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説明:

We experimentally investigate the electronic transport properties of a three-terminal graphene Josephson junction. We find that self-heating effects strongly influence the behaviour of this multi- terminal Josephson junction (MTJJ) system. We show that existing simulation methods based on resistively and capacitively shunted Josephson junction networks can be significantly improved by taking into account these heating effects. We also investigate the phase dynamics in our MTJJ by measuring its switching current distribution and find correlated switching events in different junc- tions. We show that the switching dynamics is governed by phase diffusion at low temperatures. Furthermore, we find that self-heating introduces additional damping which results in overdamped I-V characteristics when normal and supercurrents coexist in the device.

権利情報:

• Creative Commons BY Attribution 4.0 International
  

キーワード: Graphene Josephson junction, electronic transport, self-heating

刊行年月日: 2024-08-06

出版者: American Physical Society

掲載誌:

• Physical Review Research (ISSN: 26431564) vol. 6 issue. 3 p. 33143-

研究助成金:

原稿種別: 出版者版 (Version of record)

MDR DOI:

公開URL: https://doi.org/10.1103/PhysRevResearch.6.033143

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更新時刻: 2025-02-06 12:30:41 +0900

MDRでの公開時刻: 2025-02-06 12:30:41 +0900