Approximate Quantum Error Correction

被引:96
作者
Schumacher, Benjamin [1 ]
Westmoreland, Michael D. [2 ]
机构
[1] Kenyon Coll, Dept Phys, Gambier, OH 43022 USA
[2] Denison Univ, Dept Math Sci, Granville, OH 43023 USA
关键词
quantum error correction;
D O I
10.1023/A:1019653202562
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The errors that arise in a quantum channel can be corrected perfectly if and only if the channel does not decrease the coherent information of the input state. We show that, if the loss of coherent information is small, then approximate quantum error correction is possible.
引用
收藏
页码:5 / 12
页数:8
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