Direct counterfactual transmission of a quantum state

被引：43

作者：

Li, Zheng-Hong ^{[1
,2
,3
]}

Al-Amri, M. ^{[1
,2
,3
]}

Zubairy, M. Suhail ^{[1
,2
]}

机构：

[1] Texas A&M Univ, IQSE, College Stn, TX 77843 USA

[2] Texas A&M Univ, Dept Phys & Astron, College Stn, TX 77843 USA

[3] KACST, Natl Ctr Appl Phys, Riyadh 11442, Saudi Arabia

来源：

PHYSICAL REVIEW A | 2015年 / 92卷 / 05期

关键词：

ATOMIC ENSEMBLES; SINGLE-PHOTON; TRAPPED ATOM; TELEPORTATION; INTERROGATION; REPEATERS; BLOCKADE;

D O I：

10.1103/PhysRevA.92.052315

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We show that an unknown quantum state can be transferred with neither quantum nor classical particle traveling in the transmission channel. Our protocol does not require prearranged entangled photon pairs and Bell measurements. By utilizing quantum Zeno effect and counterfactuality, we can entangle and disentangle a photon and an atom by nonlocal interaction. It is shown that quantum information is completely transferred from an atom to photon due to controllable disentanglement processes. There is no need to cross-check the result via classical channels.

引用

页数：9

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