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Grant support

We acknowledge useful discussions with V. Fatemi and P. Kurilovich. The Center for Quantum Devices is funded by the Danish National Research Foundation. This work is supported by Novo Nordisk Foundation Grant No. NNF20OC0060019 (C.H.). A.L.Y. acknowledges support from the Spanish AEI through Grant No. PID2020-117671GB-I00, through the "Maria de Maeztu" Programme for Units of Excellence in R&D (Grant No. MDM-2014-0377), and by EU through FETOPEN Grant No. 828948 (AndQC).

Analysis of institutional authors

Levy-Yeyati Mizrahi, AlfredoAuthor
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Article

Inductive microwave response of Yu-Shiba-Rusinov states

Publicated to:PHYSICAL REVIEW B. 105 (5): 54503- - 2022-02-03 105(5), DOI: 10.1103/PhysRevB.105.054503

Authors: Hermansen, C; Yeyati, A Levy; Paaske, J

Affiliations

Univ Autonoma Madrid, Dept Fis Teor Mat Condensada, Condensed Matter Phys Ctr IFIMAC, Madrid 28049, Spain - Author
Univ Autonoma Madrid, Inst Nicolas Cabrera, Madrid 28049, Spain - Author
Univ Copenhagen, Niels Bohr Inst, Ctr Quantum Devices, DK-2100 Copenhagen, Denmark - Author

Abstract

We calculate the frequency-dependent admittance of a phase-biased Josephson junction spanning a magnetic impurity or a spinful Coulomb-blockaded quantum dot. The local magnetic moment gives rise to Yu-Shiba-Rusinov bound states, which govern the subgap absorption as well as the inductive response. We model the system by a superconducting spin-polarized exchange-cotunnel junction and calculate the linear current response to an ac bias voltage, including its dependence on phase bias as well as particle-hole and source-drain coupling asymmetry. The corresponding inductive admittance is analyzed and compared to results of a zero bandwidth, as well as an infinite-gap approximation to the superconducting Anderson model. All three approaches capture the interaction-induced 0-pi transition, which is reflected as a discontinuity in the adiabatic inductive response.

Keywords
Andreev bound-statesCoherent manipulationImpuritiesQuantumResonant josephson currentSpins

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal PHYSICAL REVIEW B due to its progression and the good impact it has achieved in recent years, according to the agency Scopus (SJR), it has become a reference in its field. In the year of publication of the work, 2022, it was in position , thus managing to position itself as a Q1 (Primer Cuartil), in the category Condensed Matter Physics. Notably, the journal is positioned above the 90th percentile.

From a relative perspective, and based on the normalized impact indicator calculated from World Citations provided by WoS (ESI, Clarivate), it yields a value for the citation normalization relative to the expected citation rate of: 1.77. This indicates that, compared to works in the same discipline and in the same year of publication, it ranks as a work cited above average. (source consulted: ESI Nov 14, 2024)

This information is reinforced by other indicators of the same type, which, although dynamic over time and dependent on the set of average global citations at the time of their calculation, consistently position the work at some point among the top 50% most cited in its field:

  • Weighted Average of Normalized Impact by the Scopus agency: 1.59 (source consulted: FECYT Feb 2024)
  • Field Citation Ratio (FCR) from Dimensions: 4.01 (source consulted: Dimensions May 2025)

Specifically, and according to different indexing agencies, this work has accumulated citations as of 2025-05-07, the following number of citations:

  • WoS: 10
  • Scopus: 10
  • OpenCitations: 8
Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-05-07:

  • The use, from an academic perspective evidenced by the Altmetric agency indicator referring to aggregations made by the personal bibliographic manager Mendeley, gives us a total of: 8.
  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 8 (PlumX).

With a more dissemination-oriented intent and targeting more general audiences, we can observe other more global scores such as:

  • The Total Score from Altmetric: 0.25.
  • The number of mentions on the social network X (formerly Twitter): 1 (Altmetric).

It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

  • The work has been submitted to a journal whose editorial policy allows open Open Access publication.
  • Assignment of a Handle/URN as an identifier within the deposit in the Institutional Repository: https://repositorio.uam.es/handle/10486/706065
Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: Denmark.