Grover search in decoherence-free subspace with low-Q cavities

被引：0

作者：

Hu, Y. M. ^{[1
,2
,3
]}

Chen, Q. ^{[1
,2
]}

Feng, M. ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Wuhan Inst Phys & Math, State Key Lab Magnet Resonance & Atom & Mol Phys, Wuhan 430071, Peoples R China

[2] Wuhan Natl Lab Optoelect, Wuhan 430071, Peoples R China

[3] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

来源：

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 2011年 / 44卷 / 17期

关键词：

QUANTUM COMPUTATION; IMPLEMENTATION; ALGORITHM; COHERENCE;

D O I：

10.1088/0953-4075/44/17/175504

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

By virtue of the single-photon input-output process, we present a potentially practical scheme for realization of a multi-qubit Grover search algorithm in decoherence-free subspace (DFS) with low-Q cavities. Our treatment considers the decay of the cavity, which favours the input and output of the single photons, and the DFS encoding suppresses the collective dephasing errors. We show that our scheme for the three-qubit Grover search in DFS would work using near-future available techniques.

引用

页数：5

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