Suboptimal quantum-error-correcting procedure based on semidefinite programming

Naoki Yamamoto, Shinji Hara, Koji Tsumura

研究成果: Article査読

33 被引用数 (Scopus)

抄録

In this paper, we consider a simplified error-correcting problem: For a fixed encoding process, to find a cascade connected quantum channel such that the worst fidelity between the input and the output becomes maximum. With the use of the one-to-one parametrization of quantum channels, a procedure finding a suboptimal error-correcting channel based on a semidefinite programming is proposed. The effectiveness of our method is verified by an example of the bit-flip channel decoding.

本文言語English
論文番号022322
ジャーナルPhysical Review A - Atomic, Molecular, and Optical Physics
71
2
DOI
出版ステータスPublished - 2005 2 1
外部発表はい

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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