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Quantum Information Processing

Constructions of quasi-twisted quantum codes

  • 01-08-2020
Published in:
Authors
Jingjie Lv
Ruihu Li
Junli Wang
Published in
Quantum Information Processing | Issue 8/2020

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Abstract

In this work, our main objective is to construct quantum codes from quasi-twisted (QT) codes. At first, a necessary and sufficient condition for Hermitian self-orthogonality of QT codes is introduced by virtue of the Chinese remainder theorem. Then, we utilize these self-orthogonal QT codes to provide quantum codes via the famous Hermitian construction. Moreover, we present a new construction method of q-ary quantum codes, which can be viewed as an effective generalization of the Hermitian construction. General QT codes that are not self-orthogonal are also employed to construct quantum codes. As the computational results, some binary, ternary and quaternary quantum codes are constructed and their parameters are determined, which all cannot be deduced by the quantum Gilbert–Varshamov bound. In the binary case, a small number of quantum codes are derived with strictly improved parameters compared with the current records. In the ternary and quaternary cases, our codes fill some gaps or have better performances than the current results.

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previous article Quantum algorithms for learning the algebraic normal form of quadratic Boolean functions
next article Quantum phase transitions and scaling behaviors of extended 1D compass spin-chain model
Title
Constructions of quasi-twisted quantum codes
Authors
Jingjie Lv
Ruihu Li
Junli Wang
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/s11128-020-02742-1
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