Approximate Quantum Error Correction |
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| Authors: | Schumacher Benjamin Westmoreland Michael D |
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| Affiliation: | (1) Department of Physics, Kenyon College, Gambier, Ohio, 43022;(2) Department of Mathematical Sciences, Denison University, Granville, Ohio, 43023 |
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| Abstract: | 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.
PACS: 03.67.H, 03.65.U |
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| Keywords: | quantum error correction |
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