退相位存在下 Kane 量子计算机 CNOT 门的错误率
量子物理
2007-05-23 v2
摘要
我们研究了 Kane 固态量子计算机架构中 CNOT 操作的错误率。采用自旋哈密顿量描述系统。退相位作为系统密度矩阵非对角元的指数衰减被纳入。利用已有的自旋回波衰减数据，CNOT 错误率估计约为 10^{-3}。
引用
@article{arxiv.quant-ph/0207103,
title = {Error Rate of the Kane Quantum Computer CNOT Gate in the Presence of Dephasing},
author = {Austin G. Fowler and Cameron J. Wellard and Lloyd C. L. Hollenberg},
journal= {arXiv preprint arXiv:quant-ph/0207103},
year = {2007}
}
备注
New version includes substantial additional data and merges two old figures into one. (12 pages, 6 figures)