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Physics
Austria
2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Physics 96 1883 1789 9 9 646 31468

Helmut Lammer publications per year

The chart shows the history of publications by Helmut Lammer between 1973 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Helmut Lammer published across 53 years, from 1973 to 2025, averaging 13.8 papers a year. Output peaked at 54 publications in 2010. 35 of the 733 publications appeared in the last two years.

No. of publications
10 20 30 40 50
Bar chart. Horizontal axis: year, 1973 to 2025. Vertical axis: number of publications, 0 to 54. Peak 54 publications in 2010. 1973: 1 publication 1974: 0 publications 1975: 0 publications 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 0 publications 1985: 0 publications 1986: 0 publications 1987: 0 publications 1988: 0 publications 1989: 0 publications 1990: 0 publications 1991: 1 publication 1992: 3 publications 1993: 1 publication 1994: 1 publication 1995: 1 publication 1996: 1 publication 1997: 1 publication 1998: 1 publication 1999: 1 publication 2000: 3 publications 2001: 7 publications 2002: 20 publications 2003: 23 publications 2004: 28 publications 2005: 20 publications 2006: 23 publications 2007: 41 publications 2008: 43 publications 2009: 51 publications 2010: 54 publications 2011: 40 publications 2012: 37 publications 2013: 23 publications 2014: 33 publications 2015: 34 publications 2016: 18 publications 2017: 27 publications 2018: 35 publications 2019: 31 publications 2020: 43 publications 2021: 24 publications 2022: 19 publications 2023: 9 publications 2024: 17 publications 2025: 18 publications
1973 2025

733 publications in total across all disciplines

View publications per year as a table
Helmut Lammer: publications per year, 1973 to 2025
Year Publications
1973 1
1974 0
1975 0
1976 0
1977 0
1978 0
1979 0
1980 0
1981 0
1982 0
1983 0
1984 0
1985 0
1986 0
1987 0
1988 0
1989 0
1990 0
1991 1
1992 3
1993 1
1994 1
1995 1
1996 1
1997 1
1998 1
1999 1
2000 3
2001 7
2002 20
2003 23
2004 28
2005 20
2006 23
2007 41
2008 43
2009 51
2010 54
2011 40
2012 37
2013 23
2014 33
2015 34
2016 18
2017 27
2018 35
2019 31
2020 43
2021 24
2022 19
2023 9
2024 17
2025 18
Total 733
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Helmut Lammer 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 Helmut Lammer 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, 643–662 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: 646 publications — 73rd percentile

73% 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
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 60 646
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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Helmut Lammer 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 Helmut Lammer 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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Research.com Recognitions

  • 2026 - Research.com Physics in Austria Leader Award
  • 2025 - Research.com Physics in Austria Leader Award

Overview

Helmut Lammer is affiliated with the Austrian Academy of Sciences in Austria. Their research primarily focuses on the fields of physics and astronomy, with a particular emphasis on astronomy and astrophysics, geophysics, aerospace engineering, atmospheric science, and paleontology. Their extensive publication record includes significant contributions to planetary and space science topics.

The main topics of Helmut Lammer's work include:

  • Astro and Planetary Science
  • Planetary Science and Exploration
  • Stellar, planetary, and galactic studies
  • Solar and Space Plasma Dynamics
  • Astrophysics and Star Formation Studies
  • Ionosphere and magnetosphere dynamics
  • Earthquake Detection and Analysis

The scientist has published frequently in the following venues:

  • Space Science Reviews
  • arXiv (Cornell University)
  • Monthly Notices of the Royal Astronomical Society
  • Journal of Geophysical Research Planets
  • The Astrophysical Journal

Helmut Lammer's recent papers include:

  • A pebble accretion model for the formation of the terrestrial planets in the Solar System, 2021, Science Advances
  • Overcoming the Limitations of the Energy-limited Approximation for Planet Atmospheric Escape, 2020, SibFU Digital Repository (Siberian Federal University)
  • The Long-Term Evolution of the Atmosphere of Venus: Processes and Feedback Mechanisms, 2022, Space Science Reviews
  • Particles and Photons as Drivers for Particle Release from the Surfaces of the Moon and Mercury, 2022, Space Science Reviews
  • Evidence for the volatile-rich composition of a 1.5-Earth-radius planet, 2022, Nature Astronomy

Frequent co-authors in Helmut Lammer's research include:

