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理论物理通讯:英文版

Scheme for Teleportation of Unknown Entangled Atomic States via Cavity Decay

Zhang, Lihua , Xue, Zheng-Yuan, Yang, Ming Ming, Cao, Zhuo-Liang

Published Jan 1, 2006• 0 citations
OpenAlex

Abstract

我们在场一个物理计划到电视港口经由洞腐烂的一个未知原子纠缠的状态。在远距传物过程,四粒子的 Greenberger—Horne—Zeilinger (GHZ ) 状态被用作量隧道,和二个未知纠缠的原子,处于 thefour-particJe GHZ 状态的四个原子中的二个分别地在四个漏的洞被套住。从四个洞外面基于光子漏缝的联合察觉,我们电视能与某些概率和高保真度移植一个未知纠缠的状态到二个另外的遥远的原子。

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我们在场一个物理计划到电视港口经由洞腐烂的一个未知原子纠缠的状态。在远距传物过程,四粒子的 Greenberger—Horne—Zeilinger (GHZ ) 状态被用作量隧道,和二个未知纠缠的原子,处于 thefour-particJe GHZ 状态的四个原子中的二个分别地在四个漏的洞被套住。从四个洞外面基于光子漏缝的联合察觉,我们电视能与某些概率和高保真度移植一个未知纠缠的状态到二个另外的遥远的原子。
一个新量协议到电视港口到在 M 控制器(M < N ) 下面的固定接收装置的从一个发送者州的纠缠的任意的未知 N-qubit 被建议。要求的量资源 non-maximally 是 M 纠缠的 Greenberger-Horne-Zeilinger (GHZ ) 状态和 N-M non-maximally 纠缠了 Einstein-Podolsky-Rosen (EPR ) 对。发送者执行 N 2N 粒子上的概括钟状态大小。控制器拿 M 沿着 X 轴的单个粒子的测量,和接收装置需要介绍一个辅助二水平的粒子提取量信息有如果控制器与它合作,联合起来的忠实的概率的联盟者。
We present a physical scheme to teleport an unknown atomic entangled state via cavity decay. In the teleportation process, four-particle Greenberger–Horne–Zeilinger (GHZ) state is used as quantum channel, and two unknown entangled atoms and two of four atoms in the four-particle GHZ state are trapped in four leaky cavities, respectively. Based on the joint detection of the photons leak out from the four cavities, we can teleport an unknown entangled state to two other remote atoms with certain probability and high fidelity.