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Glass transition of soft colloids

Philippe, Adrian-Marie ; Truzzolillo, Domenico ; Galvan-Myoshi, Julian ; Dieudonné-George, Philippe ; Trappe, Véronique ; Berthier, Ludovic ; Cipelletti, Luca

In: Physical Review E, 2018, vol. 97, no. 4, p. 040601

We explore the glassy dynamics of soft colloids using microgels and charged particles interacting by steric and screened Coulomb interactions, respectively. In the supercooled regime, the structural relaxation time τα of both systems grows steeply with volume fraction, reminiscent of the behavior of colloidal hard spheres. Computer simulations confirm that the growth of τα on approaching...