Fidelity-disturbance-entropy tradeoff in quantum channels
文献类型：期刊论文
| 作者 | Y Sun3; N Li1,2 ; S Luo1,2
|
| 刊名 | Physical Review A
 |
| 出版日期 | 2022-06-29 |
| 卷号 | 105期号:6页码:062458(9) |
| 关键词 | STATE DISTURBANCE INFORMATION GAIN ERROR |
| ISSN号 | 2469-9926 |
| DOI | https://doi.org/10.1103/PhysRevA.105.062458 |
| 英文摘要 | Quantum channels are indispensable instruments for transmitting, extracting, and processing information. According to the spirit of the Bohr complementarity principle and the Heisenberg uncertainty principle, one expects that there are intrinsic tradeoff relations between state disturbance and information gain for any channel, which indeed have been widely studied and characterized from various angles. In this work, we investigate this issue from the perspective of information conservation. More specifically, we divide the information associated with a channel into three categories: transmitted information (quantified by operation fidelity), disturbance (quantified by the Hilbert-Schmidt norm), and extracted information (quantified by the increase of Tsallis-2 entropy), which are all derived naturally from a channel with direct physical motivations. We reveal basic properties of these three information-theoretic quantities and establish a triality relation between them. As applications, we apply these quantities to shed insights into the Mach-Zehnder interferometry and several prototypical channels. |
| 学科主题 | Optics ; Physics |
| 出版者 | AMER PHYSICAL SOC,ONE PHYSICS ELLIPSE,COLLEGE PK,MD 20740-3844 |
| 源URL | [http://ir.amss.ac.cn/handle/2S8OKBNM/61578]  |
| 专题 | 应用数学研究所 |
| 作者单位 | 1.中国科学院大学 2.中国科学院数学与系统科学研究院; 3.南京师范大学; |
| 推荐引用方式 GB/T 7714 | Y Sun,N Li,S Luo. Fidelity-disturbance-entropy tradeoff in quantum channels[J]. Physical Review A,2022,105(6):062458(9). |
| APA | Y Sun,N Li,&S Luo.(2022).Fidelity-disturbance-entropy tradeoff in quantum channels.Physical Review A,105(6),062458(9). |
| MLA | Y Sun,et al."Fidelity-disturbance-entropy tradeoff in quantum channels".Physical Review A 105.6(2022):062458(9). |
入库方式： OAI收割
来源：数学与系统科学研究院
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