World's Best Scientists 2026 revealed!

D-Index & Metrics

Physics

D-Index
72
Citations
24111
World Ranking
3570
National Ranking
1675

Shoko Sakai publication distribution in Physics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Physics in 2026. The highlighted bar marks where Shoko Sakai sits on this spectrum.

103–122 publications: 7 scientists 123–142 publications: 10 scientists 143–162 publications: 31 scientists 163–182 publications: 35 scientists 183–202 publications: 53 scientists 203–222 publications: 81 scientists 223–242 publications: 85 scientists 243–262 publications: 112 scientists 263–282 publications: 114 scientists 283–302 publications: 126 scientists 303–322 publications: 136 scientists 323–342 publications: 162 scientists 343–362 publications: 155 scientists 363–382 publications: 156 scientists 383–402 publications: 134 scientists 403–422 publications: 145 scientists 423–442 publications: 147 scientists 443–462 publications: 131 scientists 463–482 publications: 131 scientists 483–502 publications: 116 scientists 503–522 publications: 106 scientists 523–542 publications: 103 scientists 543–562 publications: 87 scientists 563–582 publications: 84 scientists 583–602 publications: 94 scientists 603–622 publications: 70 scientists 623–642 publications: 76 scientists 643–662 publications: 60 scientists 663–682 publications: 54 scientists 683–702 publications: 60 scientists 703–722 publications: 48 scientists 723–742 publications: 64 scientists 743–762 publications: 48 scientists 763–782 publications: 37 scientists 783–802 publications: 43 scientists 803–822 publications: 34 scientists 823–842 publications: 36 scientists 843–862 publications: 32 scientists 863–882 publications: 32 scientists 883–902 publications: 31 scientists 903–922 publications: 25 scientists 923–942 publications: 15 scientists 943–962 publications: 24 scientists 963–982 publications: 13 scientists 983–1,002 publications: 21 scientists 1,003–1,022 publications: 21 scientists 1,023–1,042 publications: 16 scientists 1,043–1,062 publications: 9 scientists 1,063–1,082 publications: 19 scientists 1,083–1,102 publications: 11 scientists 1,103–1,122 publications: 17 scientists 1,123–1,142 publications: 11 scientists 1,143–1,162 publications: 7 scientists 1,163–1,182 publications: 4 scientists 1,183–1,202 publications: 10 scientists 1,203–1,222 publications: 8 scientists 1,223–1,242 publications: 16 scientists 1,243–1,262 publications: 4 scientists 1,263–1,282 publications: 10 scientists 1,283–1,302 publications: 5 scientists 1,303–1,322 publications: 7 scientists 1,323–1,342 publications: 4 scientists 1,343–1,362 publications: 8 scientists 1,363–1,382 publications: 6 scientists 1,383–1,402 publications: 7 scientists 1,403–1,422 publications: 3 scientists 1,423–1,442 publications: 4 scientists 1,443–1,462 publications: 4 scientists 1,463–1,468 publications: 3 scientists 1,469+ publications: 100 scientists
103 publications 1,469+

This scientist: 195 publications — 3rd percentile

3% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,469 publications or more.

Shoko Sakai D-index placement in Physics in 2026

The chart shows the D-index (discipline H-index) distribution of Physics scientists ranked by Research.com in 2026. The highlighted bar marks where Shoko Sakai sits on this spectrum.

