Cryptographic quantum metrology

被引：24

作者：

Huang, Zixin ^{[1
,2
]}

Macchiavello, Chiara ^{[3
,4
]}

Maccone, Lorenzo ^{[3
,4
]}

机构：

[1] Univ Sheffield, Dept Phys & Astron, Sheffield, S Yorkshire, England

[2] Univ Sydney, Sch Phys, Sydney, NSW 2006, Australia

[3] Univ Pavia, Dipartimento Fis, Via Bassi 6, I-27100 Pavia, Italy

[4] Univ Pavia, INFN, Sez Pavia, Via Bassi 6, I-27100 Pavia, Italy

来源：

PHYSICAL REVIEW A | 2019年 / 99卷 / 02期

基金：

英国工程与自然科学研究理事会;

关键词：

ENTANGLEMENT; PRIVACY;

D O I：

10.1103/PhysRevA.99.022314

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We develop a general framework for parameter estimation that allows only trusted parties to access the result and achieves optimal precision. The protocols are designed such that adversaries can access some information indeterministically, but only at the risk of getting caught (cheat sensitivity); under the assumption that the adversary can access the channel only once, then the protocol is unconditionally secure. By combining techniques from quantum cryptography and quantum metrology, we devise cryptographic procedures for single-parameter estimation when an arbitrary number of parties are involved.

引用

页数：6

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