Signatures of Interactions in the Andreev Spectrum of Nanowire Josephson Junctions.
Phys Rev Lett
; 128(19): 197702, 2022 May 13.
Article
em En
| MEDLINE
| ID: mdl-35622049
We performed microwave spectroscopy of an InAs nanowire between superconducting contacts implementing a finite-length, multichannel Josephson weak link. Certain features in the spectra, such as the splitting by spin-orbit interactions of the transition lines among Andreev states, have been already understood in terms of noninteracting models. However, we identify here additional transitions, which evidence the presence of Coulomb interactions. By combining experimental measurements and model calculations, we reach a qualitative understanding of these very rich Andreev spectra.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Tipo de estudo:
Qualitative_research
Idioma:
En
Ano de publicação:
2022
Tipo de documento:
Article