Quantum phase transition in a solvable spin model

被引：17
作者：
Lou, P
机构：
[1] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
[2] Chinese Acad Sci, Interdisciplinary Ctr Theoret Studies, Beijing 100080, Peoples R China
[3] Anhui Univ, Dept Phys, Hefei 230039, Anhui, Peoples R China
来源：
PHYSICAL REVIEW B | 2005年 / 72卷 / 06期
关键词：
D O I：
10.1103/PhysRevB.72.064435
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The spin-1/2XX chain with three-spin and uniform long-range interactions among the z components of the spins is investigated. Using the Jordan-Wigner transformation, the thermodynamic quantities and spin transports of the model are evaluated exactly. The phase diagram together with the key parameters characterizing quantum phase transitions is presented.
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页数：8
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