Hydrodynamics and molecular motion: A phenomenological approach

Myron Evans and Paolo Grigolini

Physica A: Statistical Mechanics and its Applications, 1981, vol. 105, issue 1, 31-52

Abstract: A series of phenomenological macro-micro correlations is developed for single and multi-particle correlation functions descriptive of molecular rototranslation. The relation between hydrodynamic and molecular theories of molecular motion may then be investigated in the Markov limit. It is emphasised that a Mori continued fraction for non-Markov statistics and molecular motion on the single particle level is inconsistent with the unmodified viscoelastic approach exemplified by Bixon and Zwanzig. The analytical autocorrelation function must be related to a multimolecule correlation function via a macro-micro relation before comparison with the hydrodynamic theories is fruitful.

Date: 1981
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:105:y:1981:i:1:p:31-52

DOI: 10.1016/0378-4371(81)90062-5

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