Critical Opalescence: Models—Experiment

Dmitri Yu. Ivanov ()
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Dmitri Yu. Ivanov: Saint-Petersburg State University of Refrigeration and Food Engineering

A chapter in Mathematical Modeling, 2001, pp 37-50 from Springer

Abstract: Abstract The critical opalescence investigations were always,1, 2 and especially during last years, the subject of the top interest.3, 4 The nature of critical opalescence as well as the nature of critical phenomena in general is determined by enormous growth of order parameter fluctuations with the approaching to the critical point.5, 6 Light is a perfect instrument to study these fluctuations, while its influence on the medium is negligible. While the light wave length proves to be comparable with the typical size of fluctuations at temperatures close to the critical temperature (T c ) one can obtain the microscopic characteristics of the medium such as the correlation radius (ξ)of fluctuations and their relaxation time $$\bar \tau $$ ( $$\bar \tau $$ ∝1/Г, Г being the scattering spectrum half-width) using light scattering.

Keywords: Multiple Scattering; Critical Phenomenon; Brownian Particle; Turbid Medium; Critical Fluctuation (search for similar items in EconPapers)
Date: 2001
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-1-4757-3397-6_4

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DOI: 10.1007/978-1-4757-3397-6_4

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