We numerically produce fully amorphous assemblies of frictionless spheres in three dimensions and study the jamming transition these packings undergo at large volume fractions. We specify four protocols yielding a critical value for the jamming volume fraction which is sharply defined in the limit of large system size, but is different for each protocol. Thus, we directly establish the existence of a continuous range of volume fractions where nonequilibrium jamming transitions occur. However, these jamming transitions share the same critical behavior. Our results suggest that, even in the absence of partial crystalline ordering, a unique location of a random close packing does not exist.
Jamming transitions in amorphous packings of frictionless spheres occur over a continuous range of volume fractions.
P. Chaudhuri,L. Berthier,S. Sastry
Published 2009 in Physical Review Letters
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- Publication year
2009
- Venue
Physical Review Letters
- Publication date
2009-10-02
- Fields of study
Medicine, Materials Science, Physics
- Identifiers
- External record
- Source metadata
Semantic Scholar, PubMed
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