umu.sePublications
Change search
ReferencesLink to record
Permanent link

Direct link
Search for hyperuniformity in mechanically stable packings of frictionless disks above jamming
Umeå University, Faculty of Science and Technology, Department of Physics.
2015 (English)In: Physical Review E. Statistical, Nonlinear, and Soft Matter Physics, ISSN 1539-3755, E-ISSN 1550-2376, Vol. 92, no 5, 052206Article in journal (Refereed) PublishedText
Abstract [en]

We numerically simulate mechanically stable packings of soft-core, frictionless, bidisperse disks in two dimensions, above the jamming packing fraction phi(J). For configurations with a fixed isotropic global stress tensor, we investigate the fluctuations of the local packing fraction phi(r) to test whether such configurations display the hyperuniformity that has been claimed to exist exactly at phi(J). For our configurations, generated by a rapid quench protocol, we find that hyperuniformity persists only out to a finite length scale and that this length scale appears to remain finite as the system stress decreases towards zero, i.e., towards the jamming transition. Our result suggests that the presence of hyperuniformity at jamming may be sensitive to the specific protocol used to construct the jammed configurations.

Place, publisher, year, edition, pages
American Physical Society , 2015. Vol. 92, no 5, 052206
National Category
Fusion, Plasma and Space Physics
Identifiers
URN: urn:nbn:se:umu:diva-113729DOI: 10.1103/PhysRevE.92.052206ISI: 000365871500009OAI: oai:DiVA.org:umu-113729DiVA: diva2:890029
Available from: 2015-12-30 Created: 2015-12-28 Last updated: 2015-12-30Bibliographically approved

Open Access in DiVA

No full text

Other links

Publisher's full text

Search in DiVA

By author/editor
Olsson, Peter
By organisation
Department of Physics
In the same journal
Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
Fusion, Plasma and Space Physics

Search outside of DiVA

GoogleGoogle Scholar
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

Altmetric score

Total: 10 hits
ReferencesLink to record
Permanent link

Direct link