Abstract
Two families of new asymmetric quantum codes are constructed in this paper. The first family is the asymmetric quantum codes with length \(n=q^{m}-1\) over \(F_{q}\), where \(q\ge 5\) is a prime power. The second one is the asymmetric quantum codes with length \(n=3^{m}-1\). These asymmetric quantum codes are derived from the CSS construction and pairs of nested BCH codes. Moreover, let the defining set \(T_{1}=T_{2}^{-q}\), then the real Z-distance of our asymmetric quantum codes are much larger than \(\delta _\mathrm{max}+1\), where \(\delta _\mathrm{max}\) is the maximal designed distance of dual-containing narrow-sense BCH code, and the parameters presented here have better than the ones available in the literature.
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Acknowledgments
We are indebted to the anonymous reviewers for constructive comments and suggestions on our manuscript, which improve the manuscript significantly. This work is supported by National Natural Science Foundation of China under Grant No. 11471011 and Shaanxi Natural Science Foundation under Grant No. 2015JM1023.
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Ma, Y., Feng, X. & Xu, G. New asymmetric quantum codes over \(F_{q}\) . Quantum Inf Process 15, 2759–2769 (2016). https://doi.org/10.1007/s11128-016-1320-1
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DOI: https://doi.org/10.1007/s11128-016-1320-1