Vector chiral order in frustrated spin chains

被引：52

作者：

McCulloch, I. P. ^{[1
]}

Kube, R. ^{[1
]}

Kurz, M. ^{[1
]}

Kleine, A. ^{[1
]}

Schollwoeck, U. ^{[1
]}

Kolezhuk, A. K. ^{[1
]}

机构：

[1] Rhein Westfal TH Aachen, Inst Theoret Phys C, D-52056 Aachen, Germany

来源：

PHYSICAL REVIEW B | 2008年 / 77卷 / 09期

关键词：

D O I：

10.1103/PhysRevB.77.094404

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

By means of a numerical analysis using a non-Abelian symmetry realization of the density matrix renormalization group, we study the behavior of vector chirality correlations in isotropic frustrated chains of spin S=1 and S=1/2, subject to a strong external magnetic field. It is shown that the field induces a phase with spontaneously broken chiral symmetry, in line with earlier theoretical predictions. We present results on the field dependence of the order parameter and the critical exponents.

引用

页数：7

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