Quantum entanglement and quantum phase transitions in anisotropic two- and three-particle spin-1 Heisenberg clusters

被引：2
|
作者：
Abgaryan, V. S. [1 ]
机构：
[1] Joint Inst Nucl Res, Bogolyubov Lab Theoret Phys, Dubna, Russia
来源：
JOURNAL OF CONTEMPORARY PHYSICS-ARMENIAN ACADEMY OF SCIENCES | 2014年 / 49卷 / 06期
关键词：
quantum entanglement; quantum phase transitions; Heisenberg model;
D O I：
10.3103/S1068337214060024
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
General polynomial case of Heisenberg model for spin-1 two- and three-particle clusters is considered on matter of quantum entanglement and its evolution under quantum phase transitions induced by changes of external parameters. Influence of anisotropy parameter on the phase structure and quantum entanglement is studied. The thermal evolution of quantum entanglement is also studied. Some similarities of ground state structures and phase diagrams of quantum entanglement in different planes of external parameters are considered.
引用
收藏
页码：249 / 257
页数：9
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