Tetramerization of a frustrated spin-1/2 chain

被引：22

作者：

Becca, F ^{[1
]}

Mila, F

Poilblanc, D

机构：

[1] Natl Simulat Ctr, INFM Democritos, I-34014 Trieste, Italy

[2] SISSA, I-34014 Trieste, Italy

[3] Univ Lausanne, Inst Phys Theor, CH-1015 Lausanne, Switzerland

[4] Univ Toulouse 3, Phys Theor Lab, CNRS, UMR 5152, F-31062 Toulouse, France

来源：

PHYSICAL REVIEW LETTERS | 2003年 / 91卷 / 06期

关键词：

D O I：

10.1103/PhysRevLett.91.067202

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We investigate a model of a frustrated spin-1/2 Heisenberg chain coupled to adiabatic phonons with a general form of magnetoelastic coupling. For large enough frustration and lattice coupling, a new tetramerized phase with three different bond lengths is found. We argue that the zigzag spin-1/2 chain LiV2O5 might be a good candidate to observe such a phase.

引用

页数：4

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