Breakdown of the validity of the mode-coupling theory for sound propagation in a critical binary mixture
- 1 March 1980
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 21 (3) , 928-931
- https://doi.org/10.1103/physreva.21.928
Abstract
Sound absorption and dispersion near the critical point in a critical binary mixture are studied numerically within the framework of the Kawasaki mode-coupling theory. The critical absorption shows a marked decrease near the critical point, in contrast to the usual critical behavior. It is shown here that the existing mode-coupling approach breaks down over a wide range of frequencies and temperatures.Keywords
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