This article is cited in 2 papers

Thermophysical Properties of Materials

The phenomenological approach to estimating critical indeces of critical fluid

A. D. Alekhin, O. I. Bilous

Shevchenko National University of Kyiv, Faculty of Physics

Abstract: This work presents a new phenomenological approach to estimating critical indices of critical fluid that are characterized by two components, regular and fluctuational. A direct connection between the small fluctuational components and critical indices of heat capacity and the correlation function has been established. Proceeding from this phenomenological approach, the form of two new equations connecting the critical indices of the field and temperature dependences of the correlation radius is found. This made it possible to estimate all critical indices of the fluctuation theory of phase transitions.

UDC: 532.536

Received: 19.12.2013
Accepted: 05.11.2014

DOI: 10.7868/S0040364415020015

 English version: High Temperature, 2015, 53:2, 199–205

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