Uncertainties of the standard quantum teleportation channel

被引:0
|
作者
Zhang, Zhihua [1 ]
Guo, Zehao [1 ]
Qiu, Zhipeng [2 ]
机构
[1] Nanjing Univ Sci & Technol, Sch Cyber Sci & Engn, Jiangyin 214443, Peoples R China
[2] Nanjing Univ Sci & Technol, Sch Math & Stat, Nanjing 210094, Peoples R China
基金
中国国家自然科学基金;
关键词
uncertainty; standard quantum teleportation channel; state-channel interaction; 03.67.-a; 03.65.Aa; 03.65.Ta; STATES; POWER;
D O I
10.1088/1674-1056/adb263
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
From the perspective of state-channel interaction, standard quantum teleportation can be viewed as a communication process characterized by both input and output, functioning as a quantum depolarizing channel. To achieve a precise quantification of the quantumness introduced by this channel, we examine its uncertainties, which encompass both state-dependent and state-independent uncertainties. Specifically, for qudit systems, we provide general formulas for these uncertainties. We analyze the uncertainties associated with standard quantum teleportation when induced by isotropic states, Werner states, and X-states, and we elucidate the correlation between these uncertainties and the parameters of the specific mixed states. Our findings demonstrate the validity of quantifying these uncertainties.
引用
收藏
页数:13
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