We report an optical heterodyne-detected transient grating experiment of glass-forming 3-methylpentane at different temperatures and wave vectors in the supercooled liquid range near the glass transition. We extract sound velocities, structural times and thermal diffusivities from fitting the spectra with a hydrodynamic model parametrizing the memory function of the viscosity with a stretched exponential.
Hydrodynamic study of 3-methylpentane by transient grating experiments
Eramo R
2004
Abstract
We report an optical heterodyne-detected transient grating experiment of glass-forming 3-methylpentane at different temperatures and wave vectors in the supercooled liquid range near the glass transition. We extract sound velocities, structural times and thermal diffusivities from fitting the spectra with a hydrodynamic model parametrizing the memory function of the viscosity with a stretched exponential.File in questo prodotto:
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