Next nearest-neighbor correlation functions of the spin-1/2 XXZ chain at massive region

被引：27

作者：

Takahashi, M ^{[1
]}

Kato, G

Shiroishi, M

机构：

[1] Univ Tokyo, Inst Solid State Phys, Kashiwa, Chiba 2778571, Japan

[2] Univ Tokyo, Dept Phys, Grad Sch Sci, Bunkyo Ku, Tokyo 1130033, Japan

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2004年 / 73卷 / 01期

关键词：

correlation function; Bethe ansatz; XXZ chain; solvable models;

D O I：

10.1143/JPSJ.73.245

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The second neighbor correlation functions of the spin-1/2 XXZ chain in the ground state are expressed in the form of three dimensional integrals. We show that these integrals can be reduced to one-dimensional ones and thereby evaluate the values of the next nearest-neighbor correlation functions for Delta > 1.

引用

页码：245 / 253

页数：9

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