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Jun'ichi Yokoyama

Jun'ichi Yokoyama

University of Tokyo
Japan

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Physics 81 2916 2769 91 88 342 27022

Jun'ichi Yokoyama publications per year

The chart shows the history of publications by Jun'ichi Yokoyama between 1987 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Jun'ichi Yokoyama published across 39 years, from 1987 to 2025, averaging 9.1 papers a year. Output peaked at 33 publications in 2021. 9 of the 356 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1987 to 2025. Vertical axis: number of publications, 0 to 33. Peak 33 publications in 2021. 1987: 2 publications 1988: 3 publications 1989: 3 publications 1990: 2 publications 1991: 5 publications 1992: 2 publications 1993: 8 publications 1994: 9 publications 1995: 4 publications 1996: 6 publications 1997: 4 publications 1998: 11 publications 1999: 15 publications 2000: 7 publications 2001: 7 publications 2002: 9 publications 2003: 8 publications 2004: 8 publications 2005: 7 publications 2006: 11 publications 2007: 10 publications 2008: 14 publications 2009: 10 publications 2010: 14 publications 2011: 15 publications 2012: 14 publications 2013: 10 publications 2014: 14 publications 2015: 13 publications 2016: 11 publications 2017: 7 publications 2018: 12 publications 2019: 14 publications 2020: 13 publications 2021: 33 publications 2022: 6 publications 2023: 6 publications 2024: 6 publications 2025: 3 publications
1987 2025

356 publications in total across all disciplines

View publications per year as a table
Jun'ichi Yokoyama: publications per year, 1987 to 2025
Year Publications
1987 2
1988 3
1989 3
1990 2
1991 5
1992 2
1993 8
1994 9
1995 4
1996 6
1997 4
1998 11
1999 15
2000 7
2001 7
2002 9
2003 8
2004 8
2005 7
2006 11
2007 10
2008 14
2009 10
2010 14
2011 15
2012 14
2013 10
2014 14
2015 13
2016 11
2017 7
2018 12
2019 14
2020 13
2021 33
2022 6
2023 6
2024 6
2025 3
Total 356
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Jun'ichi Yokoyama 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 Jun'ichi Yokoyama sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 70 bars. Horizontal axis: publications, 103–122 to 1,469+. Vertical axis: number of scientists, 0 to 162. Most scientists, 162, have 323–342 publications. The last bar groups every scientist with 1,469 publications or more. The highlighted bar, 323–342 publications, is where this scientist sits. 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
103–122 publications 1,469+

This scientist: 342 publications — 26th percentile

26% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Physics scientists by publication count, Research.com 2026 ranking edition. Based on 3,678 ranked scientists.
Publications Scientists This scientist
103–122 7
123–142 10
143–162 31
163–182 35
183–202 53
203–222 81
223–242 85
243–262 112
263–282 114
283–302 126
303–322 136
323–342 162 342
343–362 155
363–382 156
383–402 134
403–422 145
423–442 147
443–462 131
463–482 131
483–502 116
503–522 106
523–542 103
543–562 87
563–582 84
583–602 94
603–622 70
623–642 76
643–662 60
663–682 54
683–702 60
703–722 48
723–742 64
743–762 48
763–782 37
783–802 43
803–822 34
823–842 36
843–862 32
863–882 32
883–902 31
903–922 25
923–942 15
943–962 24
963–982 13
983–1,002 21
1,003–1,022 21
1,023–1,042 16
1,043–1,062 9
1,063–1,082 19
1,083–1,102 11
1,103–1,122 17
1,123–1,142 11
1,143–1,162 7
1,163–1,182 4
1,183–1,202 10
1,203–1,222 8
1,223–1,242 16
1,243–1,262 4
1,263–1,282 10
1,283–1,302 5
1,303–1,322 7
1,323–1,342 4
1,343–1,362 8
1,363–1,382 6
1,383–1,402 7
1,403–1,422 3
1,423–1,442 4
1,443–1,462 4
1,463–1,468 3
1,469+ 100
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Jun'ichi Yokoyama 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 Jun'ichi Yokoyama sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 59 bars. Horizontal axis: D-Index, 70–71 to 185+. Vertical axis: number of scientists, 0 to 167. Most scientists, 167, have 80–81 D-Index. The last bar groups every scientist with 185 D-Index or more. The highlighted bar, 80–81 D-Index, is where this scientist sits. 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
70–71 D-Index 185+

