学科分类
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1 个结果
  • 简介:Theentanglementcapacityofgeneraltwo-qubitunitaryoperatorsisstudiedwhenauxiliarysystemsareallowed,andtheanalyticalresultsbasedonlinearentropywheninputstatesaredisentangledaregiven.Fromtheresultstheconditionforperfectentangler,α_1=α_2=π/4,isobtained.Contrarytothecasewithoutauxiliarysystem,theparameterα_3mayplayactiveroletotheentanglementcapacitywhenauxiliarysystemsareallowed.

  • 标签: 双量子位 保范算子 量子纠缠能力 线性熵 辅助系统