  • Manuel Scherf
  • P. Wurz
  • L. Fossati
  • Н. В. Еркаев
  • André Galli

Best Publications

  • The PLATO 2.0 Mission

    H. Rauer;C. Catala;C. Aerts;T. Appourchaux

  • The PLATO 2.0 mission

    H. Rauer;H. Rauer;C. Catala;C. Aerts;T. Appourchaux

  • Transiting exoplanets from the CoRoT space mission VIII. CoRoT-7b: the first Super-Earth with measured radius

    A. Leger;D. Rouan;J. Schneider;P. Barge

  • Transiting exoplanets from the CoRoT space mission VIII. CoRoT-7b: the first Super-Earth with measured radius

    A. Léger;D. Rouan;J. Schneider;P. Barge

  • Atmospheric Loss of Exoplanets Resulting from Stellar X-Ray and Extreme-Ultraviolet Heating

    H. Lammer;F. Selsis;I. Ribas;E. F. Guinan

  • What makes a planet habitable

    H. Lammer;J. H. Bredehöft;A. Coustenis;M. L. Khodachenko

  • The CoRoT-7 planetary system: two orbiting super-Earths

    D. Queloz;F. Bouchy;F. Bouchy;C. Moutou;A. Hatzes

  • Coronal mass ejection (CME) activity of low mass M stars as an important factor for the habitability of terrestrial exoplanets. II. CME-induced ion pick up of Earth-like exoplanets in close-in habitable zones.

    Helmut Lammer;Herbert I.M. Lichtenegger;Yuri N. Kulikov;Jean Mathias Grießmeier

  • Roche lobe effects on the atmospheric loss from "Hot Jupiters"

    N. V. Erkaev;Yu. N. Kulikov;H. Lammer;F. Selsis

  • Roche lobe effects on the atmospheric loss of "Hot Jupiters"

    N. V. Erkaev;H. Lammer;Yu. N. Kulikov;D. Langmayr

  • Coronal mass ejection (CME) activity of low mass M stars as an important factor for the habitability of terrestrial exoplanets. I. CME impact on expected magnetospheres of Earth-like exoplanets in close-in habitable zones.

    Maxim L. Khodachenko;Ignasi Ribas;Helmut Lammer;Jean-Mathias Grießmeier

  • A new family of planets? Ocean-Planets

    A. Leger;Franck Selsis;C. Sotin;T. Guillot

  • M stars as targets for terrestrial exoplanet searches and biosignature detection.

    John M Scalo;Lisa Kaltenegger;Ant Gona Segura;Malcolm Fridlund

  • The extreme ultraviolet and X-ray Sun in Time: High-energy evolutionary tracks of a solar-like star

    Lin Tu;Colin P. Johnstone;Manuel Güdel;Helmut Lammer

  • The effect of evaporation on the evolution of close-in giant planets

    I. Baraffe;F. Selsis;G. Chabrier;T. S. Barman

  • Atmospheric Escape and Evolution of Terrestrial Planets and Satellites

    Helmut Lammer;James F. Kasting;Eric Chassefière;Robert E. Johnson

  • Transiting exoplanets from the CoRoT space mission - II. CoRoT-Exo-2b: a transiting planet around an active G star

    R. Alonso;M. Auvergne;A. Baglin;M. Ollivier

  • Transiting exoplanets from the CoRoT space mission I - CoRoT-Exo-1b: a low-density short-period planet around a G0V star

    P. Barge;A. Baglin;M. Auvergne;Heike Rauer

  • Magnetic field investigation of the Venus plasma environment: Expected new results from Venus Express

    T.L. Zhang;T.L. Zhang;W. Baumjohann;M. Delva;H.-U. Auster

  • Transiting exoplanets from the CoRoT space mission . VI. CoRoT-Exo-3b: the first secure inhabitant of the brown-dwarf desert

    M. Deleuil;H. J. Deeg;R. Alonso;F. Bouchy

Frequent Co-Authors

Nikolai V. Erkaev
Nikolai V. Erkaev Siberian Federal University
Heike Rauer
Heike Rauer Freie Universität Berlin
Peter Wurz
Peter Wurz University of Bern
Manuel Güdel
Manuel Güdel University of Vienna
Tristan Guillot
Tristan Guillot Centre national de la recherche scientifique, CNRS
Suzanne Aigrain
Suzanne Aigrain University of Oxford
Magali Deleuil
Magali Deleuil Aix-Marseille University
A. P. Hatzes
A. P. Hatzes Max Planck Society
Mats Holmström
Mats Holmström Swedish Institute of Space Physics
Tsevi Mazeh
Tsevi Mazeh Tel Aviv University

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