A scheme for realizing n-qubit controlled-phase gates with atoms in cavity QED

被引：7
|
作者：
Yang, Chui-Ping [1 ]
机构：
[1] Carnegie Mellon Univ, Dept Phys, Pittsburgh, PA 15213 USA
来源：
PHYSICS LETTERS A | 2008年 / 372卷 / 16期
关键词：
D O I：
10.1016/j.physleta.2007.12.048
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We present a new scheme for realizing a n-qubit controlled-phase gate with atoms in cavity QED. The present scheme operates essentially by exchanging a single photon between the control atoms and the cavity mode before and after a phase shift performed on the target atom. It is interesting to note that the gate can be implemented in a very simple way and by employing resonant interaction with one cavity only. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：2782 / 2786
页数：5
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