ON QUANTUM GROUP INVARIANT SPIN CHAINS AT ROOTS OF UNITY END 2-POINT CORRELATION-FUNCTIONS

被引：0

作者：

HINRICHSEN, H

机构：

[1] Institut für Theoretische Physik, Freie Universität Berlin, Berlin, D-14195

来源：

CZECHOSLOVAK JOURNAL OF PHYSICS | 1994年 / 44卷 / 11-12期

关键词：

D O I：

10.1007/BF01690455

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We review the recent developement in the investigation of quantum group invariant two-point correlation functions for quantum spin chains. Starting from the algebraic definition of invariant two-point operators which are already known for the XXZ Heisenberg chain, we compute the corresponding correlation function for the XY chain. The uniqueness and the physical relevance of invariant correlation functions is discussed.

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页码：1029 / 1040

页数：12

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