Entanglement increases the error-correcting ability of quantum error-correcting codes

被引：66

作者：

Lai, Ching-Yi ^{[1
]}

Brun, Todd A. ^{[1
]}

机构：

[1] Univ So Calif, Dept Elect Engn, Los Angeles, CA 90089 USA

来源：

PHYSICAL REVIEW A | 2013年 / 88卷 / 01期

关键词：

D O I：

10.1103/PhysRevA.88.012320

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

If entanglement is available, the error-correcting ability of quantum codes can be increased. We show how to optimize the minimum distance of an entanglement-assisted quantum error-correcting (EAQEC) code, obtained by adding ebits to a regular quantum stabilizer code, over different encoding operators. By this encoding optimization procedure, we found a number of EAQEC codes, including a family of entanglement-assisted quantum repetition codes and several optimal EAQEC codes.

引用

页数：10

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