Swirling Granular Matter: From Rotation to Reptation
统计力学
2009-11-07 v1
摘要
A novel effect in a granular material under swirling motion of the container is presented. At low packing densities the material rotates in the same direction as the swirling motion of the container (rotation). At higher densities the cluster of granular material rotates in opposite direction (reptation). The change of the direction of the motion of the cluster takes place at a critical packing density while the diffusion coefficient changes significantly. The measured critical density of the packing is in good agreement with results obtained by molecular dynamics simulation.
引用
@article{arxiv.cond-mat/0203437,
title = {Swirling Granular Matter: From Rotation to Reptation},
author = {Michael A. Scherer and Volkhard Buchholtz and Thorsten Poeschel and Ingo Rehberg},
journal= {arXiv preprint arXiv:cond-mat/0203437},
year = {2009}
}
备注
4 pages, 4 figures