Structural relaxation by digital-correlation spectroscopy

C. Demoulin; C. J. Montrose; N. Ostrowsky

doi:10.1103/PhysRevA.9.1740

Structural relaxation by digital-correlation spectroscopy

C. Demoulin, C. J. Montrose, and N. Ostrowsky

Phys. Rev. A 9, 1740 – Published 1 April 1974

Abstract

The utility of digital-correlation spectroscopy for investigating structural relaxation in liquids on time scales from 1 μsec to 1 sec is established. A digital correlator was used to analyze the Rayleigh scattering of light from undercooled glycerol. The correlation function obtained is related to the isothermal structural relaxation dynamics of the liquid. The data were found to join smoothly with those obtained ultrasonically at higher temperatures.

Received 2 July 1973

DOI:https://doi.org/10.1103/PhysRevA.9.1740

Authors & Affiliations

C. Demoulin, C. J. Montrose^*, and N. Ostrowsky

Laboratoire de Physique de l'Ecole Normale Supérieure, Université de Paris, Paris, France

^*Permanent address: Department of Physics, Catholic University, Washington, D. C. 20017.

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Vol. 9, Iss. 4 — April 1974

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