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P.C.E. received financial support from CSIC JAE-Intro program (JAEINT-20-02182). C.S. acknowledges financial support of Ramon y Cajal Programme (RYC2019-028014-I). A.A. and C.S. received financial support through the Postdoctoral Junior Leader Fellowship Programme from la Caixa Banking Foundation (LCF/BQ/LR18/11640005).

Analysis of institutional authors

Agusti, AndresAuthorSabin, CarlosAuthor

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June 25, 2024
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Digital quantum simulation of beam splitters and squeezing with IBM quantum computers

Publicated to:Physical review A: atomic, molecular and optical physics. 104 (5): 052609- - 2021-11-18 104(5), DOI: 10.1103/PhysRevA.104.052609

Authors: Cordero Encinar, Paula; Agusti, Andres; Sabin, Carlos

Affiliations

CSIC, Inst Fis Fundamental, Serrano 113 Bis, Madrid 28006, Spain - Author
Univ Autonoma Madrid UAM, Dept Fis Teor, Madrid 28049, Spain - Author

Abstract

We present results on the digital quantum simulations of beam-splitter and squeezing interactions. The bosonic Hamiltonians are mapped to qubits and then digitalized in order to implement them in the IBM quantum devices. We use error mitigation and postselection to achieve high-fidelity digital quantum simulations of single-mode and two-mode interactions, as evinced-where possible-by full tomography of the resulting states. We achieve fidelities above 90% in the case of single-mode squeezing with low squeezing values and ranging from 60% to 90% for large squeezing and in the more complex two-mode interactions.

Keywords

Astronomia / físicaAtomic and molecular physics, and opticsBiodiversidadeBiotecnologíaCiência da computaçãoCiências ambientaisEconomiaEngenharias iiEngenharias iiiEngenharias ivEnsinoInterdisciplinarMatemática / probabilidade e estatísticaMateriaisMedicina iiOdontologíaOpticsPhysicsPhysics, atomic, molecular & chemicalQuímicaSaúde coletiva

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Physical review A: atomic, molecular and optical physics 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, 2021, it was in position , thus managing to position itself as a Q1 (Primer Cuartil), in the category Atomic and Molecular Physics, and Optics.

From a relative perspective, and based on the normalized impact indicator calculated from the Field Citation Ratio (FCR) of the Dimensions source, it yields a value of: 2.08, which 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: Dimensions Aug 2025)

Specifically, and according to different indexing agencies, this work has accumulated citations as of 2025-08-02, the following number of citations:

  • WoS: 2
  • Scopus: 5
  • Open Alex: 5

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 2025-08-02:

  • 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: 12.
  • 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: 12 (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: 2.35.
  • The number of mentions on the social network X (formerly Twitter): 4 (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.

Leadership analysis of institutional authors

There is a significant leadership presence as some of the institution’s authors appear as the first or last signer, detailed as follows: Last Author (SABIN LESTAYO, CARLOS).