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Shinji Tsujikawa

Shinji Tsujikawa

Waseda University
Japan

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Physics 96 1858 1768 45 43 288 41025

Shinji Tsujikawa publications per year

The chart shows the history of publications by Shinji Tsujikawa between 1999 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Shinji Tsujikawa published across 28 years, from 1999 to 2026, averaging 11.9 papers a year. Output peaked at 29 publications in 2010. 15 of the 334 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1999 to 2026. Vertical axis: number of publications, 0 to 29. Peak 29 publications in 2010. 1999: 2 publications 2000: 10 publications 2001: 6 publications 2002: 6 publications 2003: 8 publications 2004: 10 publications 2005: 11 publications 2006: 15 publications 2007: 12 publications 2008: 14 publications 2009: 8 publications 2010: 29 publications 2011: 15 publications 2012: 7 publications 2013: 14 publications 2014: 17 publications 2015: 14 publications 2016: 11 publications 2017: 9 publications 2018: 15 publications 2019: 14 publications 2020: 8 publications 2021: 15 publications 2022: 10 publications 2023: 23 publications 2024: 16 publications 2025: 11 publications 2026: 4 publications
1999 2026

334 publications in total across all disciplines

View publications per year as a table
Shinji Tsujikawa: publications per year, 1999 to 2026
Year Publications
1999 2
2000 10
2001 6
2002 6
2003 8
2004 10
2005 11
2006 15
2007 12
2008 14
2009 8
2010 29
2011 15
2012 7
2013 14
2014 17
2015 14
2016 11
2017 9
2018 15
2019 14
2020 8
2021 15
2022 10
2023 23
2024 16
2025 11
2026 4
Total 334
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Shinji Tsujikawa 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 Shinji Tsujikawa 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, 283–302 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: 288 publications — 15th percentile

15% 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
283–302 126 288
303–322 136
323–342 162
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
Download as CSV

Shinji Tsujikawa 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 Shinji Tsujikawa 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, 96–97 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: 96 D-Index — 50th percentile

50% 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
82–83 167
84–85 166
86–87 132
88–89 155
90–91 134
92–93 137
94–95 102
96–97 112 96
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

Shinji Tsujikawa is affiliated with Waseda University in Japan and has contributed extensively to research in physics and astronomy, focusing particularly on cosmology, gravitation theories, and related subfields. Their body of work includes a significant number of publications in well-regarded scientific venues.

The primary areas of study explored by Tsujikawa include:

  • Physics and Astronomy

Within this broad field, they have a substantial focus on the following subfields:

  • Astronomy and Astrophysics
  • Nuclear and High Energy Physics
  • Oceanography
  • Atomic and Molecular Physics, and Optics
  • Ocean Engineering

Their research spans several topics, with the most covered being:

  • Cosmology and Gravitation Theories
  • Black Holes and Theoretical Physics
  • Pulsars and Gravitational Waves Research
  • Geophysics and Gravity Measurements
  • Dark Matter and Cosmic Phenomena
  • Galaxies: Formation, Evolution, Phenomena
  • Solar and Space Plasma Dynamics

Tsujikawa has authored multiple papers, including notable works such as:

  • Current status of space gravitational wave antenna DECIGO and B-DECIGO (2021), published in Progress of Theoretical and Experimental Physics
  • Detection of isotropic cosmic birefringence and its implications for axionlike particles including dark energy (2021), published in Physical Review D
  • Scalar-field dark energy nonminimally and kinetically coupled to dark matter (2020), published in Physical Review D
  • Current status of space gravitational wave antenna DECIGO and B-DECIGO (2021), published as an arXiv preprint
  • Probing elastic interactions in the dark sector and the role of S8 (2021), published in Physical Review D

Frequent publication venues for Tsujikawa's research include:

  • Physical Review D
  • arXiv (Cornell University)
  • Physics Letters B
  • Journal of Cosmology and Astroparticle Physics
  • Progress of Theoretical and Experimental Physics

Among frequent collaborators, Tsujikawa has worked with:

  • Antonio De Felice
  • Ryotaro Kase
  • Masato Minamitsuji
  • Ryodai Kawaguchi
  • Shinji Mukohyama

