Effect of rare events on out-of-equilibrium relaxation

@article{citeulike:773612, abstract = {This Letter reports experimental and numerical results on particle dynamics in an out-of-equilibrium granular medium. We observed two distinct types of grain motion: the well known cage motion, during which a grain is always surrounded by the same neighbors, and low probability "jumps," during which a grain moves significantly more relative to the others. These observations are similar to the results obtained for other out-of-equilibrium systems (glasses, colloidal systems, etc.). Although such jumps are extremely rare, by inhibiting them in numerical simulations we demonstrate that they play a significant role in the relaxation of out-of-equilibrium systems.}, citeulike-article-id = {773612}, keywords = {aging, grain}, posted-at = {2006-07-25 19:42:10}, priority = {2}, title = {Effect of rare events on out-of-equilibrium relaxation}, url = {http://portal.isiknowledge.com/portal.cgi/wos?Init=Yes\&\#38;SID=E1JPmgna18HLi87@GJF} }

TY - JOUR ID - citeulike:773612 L3 - citeulike-article-id:773612 TI - Effect of rare events on out-of-equilibrium relaxation N2 - This Letter reports experimental and numerical results on particle dynamics in an out-of-equilibrium granular medium. We observed two distinct types of grain motion: the well known cage motion, during which a grain is always surrounded by the same neighbors, and low probability "jumps," during which a grain moves significantly more relative to the others. These observations are similar to the results obtained for other out-of-equilibrium systems (glasses, colloidal systems, etc.). Although such jumps are extremely rare, by inhibiting them in numerical simulations we demonstrate that they play a significant role in the relaxation of out-of-equilibrium systems. KW - aging KW - grain UR - http://portal.isiknowledge.com/portal.cgi/wos?Init=Yes&SID=E1JPmgna18HLi87@GJF ER -