Perfect coding for dephased quantum state transfer

Perfect coding for dephased quantum state transfer
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DOI:
10.1103/physreva.97.032317
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发表时间:
2018-03-15
期刊:
影响因子:
2.9
通讯作者:
Kay, Alastair
Kay, Alastair
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Kay, Alastair

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我们开发了一系列完美的量子纠错码,可以在完美的状态转移实验中,在任何时间,纠正任何量子比特上出现的相位错误。这些保证了我们找到最佳的操作制度,纠正状态转移。对于一类特殊的系统,我们进一步证明了去相位噪声可以被校正,而去极化噪声不能被校正。
We develop a family of perfect quantum error correcting codes that correct for phase errors that arise on any qubit, at any time, during a perfect state transfer experiment. These ensure that we find the optimal operating regime for corrected state transfer. For a specific class of system, we further show that while dephasing noise can be corrected depolarizing noise cannot.