World's Best Scientists 2026 revealed!
Hiroshi Nakatsuji

Hiroshi Nakatsuji

D-Index & Metrics

Chemistry

D-Index
76
Citations
19762
World Ranking
4268
National Ranking
239

Physics

D-Index
77
Citations
20333
World Ranking
3243
National Ranking
116

Hiroshi Nakatsuji 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 Hiroshi Nakatsuji 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: 473 publications — 52nd percentile

52% of scientists in this discipline score the same or lower.

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

Hiroshi Nakatsuji 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 Hiroshi Nakatsuji 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: 77 D-Index — 13th percentile

13% of scientists in this discipline score the same or lower.

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

Overview

Hiroshi Nakatsuji is affiliated with Kyoto University in Japan and has contributed extensively to the fields of physics and chemistry, with a special focus on atomic and molecular physics and optics. Their research encompasses advanced chemical physics studies, spectroscopy, and quantum chemical investigations, integrating both theoretical and experimental approaches.

The scientist's main research areas cover:

  • Advanced Chemical Physics Studies
  • Atomic and Molecular Physics
  • Spectroscopy and Quantum Chemical Studies
  • Cold Atom Physics and Bose-Einstein Condensates
  • Advanced Physical and Chemical Molecular Interactions
  • Molecular Spectroscopy and Structure
  • Quantum and Electron Transport Phenomena

Notable publications by Hiroshi Nakatsuji include:

  • Potential curves of the lower nine states of Li2 molecule: Accurate calculations with the free complement theory and the comparisons with the SAC/SAC-CI results, 2022, The Journal of Chemical Physics
  • Solving the Schrödinger equation of atoms and molecules using one- and two-electron integrals only, 2020, Physical Review A
  • Accurate scaling functions of the scaled Schrödinger equation, 2021, The Journal of Chemical Physics
  • Direct local sampling method for solving the Schrödinger equation with the free complement - local Schrödinger equation theory, 2022, Chemical Physics Letters

The scientist has frequently collaborated with colleagues including Hiroyuki Nakashima, Yusaku I. Kurokawa, Misaki Hirato, and Akinari Yokoya. Their collaborative efforts cover a broad spectrum of topics within chemical physics and theoretical approaches to molecular systems.

Hiroshi Nakatsuji's work has been published in several prominent scientific journals, such as:

  • Chemical Physics Letters
  • The Journal of Chemical Physics
  • Journal of Chemical Theory and Computation
  • Physical Review A
  • Physical Chemistry Chemical Physics

Within the broader fields of study, Nakatsuji's contributions predominantly lie in physics and astronomy, especially atomic and molecular physics and optics, alongside physical and theoretical chemistry. The scope of research demonstrates a strong emphasis on both foundational quantum mechanical methods and their applications to chemical systems, molecular interactions, and spectroscopy.

Best Publications

  • Cluster expansion of the wavefunction. Electron correlations in ground and excited states by SAC (symmetry-adapted-cluster) and SAC CI theories

    Hiroshi Nakatsuji

  • Cluster expansion of the wavefunction. Symmetry-adapted-cluster expansion, its variational determination, and extension of open-shell orbital theory

    H. Nakatsuji;K. Hirao

  • Cluster expansion of the wavefunction. Calculation of electron correlations in ground and excited states by SAC and SAC CI theories

    Hiroshi Nakatsuji

  • Cluster expansion of the wavefunction, valence and rydberg excitations, ionizations, and inner-valence ionizations of CO2 and N2O studied by the sac and sac CI theories

    Hiroshi Nakatsuji

  • Direct Determination of the Quantum-Mechanical Density Matrix Using the Density Equation

    Hiroshi Nakatsuji;Koji Yasuda

  • Variational calculations of fermion second-order reduced density matrices by semidefinite programming algorithm

    Maho Nakata;Hiroshi Nakatsuji;Masahiro Ehara;Mitsuhiro Fukuda

  • Equation for the direct determination of the density matrix

    Hiroshi Nakatsuji

  • Description of two- and many-electron processes by the SAC-CI method

    Hiroshi Nakatsuji

  • A generalization of the Davidson's method to large nonsymmetric eigenvalue problems

    K. Hirao;H. Nakatsuji

  • Solving the Schrödinger equation for helium atom and its isoelectronic ions with the free iterative complement interaction "ICI… method

    Hiroyuki Nakashima;Hiroshi Nakatsuji

  • EXCITED AND IONIZED STATES OF FREE BASE PORPHIN STUDIED BY THE SYMMETRY ADAPTED CLUSTER-CONFIGURATION INTERACTION (SAC-CI) METHOD

    Hiroshi Nakatsuji;Jun‐ya Hasegawa;Masahiko Hada

  • Red light in chemiluminescence and yellow-green light in bioluminescence: color-tuning mechanism of firefly, Photinus pyralis, studied by the symmetry-adapted cluster-configuration interaction method.

    Naoki Nakatani;Jun-Ya Hasegawa;Hiroshi Nakatsuji

  • Theoretical Studies on the Color-Tuning Mechanism in Retinal Proteins

    Kazuhiro Fujimoto;Shigehiko Hayashi;Jun-ya Hasegawa;Hiroshi Nakatsuji

  • DIRECT DETERMINATION OF THE QUANTUM-MECHANICAL DENSITY MATRIX USING THE DENSITY EQUATION. II.

    Koji Yasuda;Hiroshi Nakatsuji

  • Structure of the exact wave function

    Hiroshi Nakatsuji

  • Cluster expansion of the wave function. Valence and Rydberg excitations and ionizations of pyrrole, furan, and cyclopentadiene

    H. Nakatsuji;O. Kitao;T. Yonezawa

  • General SCF operator satisfying correct variational condition

    Unknown

  • Cluster expansion of the wavefunction. Pseduo-orbital theory applied to spin correlation

    H. Nakatsuji;H. Nakatsuji;K. Hirao;K. Hirao

  • Vibrationally resolved O 1s photoelectron spectrum of water

    R. Sankari;M. Ehara;H. Nakatsuji;Y. Senba

  • Theoretical Study of the Excited States of Chlorin, Bacteriochlorin, Pheophytin a, and Chlorophyll a by the SAC/SAC-CI Method

    J. Hasegawa;Y. Ozeki;K. Ohkawa;M. Hada

  • Scaled Schrödinger equation and the exact wave function.

    Hiroshi Nakatsuji

Frequent Co-Authors

Jun-ya Hasegawa
Jun-ya Hasegawa Hokkaido University
Teijiro Yonezawa
Teijiro Yonezawa Kyoto University
Hiromi Nakai
Hiromi Nakai Waseda University
Josef Michl
Josef Michl University of Colorado Boulder
Kazuyuki Hirao
Kazuyuki Hirao Kyoto University
Xin Xu
Xin Xu Fudan University
Kohei Tamao
Kohei Tamao Kyoto University
Yasushi Kai
Yasushi Kai Osaka University
Michael J. Frisch
Michael J. Frisch Gaussian Inc.

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