Configurational free energy in order-disorder transitions from Monte Carlo calculations for systems under external fields

被引：10

作者：

Ichitsubo, T ^{[1
]}

Tanaka, K ^{[1
]}

Numakura, H ^{[1
]}

Koiwa, M ^{[1
]}

机构：

[1] Kyoto Univ, Dept Mat Sci & Engn, Kyoto 6068501, Japan

来源：

PHYSICAL REVIEW B | 1999年 / 60卷 / 13期

关键词：

D O I：

10.1103/PhysRevB.60.9198

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A procedure for calculating the configurational free energy with the Monte Carlo simulation is presented, accounting for the case of the application of external fields. First, the free energy for the L1(0) ordering systems without any external fields has been evaluated for the various values of the second nearest-neighbor effective interaction, and the feature of this method has been discussed from the viewpoint of the pair correlation. Next, this method has been applied to the case of application of external fields, demonstrating the calculation of the free energy under an external stress held For the L1(0) phase that has a tetragonal distortion dependent on the long-range order parameter. [S0163-1829(99)06037-3].

引用

页码：9198 / 9201

页数：4

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