arXiv:1111.4274 · Physics Letters ADisentanglement dynamics of interacting two qubits and two qutrits in an XY spin-chain environment with the Dzyaloshinsky–Moriya interactionMing‐Liang HuPublished Jun 20, 2010• 37 citationsarXivHTMLPDFDOI10.1016/j.physleta.2010.06.026