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

Influence of intrinsic decoherence on entanglement teleportation via a Heisenberg XYZ model with... 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 $$J$$ J for the $$z$$ z -component DM system, whereas it is not for the $$x$$ x -component DM system. The ferromagnetic case is superior to the antiferromagnetic case to restrain decoherence when using the $$x$$ x -component DM system. The dependencies of entanglement, the output entanglement, and the average fidelity on initial state angle $$\alpha$$ α all demonstrate periodicity. Moreover, the $$x$$ x -component DM system can get a high fidelity both in two-qubit and in three-qubit teleportation protocol. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

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

, Volume 14 (6) – Apr 2, 2015
12 pages

/lp/springer_journal/influence-of-intrinsic-decoherence-on-entanglement-teleportation-via-a-wu014PI8Ef
Publisher
Springer US
Subject
Physics; Quantum Information Technology, Spintronics; Quantum Computing; Data Structures, Cryptology and Information Theory; Quantum Physics; Mathematical Physics
ISSN
1570-0755
eISSN
1573-1332
D.O.I.
10.1007/s11128-015-0978-0
Publisher site
See Article on Publisher Site

### 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 $$J$$ J for the $$z$$ z -component DM system, whereas it is not for the $$x$$ x -component DM system. The ferromagnetic case is superior to the antiferromagnetic case to restrain decoherence when using the $$x$$ x -component DM system. The dependencies of entanglement, the output entanglement, and the average fidelity on initial state angle $$\alpha$$ α all demonstrate periodicity. Moreover, the $$x$$ x -component DM system can get a high fidelity both in two-qubit and in three-qubit teleportation protocol.

### Journal

Quantum Information ProcessingSpringer Journals

Published: Apr 2, 2015

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