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Local and Nonlocal ...
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Ranni, AnttiLund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Fasta tillståndets fysik,Fysiska institutionen,Institutioner vid LTH,LTH profilområde: Nanovetenskap och halvledarteknologi,LTH profilområden,Other operations, LTH,Faculty of Engineering, LTH,Solid State Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,LTH Profile Area: Nanoscience and Semiconductor Technology,LTH Profile areas,Faculty of Engineering, LTH
(author)
Local and Nonlocal Two-Electron Tunneling Processes in a Cooper Pair Splitter
- Article/chapterEnglish2022
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LIBRIS-ID:oai:lup.lub.lu.se:1a826e43-e9a4-4254-83b9-3e87590ba3d0
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https://lup.lub.lu.se/record/1a826e43-e9a4-4254-83b9-3e87590ba3d0URI
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https://doi.org/10.1103/PhysRevLett.129.207703DOI
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
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We measure the rates and coupling coefficients for local Andreev, nonlocal Andreev, and elastic cotunneling processes. The nonlocal Andreev process, giving rise to Cooper pair splitting, exhibits the same coupling coefficient as the elastic cotunneling whereas the local Andreev process is more than 2 orders of magnitude stronger than the corresponding nonlocal one. Theory estimates describe the findings and explain the large difference in the nonlocal and local coupling arising from competition between electron diffusion in the superconductor and tunnel junction transparency.
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Mannila, Elsa T.Aalto University
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Eriksson, AxelLund University
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Golubev, Dmitry S.Aalto University
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Pekola, Jukka P.Aalto University
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Maisi, Ville F.Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Fasta tillståndets fysik,Fysiska institutionen,Institutioner vid LTH,LTH profilområde: Nanovetenskap och halvledarteknologi,LTH profilområden,Other operations, LTH,Faculty of Engineering, LTH,Solid State Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,LTH Profile Area: Nanoscience and Semiconductor Technology,LTH Profile areas,Faculty of Engineering, LTH(Swepub:lu)vi5402ma
(author)
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NanoLund: Centre for NanoscienceAnnan verksamhet, LTH
(creator_code:org_t)
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In:Physical Review Letters129:200031-9007
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