Sat, 19 Jul 2008 03:07:08 BST CiteULike: dchen's Courtland http://www.citeulike.org/user/dchen/author/Courtland CiteULike.org en-gb Copyright © 2004-2008 citeulike.org http://www.citeulike.org/user/dchen/article/2719807 <i>Journal of Physics: Condensed Matter, Vol. 15, No. 1. (2003), pp. S359-S365.</i><br /><br />We use confocal microscopy to directly visualize the dynamics of ageing colloidal glasses. We prepare a colloidal suspension at high density, a simple model system that shares many properties with other glasses, and initiate experiments by stirring the sample. We follow the motion of several thousand colloidal particles after the stirring and observe that their motion significantly slows as the sample ages. The ageing is both spatially and temporally heterogeneous. Furthermore, while the characteristic relaxation timescale grows with the age of the sample, nontrivial particle motions continue to occur on all timescales. Direct visualization of ageing in colloidal glasses Rachel Courtland Eric Weeks doi:10.1088/0953-8984/15/1/349 Journal of Physics: Condensed Matter, Vol. 15, No. 1. (2003), pp. S359-S365. 2008-04-26T00:03:39-00:00 2003 Journal of Physics: Condensed Matter 15 1 S359 S365 colloids glass technique weeks