Home > Papers

 
 
Entanglement, purity, and fidelity in the anisotropy (1/2,1) mixed-spin system
Zhe Sun 1,Xiaoguang Wang 2 *,Heng-Na Xiong 2
1.Zhejiang Institute of Modern Physics, Department of Physics, Zhejiang University; Department of physics, Hangzhou Normal University;
2.Zhejiang Institute of Modern Physics, Department of Physics, Zhejiang University;
*Correspondence author
#Submitted by
Subject:
Funding: 教育部博士点基金,国家自然科学基金(No.20050335087,10405019)
Opened online: 9 January 2009
Accepted by: none
Citation: Zhe Sun,Xiaoguang Wang,Heng-Na Xiong.Entanglement, purity, and fidelity in the anisotropy (1/2,1) mixed-spin system[OL]. [ 9 January 2009] http://en.paper.edu.cn/en_releasepaper/content/27589
 
 
We study entanglement, purity and fidelity in the anisotropy (1/2,1) mixed-spin Heisenberg chain. We find that negativity, as a measure of entanglement, displays a dip at the SU(2) isotropic point of the system, which is in contrast to the peak appearance of concurrence in the spin-1/2 XXZ chain. Moreover, at the isotropic point, purity gives a minimum, while the mixed-state fidelity susceptibility emerges a maximum.
Keywords:Entanglement; Purity; Fidelity; Heisenberg chain
 
 
 

For this paper

  • PDF (0B)
  • ● Revision 0   
  • ● Print this paper
  • ● Recommend this paper to a friend
  • ● Add to my favorite list

    Saved Papers

    Please enter a name for this paper to be shown in your personalized Saved Papers list

Tags

Add yours

Related Papers

Statistics

PDF Downloaded 223
Bookmarked 0
Recommend 5
Comments Array
Submit your papers