World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
64
Citations
16250
World Ranking
7972
National Ranking
2316

Bernard Kirtman publication distribution in Chemistry in 2026

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

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 259 publications — 52nd percentile

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

The last bar groups every scientist with 1,295 publications or more.

Bernard Kirtman D-index placement in Chemistry in 2026

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

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 64 D-Index — 56th percentile

56% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Overview

Bernard Kirtman is affiliated with the University of California, Santa Barbara in the United States. Their research spans multiple fields including Physics and Astronomy, Chemistry, and Materials Science, with a strong emphasis on subfields such as Atomic and Molecular Physics and Optics, Electronic, Optical and Magnetic Materials, Inorganic Chemistry, Materials Chemistry, and Physical and Theoretical Chemistry.

Their main topics of work cover advanced chemical physics studies, inorganic chemistry and materials, crystal structures and properties, advanced physical and chemical molecular interactions, Heusler alloys focusing on electronic and magnetic properties, machine learning in materials science, and inorganic fluorides and related compounds.

Bernard Kirtman has contributed to several recent papers, including:

  • CRYSTAL23: A Program for Computational Solid State Physics and Chemistry (2022), published in Journal of Chemical Theory and Computation
  • The CRYSTAL code, 1976-2020 and beyond, a long story (2020), published in The Journal of Chemical Physics
  • First-Principles Calculation of the Optical Rotatory Power of Periodic Systems: Application on α-Quartz, Tartaric Acid Crystal, and Chiral (n,m)-Carbon Nanotubes (2021), published in Journal of Chemical Theory and Computation
  • Perturbation Theory Treatment of Spin-Orbit Coupling II: A Coupled Perturbed Kohn-Sham Method (2021), published in Journal of Chemical Theory and Computation
  • First-principles calculation of the optical rotatory power of periodic systems: Modern theory with modern functionals (2023), published in Physical review. B./Physical review. B

Frequent co-authors collaborating with Bernard Kirtman include Jacques K. Desmarais, Alessandro Erba, Jean-Pierre Flament, Michel Rérat, and Bartolomeo Civalleri.

The primary publication venues for their work are:

  • Journal of Chemical Theory and Computation
  • arXiv (Cornell University)
  • The Journal of Chemical Physics
  • Physical review. B./Physical review. B
  • Physical Chemistry Chemical Physics

Best Publications

  • Quantum-mechanical condensed matter simulations with CRYSTAL

    Roberto Dovesi;Alessandro Erba;Roberto Orlando;Claudio M. Zicovich-Wilson

  • CRYSTAL14: A program for the ab initio investigation of crystalline solids

    Roberto Dovesi;Roberto Orlando;Alessandro Erba;Claudio M. Zicovich-Wilson

  • Assessment of Conventional Density Functional Schemes for Computing the Polarizabilities and Hyperpolarizabilities of Conjugated Oligomers: An Ab Initio Investigation of Polyacetylene Chains

    B. Champagne;E. A. Perpete;S. J. A. van Gisbergen;E. J. Baerends

  • Assessment of Conventional Density Functional Schemes for Computing the Dipole Moment and (Hyper)polarizabilities of Push−Pull π-Conjugated Systems†

    Benoît Champagne;and Eric A. Perpète;Denis Jacquemin;Stan J. A. van Gisbergen and

  • Electric field dependence of the exchange-correlation potential in molecular chains

    S.J.A. van Gisbergen;P.R.T. Schipper;O.V. Gritsenko;E.J. Baerends

  • A perturbation method for calculating vibrational dynamic dipole polarizabilities and hyperpolarizabilities

    David M. Bishop;Bernard Kirtman

  • Interactions between Ordinary Vibrations and Hindered Internal Rotation. I. Rotational Energies

    Bernard Kirtman

  • Compact formulas for vibrational dynamic dipole polarizabilities and hyperpolarizabilities

    David M. Bishop;Bernard Kirtman

  • Ab initio analytical Raman intensities for periodic systems through a coupled perturbed Hartree-Fock/Kohn-Sham method in an atomic orbital basis. I. Theory.

    Lorenzo Maschio;Bernard Kirtman;Michel Rérat;Roberto Orlando

  • Calculation of first and second static hyperpolarizabilities of one- to three-dimensional periodic compounds. Implementation in the CRYSTAL code.

    Mauro Ferrero;Michel Rérat;Bernard Kirtman;Roberto Dovesi

  • Ab initio analytical Raman intensities for periodic systems through a coupled perturbed Hartree-Fock/Kohn-Sham method in an atomic orbital basis. II. Validation and comparison with experiments

    Lorenzo Maschio;Bernard Kirtman;Michel Rérat;Roberto Orlando

  • A simple method for determining approximate static and dynamic vibrational hyperpolarizabilities

    David M. Bishop;Muhammed Hasan;Bernard Kirtman

  • The CRYSTAL code, 1976-2020 and beyond, a long story.

    Roberto Dovesi;Fabien Pascale;Bartolomeo Civalleri;Klaus Doll

  • Simultaneous calculation of several interacting electronic states by generalized Van Vleck perturbation theory

    Bernard Kirtman

  • Basis set and electron correlation effects on initial convergence for vibrational nonlinear optical properties of conjugated organic molecules.

    Miquel Torrent-Sucarrat;Miquel Solà;Miquel Duran;Josep M. Luis

  • Ab initio analytical infrared intensities for periodic systems through a coupled perturbed Hartree-Fock/Kohn-Sham method

    Lorenzo Maschio;Bernard Kirtman;Roberto Orlando;Michel Rèrat

  • Density-functional theory (hyper)polarizabilities of push-pull π-conjugated systems: Treatment of exact exchange and role of correlation

    Felipe A. Bulat;Alejandro Toro-Labbé;Benoît Champagne;Bernard Kirtman

  • Calculation of electric dipole (hyper)polarizabilities by long-range-correction scheme in density functional theory: a systematic assessment for polydiacetylene and polybutatriene oligomers.

    Bernard Kirtman;Sean Bonness;Alejandro Ramirez-Solis;Benoit Champagne

  • ADDITIONAL COMPACT FORMULAS FOR VIBRATIONAL DYNAMIC DIPOLE POLARIZABILITIES AND HYPERPOLARIZABILITIES

    David M. Bishop;Josep Maria Luis Luis;Bernard Kirtman

  • Extension of the Genkin and Mednis treatment for dynamic polarizabilities and hyperpolarizabilities of infinite periodic systems. I. Coupled perturbed Hartree–Fock theory

    Bernard Kirtman;Feng Long Gu;David M. Bishop

Frequent Co-Authors

Benoît Champagne
Benoît Champagne University of Namur
Josep M. Luis
Josep M. Luis University of Girona
Roberto Dovesi
Roberto Dovesi University of Turin
David M. Bishop
David M. Bishop University of Ottawa
Claudio M. Zicovich-Wilson
Claudio M. Zicovich-Wilson Universidad Autónoma del Estado de Morelos
Bartolomeo Civalleri
Bartolomeo Civalleri University of Turin
Eric A. Perpète
Eric A. Perpète University of Namur
Miquel Duran
Miquel Duran University of Girona
Denis Jacquemin
Denis Jacquemin University of Nantes
Manthos G. Papadopoulos
Manthos G. Papadopoulos University of California, Santa Barbara

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