Phase diagram of the spin extended model

被引：0
|
作者：
I. Titvinidze
G.I. Japaridze
机构：
[1] Andronikashvili Institute of Physics,
[2] Georgian Academy of Sciences Tamarashvili str. 6,undefined
[3] 380077,undefined
[4] Tbilisi,undefined
[5] Georgia,undefined
来源：
The European Physical Journal B - Condensed Matter and Complex Systems | 2003年 / 32卷
关键词：
PACS. 71.27.+a Strongly correlated electron systems; heavy fermions – 75.10.Jm Quantized spin models;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The quantum phase transition in the ground state of the extended spin S = 1/2XY model has been studied in detail. Using the exact solution of the model the low temperature thermodynamics, as well as the ground state phase diagram of the model in the presence of applied uniform and/or staggered magnetic field are discussed.
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页码：383 / 393
页数：10
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