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中文摘要：
量子纠错码在量子通信和量子计算中起着非常重要的作用,之前的量子纠错码的构造大部分都集中在对称的量子信道,即量子比特翻转的错误概率与量子相位翻转的错误概率相等。该文在非对称量子信道上,即量子比特翻转的错误概率小于量子相位翻转的错误概率,利用经典的平方剩余码和Reed-Muller码构造一批非对称的量子纠错码。同已知的非对称量子纠错码的构造方法相比,该构造方法简单。并且,利用有限域的扩域到其子域的迹映射,构造得到了更多的非对称量子纠错码。
英文摘要：
Quantum error-correcting codes play an important role in not only quantum communication but also quantum computation. Previous work in constructing quantum error-correcting codes focuses on code constructions for symmetric quantum channels, i.e., qubit-flip and phase-shift errors have equal probabilities. This paper focuses on the asymmetric quantum channels, i.e., qubit-flip and phase-shift errors have different probabilities Some present families of asymmetric quantum codes are constructed with classical quadratic residue codes and Reed-Muller codes. Compared to previously known methods, the method is simple. Furthermore, using the Trace map, more asymmetric quantum error-correcting codes are obtained.
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