Controlled decoherence of three-level rf-SQUID qubit with asymmetric potential

A scheme is proposed to controll the decoherence of three-level rf-SQUID qubit with asymmetric potential by designing an external electric circuit for superconductive flux qubit. The results show that it may not only raise the gate speed but also extend decoherence time for a three-level structure.

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Bibliographic Details
Published inChinese physics B Vol. 19; no. 3; pp. 61 - 65
Main Author 嵇英华 赖慧芳 蔡十华 王资生
Format Journal Article
LanguageEnglish
Published IOP Publishing 01.03.2010
Subjects
Asymmetry
Electric circuits
Electric potential
Flux
Gates (circuits)
Qubits (quantum computing)
Superconductors
不对称
比特流
消相干
相干控制
相干时间
超导量子干涉仪
量子比特
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Summary:A scheme is proposed to controll the decoherence of three-level rf-SQUID qubit with asymmetric potential by designing an external electric circuit for superconductive flux qubit. The results show that it may not only raise the gate speed but also extend decoherence time for a three-level structure.
Bibliography:gate speed, quantum NOT gates, decoherence time, controll
11-5639/O4
TP38
TM937
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:1674-1056
2058-3834
DOI:10.1088/1674-1056/19/3/030310