Decorrelation of the static and dynamic length scales in hard-sphere glass formers.
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We show that, in the equilibrium phase of glass-forming hard-sphere fluids in three dimensions, the static length scales tentatively associated with the dynamical slowdown and the dynamical length characterizing spatial heterogeneities in the dynamics unambiguously decorrelate. The former grow at a much slower rate than the latter when density increases. This observation is valid for the dynamical range that is accessible to computer simulations, which roughly corresponds to that accessible in colloidal experiments. We also find that, in this same range, no one-to-one correspondence between relaxation time and point-to-set correlation length exists. These results point to the coexistence of several relaxation mechanisms in the dynamically accessible regime of three-dimensional hard-sphere glass formers.
Published Version (Please cite this version)10.1103/PhysRevE.87.042305
Publication InfoCharbonneau, Patrick; & Tarjus, Gilles (2013). Decorrelation of the static and dynamic length scales in hard-sphere glass formers. Phys Rev E Stat Nonlin Soft Matter Phys, 87(4). pp. 042305. 10.1103/PhysRevE.87.042305. Retrieved from https://hdl.handle.net/10161/12612.
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Associate Professor of Chemistry
Professor Charbonneau studies soft matter. His work combines theory and simulation to understand the glass problem, protein crystallization, microphase formation, and colloidal assembly in external fields.