Teleportation through W-class states

被引：5
|
作者：
Gorbachev, VN [1 ]
Trubilko, AI
Rodichkina, AA
机构：
[1] St Petersburg Univ Design, NW Inst Printing, St Petersburg 191180, Russia
[2] St Petersburg State Univ, Lab Quantum Informat & Quantum Calculat, St Petersburg, Russia
来源：
OPTICS AND SPECTROSCOPY | 2003年 / 94卷 / 05期
关键词：
Entangle State; Quantum Channel; Unitary Transformation; Unknown State; Dense Code;
D O I：
10.1134/1.1576839
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The possibility of using entangled states of the W class either as a quantum channel for teleportation or as states to be teleported is analyzed. The protocols are determined through the unitary transformation of the schemes based on the Greenberger-Horne-Zeilinger (GHZ) channel. It is shown that the main feature of new quantum channels of the W class is a set of nonlocal operators capable of recovering an unknown state. (C) 2003 MAIK "Nauka/Interperiodica".
引用
收藏
页码：706 / 710
页数：5
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