We present an analysis of finite-size effects in jammed packings of N soft, frictionless spheres at zero temperature. There is a 1/N correction to the discrete jump in the contact number at the transition so that jammed packings exist only above isostaticity. As a result, the canonical power-law scalings of the contact number and elastic moduli break down at low pressure. These quantities exhibit scaling collapse with a nontrivial scaling function, demonstrating that the jamming transition can be considered a phase transition. Scaling is achieved as a function of N in both two and three dimensions, indicating an upper critical dimension of 2.
Finite-size scaling at the jamming transition.
C. Goodrich,Andrea J. Liu,S. Nagel
Published 2012 in Physical Review Letters
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- Publication year
2012
- Venue
Physical Review Letters
- Publication date
2012-04-22
- Fields of study
Medicine, Physics
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- External record
- Source metadata
Semantic Scholar, PubMed
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