Abstract
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 language | English (US) |
|---|---|
| Pages (from-to) | 963-966 |
| Number of pages | 4 |
| Journal | Physical Review Letters |
| Volume | 73 |
| Issue number | 7 |
| DOIs | |
| State | Published - 1994 |
| Externally published | Yes |
All Science Journal Classification (ASJC) codes
- General Physics and Astronomy
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