Peculiarities in the behavior of the entropy diameter for molecular liquids as the reflection of molecular rotations and the excluded volume effects |
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Authors: | L.A. Bulavin N.P. Malomuzh |
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Affiliation: | a Department of Molecular Physics, Kiev University, Glushko 6, 03022 Kiev, Ukraineb Department of Theoretical Physics, Odessa University, 65026 Odessa, Ukraine |
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Abstract: | The behavior of the diameter of the coexistence curve in terms of the entropy and the corresponding diameter are investigated. It is shown that the diameter of the coexistence curve in terms of the entropy is sensitive to the change in the character of the rotational motion of the molecule in liquid phase which is governed by the short range correlations. The model of the compressible effective volume is proposed to describe the phase coexistence both in terms of the density and the entropy. |
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Keywords: | Coexistence curve Entropy Free volume |
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