HIDDEN SYMMETRIES IN THE ONE-DIMENSIONAL ANTIFERROMAGNETIC HEISENBERG-MODEL

被引：9

作者：

FABRICIUS, K ^{[1
]}

MUTTER, KH ^{[1
]}

GROSSE, H ^{[1
]}

机构：

[1] UNIV VIENNA,INST THEORET PHYS,A-1010 VIENNA,AUSTRIA

来源：

PHYSICAL REVIEW B | 1990年 / 42卷 / 07期

关键词：

D O I：

10.1103/PhysRevB.42.4656

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Nontrivial conservation laws of the antiferromagnetic Heisenberg (AFH) model for periodic rings are used for an efficient computation of the energy eigenstates in the SP0 sector, a sector with zero total spin and momentum. The appearance of twofold-degenerate eigenvalues is consequence of conserved operators, which are antisymmetric under reflection. © 1990 The American Physical Society.

引用

页码：4656 / 4662

页数：7

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