Intrinsic non-linearity of Josephson junctions as an alternative origin of the missing first Shapiro step

Abstract The missing first Shapiro step in microwave-irradiated Josephson junctions has been widely interpreted as a hallmark of Majorana bound states. However, conventional mechanisms like junction underdamping or Joule heating can produce similar signatures. Here, we demonstrate that the intrinsic...

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Hlavní autoři:	Lei Xu, Shuhang Mai, Manzhang Xu, Xue Yang, Lihong Hu, Xinyi Zheng, Sicheng Zhou, Siyuan Zhou, Bingbing Tong, Xiaohui Song, Jie Shen, Zhaozheng Lyu, Ziwei Dou, Xiunian Jing, Fanming Qu, Peiling Li, Guangtong Liu, Li Lu
Médium:	Artigo
Jazyk:	Inglês
Vydáno:	Nature Portfolio 2026-03-01
Edice:	Communications Physics
On-line přístup:	https://doi.org/10.1038/s42005-026-02571-1
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