Finite-size scaling in the transverse Ising model on a square lattice

被引：40

作者：

Hamer, CJ ^{[1
]}

机构：

[1] Univ New S Wales, Sch Phys, Sydney, NSW 2052, Australia

来源：

JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL | 2000年 / 33卷 / 38期

关键词：

D O I：

10.1088/0305-4470/33/38/303

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Energy eigenvalues and order parameters are calculated by exact diagonalization for the transverse Ising model on square lattices of up to 6 x 6 sites. Finite-size scaling is used to estimate the critical parameters of the model, confirming universality with the three-dimensional classical Ising model. Critical amplitudes are also estimated for both the energy gap and the ground-state energy.

引用

页码：6683 / 6698

页数：16

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