超导量子比特中能量弛豫时间的涨落
量子物理
2018-09-05 v1
摘要
超导量子比特是量子计算的一个有吸引力的平台，因为它们已展示出高保真量子门并可扩展至中等系统规模。然而，一个突出的挑战是稳定其能量弛豫时间，该时间可能在频率和时域上不可预测地涨落。在此，我们利用量子比特作为单个两能级系统缺陷的频谱和时间探针，提供直接证据表明确实是它们造成了最大的涨落。该研究通过校准、设计和制造来稳定量子比特性能奠定了基础。
引用
@article{arxiv.1809.01043,
title = {Fluctuations of Energy-Relaxation Times in Superconducting Qubits},
author = {P. V. Klimov and J. Kelly and Z. Chen and M. Neeley and A. Megrant and B. Burkett and R. Barends and K. Arya and B. Chiaro and Yu Chen and A. Dunsworth and A. Fowler and B. Foxen and C. Gidney and M. Giustina and R. Graff and T. Huang and E. Jeffrey and Erik Lucero and J. Y. Mutus and O. Naaman and C. Neill and C. Quintana and P. Roushan and Daniel Sank and A. Vainsencher and J. Wenner and T. C. White and S. Boixo and R. Babbush and V. N. Smelyanskiy and H. Neven and John M. Martinis},
journal= {arXiv preprint arXiv:1809.01043},
year = {2018}
}
备注
7 main pages, 3 main figures, 5 supplemental pages, 5 supplemental figures