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Quantum Information Processing
Published in: Quantum Information Processing 8/2020

01-08-2020

Pieceable fault tolerant conversion between 5-qubit code and 7-CSS code

Authors: Chen Lin, GuoWu Yang, QingBin Luo, XiaoYu Li

Published in: Quantum Information Processing | Issue 8/2020

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Abstract

We propose a non-transversal but pieceable fault tolerant conversion circuit that is used to convert encoded information between five-qubit code and seven-qubit CSS code. Since a syndrome extraction circuit requiring fewer ancillary qubit resources would facilitate the realization of large-scale quantum computations, we further adapt a flag-assisted fault tolerant syndrome measurement scheme to reduce the cost of ancillary preparation. Numerical simulations are also performed to further analyze the performance of our conversion method.
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Appendix
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Metadata
Title
Pieceable fault tolerant conversion between 5-qubit code and 7-CSS code
Authors
Chen Lin
GuoWu Yang
QingBin Luo
XiaoYu Li
Publication date
01-08-2020
Publisher
Springer US
Published in
Quantum Information Processing / Issue 8/2020
Print ISSN: 1570-0755
Electronic ISSN: 1573-1332
DOI
https://doi.org/10.1007/s11128-020-02740-3

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