Finite-size scaling for the spin-1/2 Heisenberg antiferromagnetic chain

被引：22

作者：

Barzykin, V

Affleck, I

机构：

[1] Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32310 USA

[2] Univ British Columbia, Dept Phys, Vancouver, BC V6T 1Z1, Canada

[3] Univ British Columbia, Canadian Inst Adv Res, Vancouver, BC V6T 1Z1, Canada

来源：

JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL | 1999年 / 32卷 / 06期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1088/0305-4470/32/6/001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Corrections to the asymptotic correlation function in a Heisenberg spin-1/2 antiferromagnetic spin chain are known to vanish slowly (logarithmically) as a function of the distance r or the chain size L. This leads to significant differences with numerical results. We calculate the sub-leading logarithmic corrections to the finite-size correlation function, using renormalization group improved perturbation theory, and compare the result with numerical data.

引用

页码：867 / 874

页数：8

共 10 条

[1] CRITICAL-BEHAVIOR OF SPIN-S HEISENBERG ANTIFERROMAGNETIC CHAINS - ANALYTIC AND NUMERICAL RESULTS [J].