We study the ground state entanglement in a three-qubit XY chain under the influence of a magnetization current. It is found that the ground state changes from a W state to a disentangled state as the magnetic field varies. When the Lagrange multiplier λ>3, namely under a strong magnetic current, the ground state holds onto a W state for a large range of the magnetic field strength. A phase transition to the magnetization-current phase occurs under a certain condition.
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机译:冷链物流企业采纳产业园区金融服务研究 =What Factors Influence the Resident Companies’ Selection of the Financial Services Provided by the Industrial Parks? - A Study of the Perishable Goods Supply Chains
机译:synthesis, Crystal structures, and Luminescence and magnetic properties of 3D Chiral and achiral Lanthanide Diphosphonates Containing Left- and Right-Handed Helical Chains