Exact correlation amplitude for the S=1/2 Heisenberg antiferromagnetic chain

被引：97

作者：

Affleck, I ^{[1
]}

机构：

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

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

来源：

JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL | 1998年 / 31卷 / 20期

关键词：

D O I：

10.1088/0305-4470/31/20/002

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The exact amplitude for the asymptotic correlation function in the S = 1/2 Heisenberg antiferromagnetic chain is determined: ((S0Srb)-S-a) --> (-1)(r) delta(ab)(ln r)(1/2)/[(2 pi)(3/2)r]. The behaviour of the correlation functions for small xxz anisotropy and the form of finite-size corrections to the correlation function are also analysed.

引用

页码：4573 / 4581

页数：9

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