This scientist: 81 D-Index — 22nd percentile

22% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Physics scientists by D-index, Research.com 2026 ranking edition. Based on 3,678 ranked scientists.
D-Index Scientists This scientist
70–71 76
72–73 110
74–75 143
76–77 153
78–79 144
80–81 167 81
82–83 167
84–85 166
86–87 132
88–89 155
90–91 134
92–93 137
94–95 102
96–97 112
98–99 110
100–101 116
102–103 97
104–105 103
106–107 87
108–109 90
110–111 67
112–113 78
114–115 75
116–117 67
118–119 69
120–121 60
122–123 59
124–125 53
126–127 42
128–129 41
130–131 33
132–133 32
134–135 45
136–137 19
138–139 24
140–141 28
142–143 31
144–145 22
146–147 20
148–149 12
150–151 16
152–153 24
154–155 23
156–157 15
158–159 15
160–161 11
162–163 17
164–165 12
166–167 11
168–169 9
170–171 9
172–173 11
174–175 4
176–177 8
178–179 5
180–181 3
182–183 4
184 4
185+ 99
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Overview

Jun'ichi Yokoyama is a researcher affiliated with the University of Tokyo in Japan. Their academic work primarily focuses on the fields of Physics and Astronomy, with a total of 67 publications across these disciplines. Within these fields, the subfields Yokoyama has contributed to include Astronomy and Astrophysics, Nuclear and High Energy Physics, Geophysics, Oceanography, and Molecular Biology.

The main topics covered in their research encompass Cosmology and Gravitation Theories, Black Holes and Theoretical Physics, Galaxies: Formation, Evolution, Phenomena, Solar and Space Plasma Dynamics, Particle Physics theoretical and experimental studies, Dark Matter and Cosmic Phenomena, and Pulsars and Gravitational Waves Research.

Yokoyama has frequently published in a range of scientific venues, including:

  • arXiv (Cornell University)
  • Journal of Cosmology and Astroparticle Physics
  • Physical Review D
  • Physics Letters B
  • Reports on Progress in Physics

Their recent papers illustrate a particular focus on black holes and inflationary cosmology. Notable publications include:

  • "Constraints on primordial black holes", 2021, Reports on Progress in Physics
  • "Constraining Primordial Black Hole Formation from Single-Field Inflation", 2024, Physical Review Letters
  • "Constraining Primordial Black Hole Formation from Single-Field Inflation", 2022, arXiv (Cornell University)
  • "Occurrence of tachyonic preheating in the mixed Higgs-R² model", 2021, Journal of Cosmology and Astroparticle Physics
  • "Note on the bispectrum and one-loop corrections in single-field inflation with primordial black hole formation", 2024, Physical Review D

Yokoyama's frequent coauthors include:

  • Kohei Kamada
  • Jason Kristiano
  • Fumio Uchida
  • Alexei A. Starobinsky
  • Motoko Fujiwara

Best Publications

  • Prospects for Observing and Localizing Gravitational-Wave Transients with Advanced LIGO, Advanced Virgo and KAGRA

    B. P. Abbott;R. Abbott;T. D. Abbott;M. R. Abernathy

  • New cosmological constraints on primordial black holes

    B. J. Carr;B. J. Carr;B. J. Carr;Kazunori Kohri;Kazunori Kohri;Kazunori Kohri;Yuuiti Sendouda;Yuuiti Sendouda;Jun’ichi Yokoyama;Jun’ichi Yokoyama

  • Generalized G-Inflation —Inflation with the Most General Second-Order Field Equations—

    Tsutomu Kobayashi;Masahide Yamaguchi;Jun'ichi Yokoyama;Jun'ichi Yokoyama

  • Prospects for Observing and Localizing Gravitational-Wave Transients with Advanced LIGO, Advanced Virgo and KAGRA

