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Quantum Information Processing

, Volume 14, Issue 6, pp 2055–2066 | Cite as

Influence of intrinsic decoherence on entanglement teleportation via a Heisenberg XYZ model with different Dzyaloshinskii–Moriya interactions

  • Meng Qin
  • Zhong-Zhou Ren
Article

Abstract

We investigate the characteristics of entanglement teleportation of a two-qubit and three-qubit Heisenberg XYZ model under different Dzyaloshinskii–Moriya (DM) interactions with intrinsic decoherence taken into account. The two-qubit results reveal that the dynamics of entanglement is a symmetric function about the coupling coefficient \(J\) for the \(z\)-component DM system, whereas it is not for the \(x\)-component DM system. The ferromagnetic case is superior to the antiferromagnetic case to restrain decoherence when using the \(x\)-component DM system. The dependencies of entanglement, the output entanglement, and the average fidelity on initial state angle \(\alpha \) all demonstrate periodicity. Moreover, the \(x\)-component DM system can get a high fidelity both in two-qubit and in three-qubit teleportation protocol.

Keywords

Entanglement Decoherence Teleportation Different Dzyaloshinskii–Moriya interactions 

Notes

Acknowledgments

This work was supported by the National Natural Science Foundation of China (Grant Nos. 11035001, 11375086, 11105079, and 10975072), the National Major State Basic Research and Development of China (Grant Nos. 2013CB834400 and 2010CB327803), the Chinese Academy of Sciences Knowledge Innovation Project (Grant No. KJCX2-SW-N02), the Research Fund of Doctoral Point (RFDP) (Grant No. 20100091110028), and the Science and Technology Development Fund of Macau (Grant No. 068/2011/A).

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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  1. 1.Department of Physics and Key Laboratory of Modern AcousticNanjing UniversityNanjingChina
  2. 2.College of SciencesPLA University of Science and TechnologyNanjingChina
  3. 3.Center of Theoretical Nuclear PhysicsNational Laboratory of Heavy-Ion AcceleratorLanzhouChina
  4. 4.Kavli Institute for Theoretical PhysicsChinese Academy of SciencesBeijingChina

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