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A new description regarding the approach to double criticality in quasi-binary liquid mixtures

Narayanan, T and Kumar, A and Gopal, ESR (1991) A new description regarding the approach to double criticality in quasi-binary liquid mixtures. In: Physics Letters A, 155 (4-5). pp. 276-280.

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Abstract

Electrical resistance and phase diagram measurements are reported for reentrant liquid mixtures 3-methylpyridine + water + NaCI and 3-methylpyridine + water + heavy water respectively. The results are analyzed employing a new field variable — which allows for the description of the access to any point on the critical line — by the same universal exponent. This method is also in agreement with the doubling of the critical exponents near the double critical point, using the conventional field variable $|(T_c-T)/T_c|$.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 14 Sep 2006
Last Modified: 19 Sep 2010 04:31
URI: http://eprints.iisc.ernet.in/id/eprint/8540

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