%0 Journal Article %1 majmudar:058001 %A Majmudar, T. S. %A Sperl, M. %A Luding, S. %A Behringer, R. P. %D 2007 %I APS %J Physical Review Letters %K jamming granular disk photoelastic physics imported %N 5 %P 058001 %T Jamming Transition in Granular Systems %U http://link.aps.org/abstract/PRL/v98/e058001 %V 98 %X Recent simulations have predicted that near jamming for collections of spherical particles, there will be a discontinuous increase in the mean contact number Z at a critical volume fraction c . Above c , Z and the pressure P are predicted to increase as power laws in  ÿ c . In experiments using photoelastic disks we corroborate a rapid increase in Z at c and power-law behavior above c for Z and P. Specifically we find a power-law increase as a function of  ÿ c for Z ÿ Zc with an exponent  around 0.5, and for P with an exponent around 1.1. These exponents are in good agreement with simulations. We also find reasonable agreement with a recent mean-field theory for frictionless particles.

@article{majmudar:058001, abstract = { Recent simulations have predicted that near jamming for collections of spherical particles, there will be a discontinuous increase in the mean contact number Z at a critical volume fraction c . Above c , Z and the pressure P are predicted to increase as power laws in  ÿ c . In experiments using photoelastic disks we corroborate a rapid increase in Z at c and power-law behavior above c for Z and P. Specifically we find a power-law increase as a function of  ÿ c for Z ÿ Zc with an exponent  around 0.5, and for P with an exponent around 1.1. These exponents are in good agreement with simulations. We also find reasonable agreement with a recent mean-field theory for frictionless particles. }, added-at = {2007-02-07T17:22:53.000+0100}, author = {Majmudar, T. S. and Sperl, M. and Luding, S. and Behringer, R. P.}, biburl = {https://www.bibsonomy.org/bibtex/2b88d31c9c2957ac7db812a77279f693f/andreab}, eid = {058001}, interhash = {f19f0a1d87ca0414b179a4137d539072}, intrahash = {b88d31c9c2957ac7db812a77279f693f}, journal = {Physical Review Letters}, keywords = {jamming granular disk photoelastic physics imported}, number = 5, numpages = {4}, pages = 058001, publisher = {APS}, timestamp = {2007-02-07T17:22:53.000+0100}, title = {Jamming Transition in Granular Systems}, url = {http://link.aps.org/abstract/PRL/v98/e058001}, volume = 98, year = 2007 }