    B. P. Abbott

  • Equilibrium state of a self-interacting scalar field in the de Sitter background

    Alexei A. Starobinsky;Alexei A. Starobinsky;Jun’ichi Yokoyama

  • The Japanese space gravitational wave antenna DECIGO

    Seiji Kawamura;Hiroo Kunimori;Mizuhiko Hosokawa;Ryuichi Fujita

  • Observation of Gravitational Waves from Two Neutron Star–Black Hole Coalescences

    R. Abbott;T. D. Abbott;S. Abraham;F. Acernese

  • Overview of KAGRA: Detector design and construction history

    T. Akutsu;M. Ando;M. Ando;K. Arai;Y. Arai

  • Inflation driven by the Galileon field.

    Tsutomu Kobayashi;Masahide Yamaguchi;Jun’ichi Yokoyama;Jun’ichi Yokoyama

  • KAGRA: 2.5 Generation Interferometric Gravitational Wave Detector

    T. Akutsu;M. Ando;M. Ando;K. Arai;Y. Arai

  • Gravitational-wave background as a probe of the primordial black-hole abundance.

    Ryo Saito;Jun'ichi Yokoyama

  • Current status of space gravitational wave antenna DECIGO and B-DECIGO

    Seiji Kawamura;Masaki Ando;Naoki Seto;Shuichi Sato

  • Upper limits on the isotropic gravitational-wave background from Advanced LIGO and Advanced Virgo’s third observing run

    R. Abbott;T. D. Abbott;S. Abraham;F. Acernese

  • Chaotic inflation and baryogenesis by right-handed sneutrinos.

    H. Murayama;Hiroshi Suzuki;T. Yanagida;Jun’ ichi Yokoyama

  • Inflation with a constant rate of roll

    Hayato Motohashi;Alexei A. Starobinsky;Alexei A. Starobinsky;Jun'ichi Yokoyama;Jun'ichi Yokoyama

  • Gravitational-Wave Constraints on the Abundance of Primordial Black Holes

    Ryo Saito;Jun'ichi Yokoyama;Jun'ichi Yokoyama

  • Generation of large scale magnetic fields in single-field inflation

    Jérôme Martin;Jun’ichi Yokoyama

  • On the dynamics of the power law inflation due to an exponential potential

    Jun'ichi Yokoyama;Kei ichi Maeda;Kei ichi Maeda

  • Chaotic inflation and baryogenesis in supergravity.

    Hitoshi Murayama;Hiroshi Suzuki;T. Yanagida;Jun'ichi Yokoyama

  • Constraints on Primordial Black Holes

    Bernard Carr;Kazunori Kohri;Yuuiti Sendouda;Jun'ichi Yokoyama

Frequent Co-Authors

Alexei A. Starobinsky
Alexei A. Starobinsky Landau Institute for Theoretical Physics
Kunihito Ioka
Kunihito Ioka Kyoto University
Misao Sasaki
Misao Sasaki University of Erlangen-Nuremberg
Masaru Shibata
Masaru Shibata Kyoto University
Takaaki Kajita
Takaaki Kajita University of Tokyo
Innocenzo M. Pinto
Innocenzo M. Pinto University of Sannio
Kazunori Kohri
Kazunori Kohri High Energy Accelerator Research Organization
Masahiro Kawasaki
Masahiro Kawasaki University of Tokyo

External Links

Personal website of Jun'ichi Yokoyama Google Scholar page

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Best Scientists Citing Jun'ichi Yokoyama

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Publications: 114

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Publications: 104

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Publications: 91

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John Ellis

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Publications: 90

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Dimitri V. Nanopoulos

Texas A&M University

Publications: 86

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Kazunori Kohri

High Energy Accelerator Research Organization

Publications: 86

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Alexei A. Starobinsky

Landau Institute for Theoretical Physics

Publications: 83

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Misao Sasaki

University of Erlangen-Nuremberg

Publications: 62

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University of Padua

Publications: 55

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Antonio Riotto

University of Geneva

Publications: 52

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Publications: 50

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David Wands

University of Portsmouth

Publications: 46

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Autonomous University of Madrid

Publications: 44

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Keith A. Olive

University of Minnesota

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