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arXiv quant-ph/0506054quant-ph
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利用编码算子改进基于稳定器的纠缠蒸馏协议

Improvement of stabilizer based entanglement distillation protocols by encoding operators

Shun Watanabe, Ryutaroh Matsumoto, Tomohiko Uyematsu

摘要:

本文给出了一种对给定稳定子计数Clifford群中所有编码算子的方法。此外,我们将编码算子划分为等价类,使得由同一等价类中的编码算子构造的纠缠蒸馏协议(EDP)具有相同的性能。通过这种分类,对于给定的参数,良好EDP的候选者的数量显著减少。结果,我们找到了最好的EDP中构造的EDP从[[4,2]]稳定器码。该EDP在宽的保真度范围内具有比先前已知的EDP更好的性能。

英文摘要:

This paper presents a method for enumerating all encoding operators in the Clifford group for a given stabilizer. Furthermore, we classify encoding operators into the equivalence classes such that EDPs (Entanglement Distillation Protocol) constructed from encoding operators in the same equivalence class have the same performance. By this classification, for a given parameter, the number of candidates for good EDPs is significantly reduced. As a result, we find the best EDP among EDPs constructed from [[4,2]] stabilizer codes. This EDP has a better performance than previously known EDPs over wide range of fidelity.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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