Quantum phase transition in spin-1/2 XX Heisenberg chain with three-spin interaction

被引：93

作者：

Lou, P ^{[1
]}

Wu, WC

Chang, MC

机构：

[1] Natl Taiwan Normal Univ, Dept Phys, Taipei 11650, Taiwan

[2] Anhui Univ, Dept Phys, Hefei 230039, Anhui, Peoples R China

来源：

PHYSICAL REVIEW B | 2004年 / 70卷 / 06期

关键词：

D O I：

10.1103/PhysRevB.70.064405

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The quantum phase transition in the spin-1/2 XX Heisenberg chain model with three-spin interaction is studied. Using the Jordan-Wigner transformation, several thermodynamic, as well as thermal and spin transport quantities of the system are calculated exactly. It is shown that the three-spin interaction influences the calculated quantities and leads to characteristic features of the quantum phase transition. The effects of a finite magnetic field on the magnetic moment and magnetic susceptibility are also discussed.

引用

页码：064405 / 1

页数：7

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