Scheme for the implementation of the optimal economical phase-covariant quantum cloning machine with SQUID qubits in cavity QED

被引：7
|
作者：
Yu, Long-Bao [1 ]
Zhang, Wen-Hai
Ye, Liu
机构：
[1] Anhui Univ, Sch Phys & Mat Sci, Hefei 230039, Peoples R China
[2] Anhui Inst Educ, Dept Phys & Elect Engn, Hefei 230061, Peoples R China
来源：
PHYSICS LETTERS A | 2007年 / 365卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1016/j.physleta.2007.01.022
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We propose a scheme to realize the optimal economical 1 -> 2 phase-covariant quantum cloning machine (QCM) in 2 dimension with superconducting quantum interference device (SQUID) qubits in a microwave cavity. In our scheme, two-SQUID qubits are fixed into a microwave cavity by adiabatic passage method for their manipulation. Using this method, we can realize the optimal phase-covariant QCM only by one step. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：74 / 78
页数：5
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