Dynamic viscosity of a simple glass-forming liquid

Narayanan Menon, Sidney R. Nagel, David C. Venerus

Research output: Contribution to journalArticlepeer-review

76 Scopus citations


We have measured the viscosity η and the frequency-dependent shear modulus of the glass-forming liquid di-η-butylphthalate. Both η and the shear relaxation time τ have non-Arrhenius dependence on temperature T. The ratio ητT is weakly T dependent implying a slight deviation from the Einstein-Debye equation. This is fully explained by a smooth evolution of the relaxation spectrum and is not accompanied by growth of the elastic shear modulus or a correlation length, as had been suggested.

Original languageEnglish (US)
Pages (from-to)963-966
Number of pages4
JournalPhysical Review Letters
Issue number7
StatePublished - 1994
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


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