Geometric phase and quantum phase transition in the one-dimensional compass model

被引：0
作者：
L. C. Wang
X. X. Yi
机构：
[1] School of Physics and Optoelectronic Technology,
[2] Dalian University of Technology,undefined
来源：
The European Physical Journal D | 2010年 / 57卷
关键词：
Ising Model; Ground State Energy; Spin Chain; Quantum Phase Transition; Geometric Phase;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We study the geometric phase of the ground state of the one-dimensional compass model in a transverse field. The critical properties of the system in terms of the geometric phase are calculated and discussed. The results show that the general character of quantum phase transitions (QPTs) in the model can be revealed by the Berry phase of the ground state. This study extends the relations between geometric phases and QPTs.
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页码：281 / 286
页数：5
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