Issue 4, 2015

Transition from diffusive to subdiffusive motion in colloidal liquids

Abstract

In this work we report experimental and theoretical results for the motion of single colloidal particles embedded in complex fluids with different interparticle interactions. The motion of particles is found to follow a similar behavior for the different systems. In particular, the transition from the short-time diffusive motion to the subdiffusive intermediate-time motion is found to occur when the square root of its mean squared displacement is in the order of 1 tenth of the neighbors' interparticle distance, thus following a quantitative criterion similar to Lindemann's criterion for melting.

Graphical abstract: Transition from diffusive to subdiffusive motion in colloidal liquids

Article information

Article type
Communication
Submitted
16 Sep 2014
Accepted
03 Dec 2014
First published
03 Dec 2014

Soft Matter, 2015,11, 655-658

Author version available

Transition from diffusive to subdiffusive motion in colloidal liquids

M. J. Sánchez-Miranda, B. Bonilla-Capilla, E. Sarmiento-Gómez, E. Lázaro-Lázaro, A. Ramírez-Saito, M. Medina-Noyola and J. L. Arauz-Lara, Soft Matter, 2015, 11, 655 DOI: 10.1039/C4SM02078B

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