STUDIES OF THE GAUSSIAN MODEL .3. THE 3-COMPONENT SYSTEM

被引：4

作者：

BARAM, A ^{[1
]}

MADDOX, MW ^{[1
]}

ROWLINSON, JS ^{[1
]}

机构：

[1] SOREQ NUCL RES CTR,DEPT ATMOSPHER OPT,IL-70600 YAVNE,ISRAEL

来源：

MOLECULAR PHYSICS | 1993年 / 79卷 / 03期

关键词：

D O I：

10.1080/00268979300101471

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A three-component version of the continuum Gaussian model has tricritical points. These are studied by calculations based on the virial equation of state up to tenth order for dimensionalities of 2- 1 0. At high dimensionalities (d greater-than-or-equal-to 4) the tricritical points are certainly 'normal' or asymmetrical. At d = 3 the evidence is that they are also normal, but at d = 2 and (probably) at d = 2.5 there appears to be a single 'anomalous' tricritical point. A borderline dimensionality of between 2.5 and 3 agrees with the results of parallel work on the three-state Potts lattice model. Both models appear to belong to the same universality class.

引用

页码：589 / 596

页数：8

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