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Researcher · University of Oslo · Norway

Trygve Helgaker

Trygve Helgaker publishes mostly in Atomic and Molecular Physics, and Optics, Physical and Theoretical Chemistry and Electronic, Optical and Magnetic Materials, on topics such as Advanced Chemical Physics Studies, Spectroscopy and Quantum Chemical Studies and Various Chemistry Research Topics.

ORCID 0000-0002-5032-8392 OpenAlex
World rank
#9,651
of 1,633,909 ranked researchers
Rank in Norway
#24
of 6,482
Works
57
Citations
1.3k
Citations per work
22.2

What does Trygve Helgaker research?

Atomic and Molecular Physics, and Optics: 38.5%Physical and Theoretical Chemistry: 11.5%Electronic, Optical and Magnetic Materials: 10.3%Spectroscopy: 6.4%other fields: 33.3%38%top field
Atomic and Molecular Physics, and Optics38.5%Physical and Theoretical Chemistry11.5%Electronic, Optical and Magnetic Materials10.3%Spectroscopy6.4%other fields33.3%

Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.

  1. 1Atomic and Molecular Physics, and Optics38% of their works
  2. 2Physical and Theoretical Chemistry12% of their works
  3. 3Electronic, Optical and Magnetic Materials10% of their works
  4. 4Spectroscopy6% of their works
  5. 5Organic Chemistry6% of their works
  6. 6Statistical and Nonlinear Physics4% of their works

Research topics

Which keywords describe Trygve Helgaker's research?

The keywords of their largest research topics: Density Functional Theory, Dispersion Correction, Photosynthesis, Quantum Coherence, Chemistry Education, Laboratory Techniques, Lanthanide Complexes and Single-Molecule Magnets.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 16 words, with their numbers
  1. Density Functional Theory171 topic
  2. Dispersion Correction171 topic
  3. Photosynthesis81 topic
  4. Quantum Coherence81 topic
  5. Chemistry Education41 topic
  6. Laboratory Techniques41 topic
  7. Lanthanide Complexes41 topic
  8. Single-Molecule Magnets41 topic
  9. Enthalpies31 topic
  10. Fluctuation Theorems31 topic
  11. Partially Ordered Sets31 topic
  12. Periodic Table31 topic
  13. Stochastic Thermodynamics31 topic
  14. Vaporization31 topic
  15. Fluoride Ion Batteries21 topic
  16. Noble Gas Compounds21 topic

Where does Trygve Helgaker work?

Trygve Helgaker's main affiliation in the publication record is University of Oslo, Norway.

How many publications and citations does Trygve Helgaker have?

Science Explorer counts 57 works and 1,263 citations for Trygve Helgaker, ranking #9,651 of 1,633,909 researchers worldwide on the composite score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics are in the interactive view on the map. Is this your page? Request a correction or removal.