HIGH-TEMPERATURE SERIES EXPANSIONS FOR THE (2 + 1)-DIMENSIONAL ISING-MODEL

被引：104

作者：

HE, HX

HAMER, CJ

OITMAA, J

机构：

[1] Sch. of Phys., New South Wales Univ., Kensington, NSW

来源：

JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL | 1990年 / 23卷 / 10期

关键词：

D O I：

10.1088/0305-4470/23/10/018

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Using efficient cluster expansion methods, the known high-temperature series for the vacuum energy, specific heat, susceptibility and mass gap of the (2+1)-dimensional Ising model on the square and triangular lattices have been extended by several terms. Estimates of the critical indices demonstrate very convincing universality with the Euclidean version of the model.

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页码：1775 / 1787

页数：13

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