利用 Yu-Shiba-Rusinov 态实现鲁棒的穷人版马约拉纳零模

Francesco Zatelli; David van Driel; Di Xu; Guanzhong Wang; Chun-Xiao Liu; Alberto Bordin; Bart Roovers; Grzegorz P. Mazur; Nick van Loo; Jan Cornelis Wolff; A. Mert Bozkurt; Ghada Badawy; Sasa Gazibegovic; Erik P. A. M. Bakkers; Michael Wimmer; Leo P. Kouwenhoven; Tom Dvir

doi:10.1038/s41467-024-52066-2

利用 Yu-Shiba-Rusinov 态实现鲁棒的穷人版马约拉纳零模

介观与纳米尺度物理 2024-11-21 v1 超导电性量子物理

作者: Francesco Zatelli , David van Driel , Di Xu , Guanzhong Wang , Chun-Xiao Liu , Alberto Bordin , Bart Roovers , Grzegorz P. Mazur , Nick van Loo , Jan Cornelis Wolff , A. Mert Bozkurt , Ghada Badawy , Sasa Gazibegovic , Erik P. A. M. Bakkers , Michael Wimmer , Leo P. Kouwenhoven , Tom Dvir

在 arXiv 上查看 ↗ PDF ↗ DOI ↗

摘要

近期实现的存在“穷人版马约拉纳”态的双点 Kitaev 链，展示了拓扑超导领域的前进路径。然而，要将这些态的潜力用于量子信息处理，需提升其对外部扰动的鲁棒性。在此，我们利用邻近效应量子点中的 Yu-Shiba-Rusinov 态构成双点 Kitaev 链。此类态与超导体之间的强杂化使得可创建能隙大于 $70 \mathrm{~\mu eV}$ 的穷人版马约拉纳态。与非邻近效应量子点构成的 Kitaev 链相比，它还大幅降低了电荷色散。大能隙及对电荷涨落敏感性的降低，将有益于利用穷人版马约拉纳态进行量子比特操控及非阿贝尔物理的演示。

关键词

穷人版马约拉纳 Yu-Shiba-Rusinov 态 Kitaev 链邻近效应量子点拓扑超导电荷色散

引用

@article{arxiv.2311.03193,
  title  = {Robust poor man's Majorana zero modes using Yu-Shiba-Rusinov states},
  author = {Francesco Zatelli and David van Driel and Di Xu and Guanzhong Wang and Chun-Xiao Liu and Alberto Bordin and Bart Roovers and Grzegorz P. Mazur and Nick van Loo and Jan Cornelis Wolff and A. Mert Bozkurt and Ghada Badawy and Sasa Gazibegovic and Erik P. A. M. Bakkers and Michael Wimmer and Leo P. Kouwenhoven and Tom Dvir},
  journal= {arXiv preprint arXiv:2311.03193},
  year   = {2024}
}

备注

45 pages, 14 figures

利用 Yu-Shiba-Rusinov 态实现鲁棒的穷人版马约拉纳零模

摘要

关键词

引用

备注

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