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博文

【研究进展】华南师大薛正远教授研究组:超导非绝热几何量子计算及其优化操控

已有 638 次阅读 2020-7-31 16:32 |系统分类:科研笔记

RESEARCH ARTICLE

Jing Xu, Sai Li, Tao Chen, and Zheng-Yuan Xue, Nonadiabatic geometric quantum computation with optimal control on superconducting circuits, Front. Phys. 15(4), 41503 (2020)

报告视频:https://mp.weixin.qq.com/s?__biz=MzUxODkxNjE1NQ==&mid=2247484472&idx=1&sn=fde4e5b68b5514e0cb3c267353d7c375&chksm=f980d56ccef75c7a9b91709d89a4cb63bf1a07275237cf851729182521add740f24fa21313de&token=1167958863&lang=zh_CN#rd

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Quantum computers are promising in dealing with hard problems. However, due to the decoherence effect, quantum gates are very fragile. Thus, realizing robust quantum gates is the ultimate goal of quantum manipulation. Notably, geometric phases are intrinsic noise-resilient, and thus fast geometric quantum gates are ideal building blocks for quantum computers. It is predicted that modern superconducting quantum chips can readily support fast geometric quantum computation. It is also shown that the optimal control technique can be incorporated into the proposal to further improve the gate robustness. Therefore, this work provides a promising step towards fault-tolerant solid-state quantum computation. For more details, please refer to the article entitled“Nonadiabatic geometric quantum computation with optimal control on superconducting circuits”by Jing Xu, et al., Front. Phys. 15(4), 41503 (2020). [Photo credits: Fei-Yan Lin at South China Normal University.]


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