Model for viscoelasticity in a binary mixture

Harbola, Upendra ; Das, Shankar P. (2002) Model for viscoelasticity in a binary mixture Journal of Chemical Physics, 117 (21). pp. 9844-9849. ISSN 0021-9606

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The viscoelastic response of a binary mixture in the dense supercooled state is studied close to the dynamic transition point of the self-consistent mode-coupling theory. Relaxation of the transverse current correlation functions for the isotropic liquid shows a crossover from the propagating shear waves to diffusive shear mode at a critical wave number q0. q0 decreases with increasing density indicating growing correlations, similar to what is observed in computer simulation studies of the same systems. Anomalous stretching of the frequency-dependent shear modulus G(ω) with density is also observed.

Item Type:Article
Source:Copyright of this article belongs to American Institute of Physics.
Keywords:Viscoelasticity; Mixtures; Supercooling
ID Code:93977
Deposited On:30 Jun 2012 12:30
Last Modified:30 Jun 2012 12:30

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