنال

عنوان ژورنال: Physical Review Letters

سال: 2009

ISSN: 0031-9007,1079-7114

DOI: 10.1103/physrevlett.103.235701