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Scaling of fluctuations in a colloidal glass
P. Wang, C. Song, H. A. Makse
We report experimental measurements of particle dynamics in a colloidal glass in order to understand the dynamical heterogeneities associated with the cooperative motion of the par…
Dynamic particle tracking reveals the aging temperature of a colloidal glass
Ping Wang, Chaoming Song, Hernan A. Makse
Understanding glasses is considered to be one of the most fundamental problems in statistical physics. A theoretical approach to unravel their universal properties is to consider t…
Fluorescent contacts measure the coordination number and entropy of a 3D jammed emulsion packing
J. Brujic, G. Marty, C. Song +2
Jammed matter is by definition impenetrable to light, rendering the characterization of the 3D geometry difficult. Confocal microscopy of a dyed, refractive index matched emulsion…
Dynamic effective mass of granular media
Chaur-Jian Hsu, David L. Johnson, Rohit A. Ingale +3
We develop the concept of frequency dependent effective mass, M(omega), of jammed granular materials which occupy a rigid cavity to a filling fraction of 48%, the remaining volume…