Physics – Condensed Matter – Soft Condensed Matter
Scientific paper
2009-02-12
Phys. Rev. Lett. 102, 218303 (2009)
Physics
Condensed Matter
Soft Condensed Matter
4 pages, 6 figures, revised version
Scientific paper
10.1103/PhysRevLett.102.218303
We study the rheology of amorphous packings of soft, frictionless particles close to jamming. Implementing a quasistatic simulation method we generate a well defined ensemble of states that directly samples the system at its yield-stress. A continuous jamming transition from a freely-flowing state to a yield stress situation takes place at a well defined packing fraction, where the scaling laws characteristic of isostatic solids are observed. We propose that long-range correlations observed below the transition are dominated by this isostatic point, while those that are observed above the transition are characteristic of dense, disordered elastic media.
Barrat Jean Louis
Heussinger Claus
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