Various Correlations in Anisotropic Heisenberg XYZ Model with Dzyaloshinski-Moriya Interaction
Abstract
Various thermal correlations as well as the effect of intrinsic decoherence on the correlations are studied in a two-qubit Heisenberg XYZ spin chain with the Dzyaloshinski--Moriya (DM) interaction along the z direction, i.e. Dz. It is found that tunable parameter Dz may play a constructive role on the concurrence (C), classical correlation (CC) and quantum discord (QD) in thermal equilibrium while it plays a destructive role on the correlations in the intrinsic decoherence case. The entanglement and quantum discord exhibit collapse and revival under the phase decoherence. With a proper combination of the system parameters, the correlations can effectively be kept at high steady state values despite the intrinsic decoherence.
Keywords
Cite
@article{arxiv.1207.0277,
title = {Various Correlations in Anisotropic Heisenberg XYZ Model with Dzyaloshinski-Moriya Interaction},
author = {Mamtimin Tursun and Ahmad Abliz and Rabigul Mamtimin and Ablimt Abliz and Pan Pan-Qiao},
journal= {arXiv preprint arXiv:1207.0277},
year = {2013}
}
Comments
4 pages, 4 figures