Laponite: Aging and Shear Rejuvenation of a Colloidal Glass Export

@article{bonn02, abstract = {We study the nonlinear rheological behavior and the microscopic particle dynamics for a colloidal glass, to see whether recently developed models for driven glassy systems can be applied to predict the rheology. Qualitatively, all the findings predicted by the models can be retrieved in our system. Notably, the viscosity decreases strongly with the shear rate. Since it is difficult to predict non-Newtonian viscosities of colloidal systems due to long-ranged hydrodynamic interactions, this shows the promise of this approach for predicting flow behavior. In addition, the measurements allow us to relate the microscopic diffusion dynamics to the macroscopic viscosity of the system.}, author = {Bonn, Daniel and Tanase, Sorin and Abou, B\'{e}reng\`{e}re and Tanaka, Hajime and Meunier, Jacques}, citeulike-article-id = {2719698}, citeulike-linkout-0 = {http://dx.doi.org/10.1103/PhysRevLett.89.015701}, citeulike-linkout-1 = {http://link.aps.org/abstract/PRL/v89/i1/e015701}, citeulike-linkout-2 = {http://link.aps.org/pdf/PRL/v89/i1/e015701}, day = {13}, doi = {10.1103/PhysRevLett.89.015701}, journal = {Physical Review Letters}, keywords = {aging, laponite}, month = {June}, number = {1}, pages = {015701}, posted-at = {2008-08-16 01:48:16}, priority = {2}, publisher = {American Physical Society}, title = {Laponite: Aging and Shear Rejuvenation of a Colloidal Glass}, url = {http://dx.doi.org/10.1103/PhysRevLett.89.015701}, volume = {89}, year = {2002} }

TY - JOUR ID - bonn02 L3 - citeulike-article-id:2719698 N2 - We study the nonlinear rheological behavior and the microscopic particle dynamics for a colloidal glass, to see whether recently developed models for driven glassy systems can be applied to predict the rheology. Qualitatively, all the findings predicted by the models can be retrieved in our system. Notably, the viscosity decreases strongly with the shear rate. Since it is difficult to predict non-Newtonian viscosities of colloidal systems due to long-ranged hydrodynamic interactions, this shows the promise of this approach for predicting flow behavior. In addition, the measurements allow us to relate the microscopic diffusion dynamics to the macroscopic viscosity of the system. IS - 1 JF - Physical Review Letters EP - 015701 TI - Laponite: Aging and Shear Rejuvenation of a Colloidal Glass PB - American Physical Society VL - 89 SP - 015701 KW - aging KW - laponite AU - Bonn, Daniel AU - Tanase, Sorin AU - Abou, Bérengère AU - Tanaka, Hajime AU - Meunier, Jacques PY - 2002/06/13/ UR - http://dx.doi.org/10.1103/PhysRevLett.89.015701 ER -