Density-matrix renormalization-group simulation of the SU(3) antiferromagnetic Heisenberg model

被引：14

作者：

Aguado, M. ^{[1
]}

Asorey, M. ^{[2
]}

Ercolessi, E. ^{[3
,4
]}

Ortolani, F. ^{[3
,4
]}

Pasini, S. ^{[5
]}

机构：

[1] Max Planck Inst Quantum Opt, D-85748 Garching, Germany

[2] Univ Zaragoza, Fac Ciencias, Dept Fis Teor, E-50009 Zaragoza, Spain

[3] Univ Bologna, Dipartimento Fis, I-40127 Bologna, Italy

[4] Ist Nazl Fis Nucl, I-40127 Bologna, Italy

[5] Univ Dortmund, Lehrstuhl Theoret Phys I, D-44221 Dortmund, Germany

来源：

PHYSICAL REVIEW B | 2009年 / 79卷 / 01期

关键词：

antiferromagnetism; Heisenberg model; renormalisation; SIGMA-MODELS; CHAINS; ENERGY; PHASE;

D O I：

10.1103/PhysRevB.79.012408

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We analyze the antiferromagnetic SU(3) Heisenberg chain by means of the density-matrix renormalization group. The results confirm that the model is critical and the computation of its central charge and the scaling dimensions of the first-excited states show that the underlying low-energy conformal field theory is the SU(3)(1) Wess-Zumino-Novikov-Witten model.

引用

页数：4

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