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Entanglement and Magnetic Susceptibility in an Alternating
Hao Xiang ,Zhu Shiqun *
School of Physical Science and Technology,Suzhou University
*Correspondence author
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Funding: 教育部博士点基金（No.20050285002）
Opened online:24 April 2006
Accepted by: none
Citation: Hao Xiang ,Zhu Shiqun .Entanglement and Magnetic Susceptibility in an Alternating[OL]. [24 April 2006] http://en.paper.edu.cn/en_releasepaper/content/6370
 
 
The entanglement of an antiferromagnetic Heisenberg spin-$\\frac 12$ chain with alternating exchange interactions is investigated in the thermodynamical limit. The relation of the entanglement and the magnetic susceptibility is obtained. The theoretical prediction of the entanglement is in excellent agreement with that obtained from the experimental measurement of the magnetic susceptibility. The alternation parameter can affect the characteristic temperature of the entanglement. It is found that the quantum entanglement in real solids can be quantitatively evaluated by the macroscopic magnetic properties.
Keywords:entanglement, susceptibility
 
 
 

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