Departures from Ornstein—Zernike Behavior in the Order-Parameter Dynamics of Fluids near the Critical Point
- 1 February 1973
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 7 (2), 747-750
- https://doi.org/10.1103/physreva.7.747
Abstract
The effect of departures from Ornstein—Zernike correlations on the decay rate of order-parameter fluctuations in fluids near the critical point is considered here in the framework of the Kawasaki and Ferrell theories. For reasonable forms for the correlation function, the effect of departures from Ornstein—Zernike behavior varies from 1 to 11%, which is measurable using currently available light-scattering spectroscopic techniques.Keywords
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