Concentration dependence of long-time tails in colloidal suspensions

Scott T. Milner, Andrea J. Liu

Research output: Contribution to journalArticle

16 Scopus citations

Abstract

Long-time tails in the velocity autocorrelation functions of colloidal particles immersed in fluid have been predicted for some time, and recently observed in experiments using diffusing-wave spectroscopy. We compute the linear effect of finite concentration of particles on the low-frequency (1/2) correction to the mobility of one colloidal particle, and hence the effect on the long-time tails, using a reflection method. The results are consistent with general arguments for the form of long-time tails in an effective medium.

Original languageEnglish (US)
Pages (from-to)449-454
Number of pages6
JournalPhysical Review E
Volume48
Issue number1
DOIs
StatePublished - Jan 1 1993

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Statistics and Probability
  • Condensed Matter Physics

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