IMPLEMENTING AN n-QUBIT FREDKIN GATE WITH SUPERCONDUCTING QUANTUM-INTERFERENCE DEVICES IN CAVITY QED

被引：0
|
作者：
Zheng Anshou [1 ,2 ,3 ]
Cheng Yongjin [1 ]
Liu Jibin [2 ]
Wang Xicheng [1 ]
Zheng Yuan [1 ]
机构：
[1] China Univ Geosci, Coll Math & Phys, Wuhan 430074, Peoples R China
[2] China Univ Geosci, Inst Mat Modeling Computat Phys, Wuhan 430074, Peoples R China
[3] Huazhong Univ Sci & Technol, Dept Phys, Wuhan 430074, Peoples R China
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2011年 / 25卷 / 21期
基金：
中国国家自然科学基金;
关键词：
Fredkin gate; superconducting quantum-interference device; cavity; SCHEME; COMPUTERS; DYNAMICS; STATES;
D O I：
10.1142/S0217979211100874
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
An alternative scheme is proposed in this paper to realize an n-qubit Fredkin gate with superconducting quantum-interference device ( SQUID) in cavity QED. The multiqubit logical gate is essentially accomplished by a sequence of operations on only two SQUIDs in a large-detuned cavity. In the scheme, the two logical states of a qubit are presented by the two lowest states of a SQUID and the cavity is always in vacuum state so that the limit on the cavity is not serious.
引用
收藏
页码：2915 / 2924
页数：10
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