Excitation spectrum at the Yang-Lee edge singularity of the 2D Ising model

被引：4

作者：

McCabe, JF ^{[1
]}

Wydro, T ^{[1
]}

机构：

[1] Univ Paul Verlaine, Lab Phys Mol & Collis, F-57078 Metz, France

来源：

INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2006年 / 20卷 / 04期

关键词：

Ising; Yang-Lee singularity; conformal theory;

D O I：

10.1142/S021797920603336X

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

This paper studies the Yang-Lee edge singularity of 2-dimensional (2D) Ising model through a quantum spin chain. In particular, finite-size scaling measurements on the quantum spin chain are used to determine the low-lying excitation spectrum and central charge at the Yang-Lee edge singularity. The measured values axe consistent with predictions for the (A(4), A(1)) minimal conformal field theory.

引用

页码：495 / 504

页数：10

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