70–71 D-Index: 76 scientists 72–73 D-Index: 110 scientists 74–75 D-Index: 143 scientists 76–77 D-Index: 153 scientists 78–79 D-Index: 144 scientists 80–81 D-Index: 167 scientists 82–83 D-Index: 167 scientists 84–85 D-Index: 166 scientists 86–87 D-Index: 132 scientists 88–89 D-Index: 155 scientists 90–91 D-Index: 134 scientists 92–93 D-Index: 137 scientists 94–95 D-Index: 102 scientists 96–97 D-Index: 112 scientists 98–99 D-Index: 110 scientists 100–101 D-Index: 116 scientists 102–103 D-Index: 97 scientists 104–105 D-Index: 103 scientists 106–107 D-Index: 87 scientists 108–109 D-Index: 90 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 78 scientists 114–115 D-Index: 75 scientists 116–117 D-Index: 67 scientists 118–119 D-Index: 69 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 59 scientists 124–125 D-Index: 53 scientists 126–127 D-Index: 42 scientists 128–129 D-Index: 41 scientists 130–131 D-Index: 33 scientists 132–133 D-Index: 32 scientists 134–135 D-Index: 45 scientists 136–137 D-Index: 19 scientists 138–139 D-Index: 24 scientists 140–141 D-Index: 28 scientists 142–143 D-Index: 31 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 20 scientists 148–149 D-Index: 12 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 24 scientists 154–155 D-Index: 23 scientists 156–157 D-Index: 15 scientists 158–159 D-Index: 15 scientists 160–161 D-Index: 11 scientists 162–163 D-Index: 17 scientists 164–165 D-Index: 12 scientists 166–167 D-Index: 11 scientists 168–169 D-Index: 9 scientists 170–171 D-Index: 9 scientists 172–173 D-Index: 11 scientists 174–175 D-Index: 4 scientists 176–177 D-Index: 8 scientists 178–179 D-Index: 5 scientists 180–181 D-Index: 3 scientists 182–183 D-Index: 4 scientists 184 D-Index: 4 scientists 185+ D-Index: 99 scientists
70 D-Index 185+

This scientist: 72 D-Index — 3rd percentile

3% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 185 D-Index or more.

Overview

Shoko Sakai is affiliated with the University of California, Los Angeles in the United States. Their research primarily falls under the broad field of Physics and Astronomy, with a significant focus on Astronomy and Astrophysics as a subfield. They have also contributed to Biomedical Engineering, Instrumentation, Atomic and Molecular Physics, and Optics, as well as Computational Mechanics.

Their work covers a variety of main topics, including:

  • Astrophysical Phenomena and Observations
  • Stellar, planetary, and galactic studies
  • Pulsars and Gravitational Waves Research
  • Astrophysics and Star Formation Studies
  • Mechanics and Biomechanics Studies
  • Astronomy and Astrophysical Research
  • Adaptive optics and wavefront sensing

Sakai has frequently published in several venues. The most common publication outlets are:

  • The Astrophysical Journal
  • arXiv (Cornell University)
  • The Astronomical Journal
  • Physical Review Letters
  • The Astrophysical Journal Letters

Their co-authorship network includes collaborations with several researchers, notably:

  • A. M. Ghez
  • Tuan Do
  • Jessica R. Lu
  • Abhimat K. Gautam
  • Matthew W. Hosek

Selected recent papers authored or co-authored by Sakai include:

  • "Search for a Variation of the Fine Structure Constant around the Supermassive Black Hole in Our Galactic Center" (2020), published in Physical Review Letters
  • "Stellar Populations in the Central 0.5 pc of Our Galaxy. III. The Dynamical Substructures" (2023), published in The Astrophysical Journal
  • "The Swansong of the Galactic Center Source X7: An Extreme Example of Tidal Evolution near the Supermassive Black Hole" (2023), published in The Astrophysical Journal
  • "Evidence of a Decreased Binary Fraction for Massive Stars within 20 milliparsecs of the Supermassive Black Hole at the Galactic Center" (2023), published in The Astrophysical Journal
  • "Near-infrared Flux Distribution of Sgr A* from 2005-2022: Evidence for an Enhanced Accretion Episode in 2019" (2023), published in The Astrophysical Journal Letters

Best Publications

  • Final Results from the Hubble Space Telescope Key Project to Measure the Hubble Constant

    Wendy L. Freedman;Barry F. Madore;Barry F. Madore;Brad K. Gibson;Laura Ferrarese

  • The HST Key Project on the Extragalactic Distance Scale. XXVIII. Combining the Constraints on the Hubble Constant

    Jeremy R Mould;John P Huchra;Wendy L Freedman;Robert C Kennicutt Jr

  • The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. XXVIII. Combining the Constraints on the Hubble Constant

    Jeremy R. Mould;John P. Huchra;Wendy L. Freedman;Robert C. Kennicutt

  • Comparison of H-alpha and UV Star Formation Rates in the Local Volume: Systematic Discrepancies for Dwarf Galaxies

    Janice C. Lee;Armando Gil de Paz;Christy Tremonti;Robert C. Kennicutt

  • An Hα Imaging Survey of Galaxies in the Local 11 Mpc Volume

    Robert C. Kennicutt;Robert C. Kennicutt;Janice C. Lee;Janice C. Lee;S. J. José G. Funes;S. J. José G. Funes;Shoko Sakai

