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  • Fatemi, V.Yale University (author)

Microwave Susceptibility Observation of Interacting Many-Body Andreev States

  • Article/chapterEnglish2022

Publisher, publication year, extent ...

  • 2022
  • electronicrdacarrier

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  • LIBRIS-ID:oai:research.chalmers.se:bdbd2a13-7022-45e7-b61a-ccc7a75e0736
  • https://research.chalmers.se/publication/533656URI
  • https://doi.org/10.1103/PhysRevLett.129.227701DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • Electrostatic charging affects the many-body spectrum of Andreev states, yet its influence on their microwave properties has not been elucidated. We developed a circuit quantum electrodynamics probe that, in addition to transition spectroscopy, measures the microwave susceptibility of different states of a semiconductor nanowire weak link with a single dominant (spin-degenerate) Andreev level. We found that the microwave susceptibility does not exhibit a particle-hole symmetry, which we qualitatively explain as an influence of Coulomb interaction. Moreover, our state-selective measurement reveals a large, ?-phase shifted contribution to the response common to all many-body states which can be interpreted as arising from a phase-dependent continuum in the superconducting density of states.

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Added entries (persons, corporate bodies, meetings, titles ...)

  • Kurilovich, P. D.Yale University (author)
  • Hays, M.Yale University (author)
  • Bouman, DaniëlTechnische Universiteit Delft,Delft University of Technology (TU Delft) (author)
  • Connolly, T.Yale University (author)
  • Diamond, S.Yale University (author)
  • Frattini, N. E.Yale University (author)
  • Kurilovich, V. D.Yale University (author)
  • Krogstrup, P.Niels Bohr Institute (author)
  • Nygard, J.Niels Bohr Institute (author)
  • Geresdi, Attila,1984Chalmers tekniska högskola,Chalmers University of Technology,Technische Universiteit Delft,Delft University of Technology (TU Delft)(Swepub:cth)geresdi (author)
  • Glazman, L. I.Yale University (author)
  • Devoret, M. H.Yale University (author)
  • Yale UniversityTechnische Universiteit Delft (creator_code:org_t)

Related titles

  • In:Physical Review Letters129:221079-71140031-9007

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