Best Publications

  • Dynamics of dark energy

    Edmund J. Copeland;M. Sami;Shinji Tsujikawa

  • f(R) theories

    Antonio De Felice;Shinji Tsujikawa

  • Properties of singularities in the (phantom) dark energy universe

    Shin'ichi Nojiri;Sergei D. Odintsov;Shinji Tsujikawa

  • Dark Energy: Theory and Observations

    Luca Amendola;Shinji Tsujikawa

  • Inflation dynamics and reheating

    Bruce A. Bassett;Shinji Tsujikawa;David Wands

  • Conditions for the cosmological viability of f(R) dark energy models

    Luca Amendola;Radouane Gannouji;David Polarski;Shinji Tsujikawa

  • Are f(R) dark energy models cosmologically viable

    Luca Amendola;David Polarski;Shinji Tsujikawa

  • The Japanese space gravitational wave antenna DECIGO

    Seiji Kawamura;Hiroo Kunimori;Mizuhiko Hosokawa;Ryuichi Fujita

  • Quintessence: a review

    Shinji Tsujikawa

  • Dilatonic ghost condensate as dark energy

    Federico Piazza;Shinji Tsujikawa

  • Observational signatures of f ( R ) dark energy models that satisfy cosmological and local gravity constraints

    Shinji Tsujikawa

  • Probing the coupling between dark components of the universe

    Zong Kuan Guo;Nobuyoshi Ohta;Shinji Tsujikawa

  • Modified gravity models of dark energy

    Shinji Tsujikawa

  • WHAT IS NEEDED OF A TACHYON IF IT IS TO BE THE DARK ENERGY

    Edmund J. Copeland;Mohammad R. Garousi;M. Sami;Shinji Tsujikawa

  • Construction of cosmologically viable f(G) gravity models

    Antonio De Felice;Shinji Tsujikawa

  • Matter density perturbations and effective gravitational constant in modified gravity models of dark energy

    Shinji Tsujikawa

  • Cosmology of a Covariant Galileon Field

    Antonio De Felice;Shinji Tsujikawa

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

    Seiji Kawamura;Masaki Ando;Naoki Seto;Shuichi Sato

  • Solar system and equivalence principle constraints on f(R) gravity by the chameleon approach

    Salvatore Capozziello;Shinji Tsujikawa

  • Phantom crossing, equation-of-state singularities, and local gravity constraints in f(R) models

    Luca Amendola;Shinji Tsujikawa

Frequent Co-Authors

Shinji Mukohyama
Shinji Mukohyama Kyoto University
Bruce A. Bassett
Bruce A. Bassett University of Cape Town
Jun'ichi Yokoyama
Jun'ichi Yokoyama University of Tokyo
Shiho Kobayashi
Shiho Kobayashi Liverpool John Moores University
Ken-ichi Ueda
Ken-ichi Ueda University of Electro-Communications
Misao Sasaki
Misao Sasaki University of Erlangen-Nuremberg
Kunihito Ioka
Kunihito Ioka Kyoto University
Masaru Shibata
Masaru Shibata Kyoto University
Kazuhiro Nakazawa
Kazuhiro Nakazawa Nagoya University
Kazunori Kohri
Kazunori Kohri High Energy Accelerator Research Organization

External Links

Personal website of Shinji Tsujikawa Google Scholar page

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Best Scientists Citing Shinji Tsujikawa

Emmanuel N. Saridakis

Emmanuel N. Saridakis

National Observatory of Athens

Publications: 139

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Salvatore Capozziello

University of Naples Federico II

Publications: 122

Sergei D. Odintsov

Sergei D. Odintsov

Catalan Institution for Research and Advanced Studies

Publications: 103

David F. Mota

David F. Mota

University of Oslo

Publications: 72

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Shin'ichi Nojiri

Nagoya University

Publications: 67

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Alexei A. Starobinsky

Landau Institute for Theoretical Physics

Publications: 66

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Francisco S. N. Lobo

University of Lisbon

Publications: 63

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Tiberiu Harko

University College London

Publications: 58

Jun'ichi Yokoyama

Jun'ichi Yokoyama

University of Tokyo

Publications: 53

Robert H. Brandenberger

Robert H. Brandenberger

McGill University

Publications: 52

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Kazuya Koyama

University of Portsmouth

Publications: 51

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Gong-Bo Zhao

Chinese Academy of Sciences

Publications: 45

Sabino Matarrese

Sabino Matarrese

University of Padua

Publications: 36

Misao Sasaki

Misao Sasaki

University of Erlangen-Nuremberg

Publications: 32

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Martin Bojowald

Pennsylvania State University

Publications: 31

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Eric V. Linder

Lawrence Berkeley National Laboratory

Publications: 30

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