also, when all quantum bits are simultaneously subjected to errors with equal probability, the effective error rate can be significantly reduced.

in quantum information processing, as in classical information processing using the classical error correction code to protect information, we use the quantum error-correcting codes to protect the quantum information.

在量子信息处理中，与经典信息处理中用经典纠错码保护信息一样，我们使用量子纠错码来保护量子信息。

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continuous variables teleportation 、 entanglement swapping 、 quantum cloning 、 quantum computation 、 quantum error correction 、 entanglement purification have been put forth; we also come up with new quantum information schemes via continuous variable and discrete variable entanglement.

连续变量体系的teleportation、纠缠交换、量子克隆、量子计算、量子纠错、纠缠纯化等被相应的提出；我们还提出了新的用连续变量和离散变量纠缠实现量子信息处理的方案。

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quantum stabilizer code is the most important quantum error-correcting code, and on this basis construct many practical codes, quantum asymmetric code is one of them.

量子稳定子码是量子纠错码中最重要的一类，并以此为基础，构造出了非常实用的编码，量子非对称码便是其中之一。

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the main types of quantum coding scheme are: quantum error-correcting code, quantum error-avoiding code and error-proofing code.

主要的几种量子编码方案是：量子纠错码、量子避错码和量子防错码。

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we present a quantum error correction scheme based on quantum cloning.

提出了一种基于量子克隆的量子编码和纠错方案。

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the former is applicable to any quantum system, but need to introduce a large number of auxiliary bits. the latter, for its symmetry, become a very effective scheme in dealing with collective dephasing.

前者适用于任意的量子系统的纠错但是需要引入大量的辅助位，后者量子避错的方法由于利用了系统的对称性，因而在处理集体消相干噪声的情形时成为一种十分有效的方案。

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based on this public-key cryptosystem, this paper also gives a message authentication scheme and proves its security.

利用此公钥密码体制，该文还给出了一个基于量子CSS纠错码的消息认证方案，并证明了其安全性。

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a quantum public-key cryptosystem and message authentication scheme based on quantum css error correcting codes

基于量子CSS纠错码的量子公钥密码和消息认证

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in order to construct the quantum error-correcting codes, people have begun to study the self-orthogonal code that has the special self-dual distance.

研究具有某种最优性质的码的存在性、结构和构造是编码研究的中心问题，为构造量子纠错码开始研究具有特定对偶距离的二元自正交码。

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as a kind of quantum coding scheme, quantum error-correction coding is the foundation of realization of quantum communication and quantum computation.

量子纠错编码作为其中的一种量子编码方案，是量子通信和量子计算实用化的基础。

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study of quantum error correcting code

量子纠错码的研究

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and some very good quantum error-correcting codes are constructed from the s-chains obtained.

在量子纠错码领域中，这是首次利用经典坏码构造出量子好码。

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we construct symmetric quantum codes with basic states corresponding to logic functions.

讨论了以逻辑函数对应的态为基态，构造对称量子纠错码的方法。

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entanglement is an important resource of quantum error-correcting codes.

纠缠是量子纠错码的重要资源。

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quantum error correcting code ( qecc) is an important topic in quantum information and has been deeply discussed in recent literature.

量子纠错码（QECC）是量子信息中的重要问题，且在近年来的研究中得到广泛的关注。

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nearly all of the classical error correction coding schemes have, for the time being, been transplanted to the domain of quantum information; nevertheless, the most outstanding scheme in classical coding region, turbo code, still lacks the quantum analogy till now.

构造量子纠错编码的主要方法是借鉴经典纠错编码技术，目前几乎所有经典纠错编码方案都已经被移植到量子领域中来，然而在经典编码领域纠错性能最杰出的Turbo码却至今没有量子对应。

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finally, some applications of quantum control in quantum error correction coding and universality analysis of quantum computation are presented and the potential applications of quantum control in quantum information and quantum computation are also prospected.

最后，简单介绍了量子控制方法在量子纠错编码、通用量子计算中的已有应用，并对其在量子信息和量子计算其他领域的潜在应用进行了展望。

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a novel quantum key distribution protocol based on quantum error correction code

一种基于量子纠错编码的量子密钥分配协议

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turtles and tortoises , crocodiles and alligators, and the tuatara, a marine lizard in new zealand.

乌龟和陆龟、鳄鱼和短吻鳄以及虫蜥蜴——一种现存于新西兰的海蜥蜴。

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the tuatara rate is significantly faster than for animals including the cave bear, lion, ox and horse.

刺背鳄蜥的进化速率比起包括洞熊、狮子、公牛和马在内的动物，都要快得多。

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