Helmut Ehrhardt
Impact in
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- Astro and Planetary Science
- Ionosphere and magnetosphere dynamics
- Solar and Space Plasma Dynamics
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- Atomic and Molecular Physics
- Advanced Chemical Physics Studies
Papers in
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- Atomic and Molecular Physics 4
- Advanced Chemical Physics Studies 2
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- Mass Spectrometry Techniques and Applications 3
- Co-authors
- R. F. Stebbings (4 shared papers)A. C. H. Smith (2 shared papers)Robin A. Young (1 shared paper)Forrest E. Linder (3 shared papers)Gero Meister (1 shared paper)
- Journals
- Journal of Geophysical Research Atmospheres (1 paper)The Journal of Chemical Physics (1 paper)Zeitschrift für Naturforschung A (5 papers)OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (1 paper)Physical Review (1 paper)
- Partner nations
- GermanyUnited States
In The Last Decade
Helmut Ehrhardt
9 papers receiving 370 citations
Peers
Comparison fields: 5 of 39
- Astronomy and Astrophysics 155
- Atomic and Molecular Physics, and Optics 271
- Spectroscopy 139
- Radiation 50
- Atmospheric Science 59
Countries citing papers authored by Helmut Ehrhardt
This map shows the geographic impact of Helmut Ehrhardt's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Helmut Ehrhardt with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Helmut Ehrhardt more than expected).
Fields of papers citing papers by Helmut Ehrhardt
This network shows the impact of papers produced by Helmut Ehrhardt. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Helmut Ehrhardt. The network helps show where Helmut Ehrhardt may publish in the future.
Co-authors
The 5 scholars most cited alongside Helmut Ehrhardt, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.
All Works
| # | Work | ||
|---|---|---|---|
| 1 | 1964 | 171 | |
| 2 | 1965 | 105 | |
| 3 | 1967 | 54 | |
| 4 | 1963 | 45 | |
| 5 | 1967 | 27 | |
| 6 | 1960 | 16 | |
| 7 | 1965 | 11 | |
| 8 | 1967 | 8 | |
| 9 | Charge transfer between oxygen atoms and O and H ions. [40 eV to 10 keV: cross sections] | 1963 | 1 |
About Helmut Ehrhardt
Helmut Ehrhardt is a scholar working on Atomic and Molecular Physics, and Optics, Spectroscopy, Surfaces, Coatings and Films, Astronomy and Astrophysics and Bioengineering, having authored 9 papers that have together received 438 indexed citations. Recurring topics across this work include Atomic and Molecular Physics (4 papers), Mass Spectrometry Techniques and Applications (3 papers), Plasma Diagnostics and Applications (3 papers), Advanced Chemical Physics Studies (2 papers), Ionosphere and magnetosphere dynamics (2 papers), Electron and X-Ray Spectroscopy Techniques (2 papers), Chemical Thermodynamics and Molecular Structure (1 paper) and Photocathodes and Microchannel Plates (1 paper). The work is most often cited by research in Astronomy and Astrophysics (155 citations), Atomic and Molecular Physics, and Optics (271 citations), Spectroscopy (139 citations), Radiation (50 citations) and Atmospheric Science (59 citations). Helmut Ehrhardt has collaborated with scholars based in Germany and United States. Frequent co-authors include R. F. Stebbings, A. C. H. Smith, Robin A. Young, Forrest E. Linder and Gero Meister. Their work appears in journals such as Journal of Geophysical Research Atmospheres, The Journal of Chemical Physics, Zeitschrift für Naturforschung A, OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) and Physical Review.
Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.