CORRELATION-FUNCTION OF THE SPIN-1/2 XXX ANTIFERROMAGNET

被引：81

作者：

KOREPIN, VE

IZERGIN, AG

ESSLER, FHL

UGLOV, DB

机构：

[1] RUSSIAN ACAD SCI, POMI, INST SCI, DEPT MATH, ST PETERSBURG 199106, RUSSIA

[2] UNIV BONN, INST PHYS, D-53115 BONN, GERMANY

来源：

PHYSICS LETTERS A | 1994年 / 190卷 / 02期

关键词：

D O I：

10.1016/0375-9601(94)90074-4

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We consider a special correlation function in the isotropic spin-1/2 Heisenberg antiferromagnet. It is the probability of finding a ferromagnetic string of (adjacent) spins in the antiferromagnetic ground state. We give two different representations for this correlation function. Both of them are exact at any distance, but one is more effective for the description of long distance behaviour, the other for the description of short distance behaviour.

引用

页码：182 / 184

页数：3

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