Real-Time Observation of Discrete Andreev Tunneling Events
Loading...
Journal Title
Journal ISSN
Volume Title
School of Science |
A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
Unless otherwise stated, all rights belong to the author. You may download, display and print this publication for Your own personal use. Commercial use is prohibited.
Date
2011
Major/Subject
Mcode
Degree programme
Language
en
Pages
217003/1-4
Series
Physical Review Letters, Volume 106, Issue 21
Abstract
We provide a direct proof of two-electron Andreev transitions in a superconductor–normal-metal tunnel junction by detecting them in a real-time electron counting experiment. Our results are consistent with ballistic Andreev transport with an order of magnitude higher rate than expected for a uniform barrier, suggesting that only part of the interface is effectively contributing to the transport. These findings are quantitatively supported by our direct current measurements in single-electron transistors with similar tunnel barriers.Description
Keywords
Andreev transitions, superconductors, tunneling, junctions, transistors
Other note
Citation
Maisi, V. F. & Saira, O.-P. & Pashkin, Yu. A. & Tsai, J. S. & Averin, D. V. & Pekola, Jukka. 2011. Real-Time Observation of Discrete Andreev Tunneling Events. Physical Review Letters. Volume 106, Issue 21. 217003/1-4. ISSN 0031-9007 (printed). DOI: 10.1103/physrevlett.106.217003.