  • An H-alpha Imaging Survey of Galaxies in the Local 11 Mpc Volume

    Robert C. Kennicutt Jr.;Janice C. Lee;Jose G. Funes S. J.;Shoko Sakai

  • COMPARISON OF Hα AND UV STAR FORMATION RATES IN THE LOCAL VOLUME: SYSTEMATIC DISCREPANCIES FOR DWARF GALAXIES

    Janice C. Lee;Armando Gil de Paz;Christy Tremonti;Christy Tremonti;Robert C. Kennicutt;Robert C. Kennicutt

  • THE SPITZER LOCAL VOLUME LEGACY: SURVEY DESCRIPTION AND INFRARED PHOTOMETRY

    D. A. Dale;S. A. Cohen;L. C. Johnson;L. C. Johnson;M. D. Schuster

  • The Calibration of Monochromatic Far-Infrared Star Formation Rate Indicators

    D. Calzetti;S. Y. Wu;S. Hong;R. C. Kennicutt

  • The HST Key Project on the Extragalactic Distance Scale XIII. The Metallicity Dependence of the Cepheid Distance Scale

    R. Kennicutt;P. Stetson;A. Saha;D. Kelson

  • Tip of the Red Giant Branch Distances. II. Zero-Point Calibration

    Luca Rizzi;R. Brent Tully;Dmitry Makarov;Dmitry Makarov;Dmitry Makarov;Lidia Makarova;Lidia Makarova;Lidia Makarova

  • Observation of an Antimatter Hypernucleus

    B. I. Abelev;M. M. Aggarwal;Z. Ahammed;A. V. Alakhverdyants

  • The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. XXVI. The Calibration of Population II Secondary Distance Indicators and the Value of the Hubble Constant

    Laura Ferrarese;Jeremy R. Mould;Robert C. Kennicutt;John Huchra

  • The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. XIII. The Metallicity Dependence of the Cepheid Distance Scale

    Robert C. Kennicutt;Peter B. Stetson;Abhijit Saha;Dan Kelson

  • A galex ultraviolet imaging survey of galaxies in the local volume

    Janice C. Lee;Armando Gil de Paz;Robert C. Kennicutt;Robert C. Kennicutt;Matthew Bothwell

  • The HST Key Project on the Extragalactic Distance Scale XXVI. The Calibration of Population II Secondary Distance Indicators and the Value of the Hubble Constant

    Laura Ferrarese;Jeremy R. Mould;Robert C. Kennicutt;John Huchra

  • A GALEX Ultraviolet Imaging Survey of Galaxies in the Local Volume

    Janice C. Lee;Armando Gil de Paz;Robert C. Kennicutt;Matthew Bothwell

  • Tip of the Red Giant Branch Distances to Galaxies. III. The Dwarf Galaxy Sextans A

    Shoko Sakai;Barry F. Madore;Wendy L. Freedman

  • The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. XXIV. The Calibration of Tully-Fisher Relations and the Value of the Hubble Constant

    Shoko Sakai;Jeremy R. Mould;Shaun M. G. Hughes;John P. Huchra

  • Dwarf Galaxy Starburst Statistics in the Local Volume

    Janice C. Lee;Janice C. Lee;Robert C. Kennicutt;Robert C. Kennicutt;S. J. José G. Funes;S. J. José G. Funes;Shoko Sakai

Frequent Co-Authors

Robert C. Kennicutt
Robert C. Kennicutt University of Cambridge
Wendy L. Freedman
Wendy L. Freedman University of Chicago
Laura Ferrarese
Laura Ferrarese National Academies of Sciences, Engineering, and Medicine
Jeremy Mould
Jeremy Mould Swinburne University of Technology
Barry F. Madore
Barry F. Madore Carnegie Institution for Science
Brad K. Gibson
Brad K. Gibson University of Hull
Peter B. Stetson
Peter B. Stetson University of Victoria
Garth D. Illingworth
Garth D. Illingworth University of California, Santa Cruz
John P. Huchra
John P. Huchra Harvard University
Madan M. Aggarwal
Madan M. Aggarwal Panjab University

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