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Glass transition in soft colloids
Collaborations (past and present):
- A. M. Alsayed, J.-C. Castaing, R. Goyal, L. Hough (UMI CNRS 3254, SOLVAY, Bristol, USA)
- S. Wei and H. D. Ou-Yang, (Lehigh University, USA)
- R. Colin, C. Gay, F. Van Wijland, F. Gallet, P. Monceau, N. Pottier (MSC)
- V. Lecomte (LIPhy, Grenoble), E. Pitard (Charles Coulomb, Montpellier)
Dense colloidal suspensions are model systems for the study of glass transition. We are interested in colloidal suspensions of soft spheres that can be designed with particles of varying deformability and interactions. This allows us to obtain a wide variety of behaviours to reproduce the glass transition.
We are interested in aging, heterogeneous dynamics and fluctuation-dissipation relations.
Selected publications :
Aging and Heterogeneous dynamics:
Activity statistics in a colloidal glass former: Experimental evidence for a dynamical transition, B. Abou, R. Colin, V. Lecomte, E. Pitard & F. Van Wijland, , J. Chem. Phys. 148 164502 (2018).
Questioning the relationship between the chi4 susceptibility and the dynamical correlation length in a glass former, R. Colin, A. M. Alsayed, C. Gay and B. Abou, Soft Matter 11 9020 (2015).
Spatially heterogeneous dynamics in a thermosensitive soft suspension before and after the glass transition, R. Colin, A. M. Alsayed, J.-C. Castaing, R. Goyal, L. Hough and B. Abou, Soft Matter 7 4504 (2011).
Fluctuation-dissipation relations :
Probing a nonequilibrium Einstein relation in an aging colloidal glass, B. Abou & F. Gallet, Phys. Rev. Lett. 93 160603 (2004).
Generalized Einstein relation in an aging colloidal glass, B. Abou, F. Gallet, P. Monceau & N. Pottier, Physica A 387 3410 (2008).
Nom des membres actuels ou anciens
General keyword
Teams
Keywords
- Multiscale dynamics, mechanics and rheology
- Glasses and slow dynamics
- Out of equilibrium dynamic systems and nonlinear physics
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