Helge Johansen

33 papers and 506 indexed citations i.

About

Helge Johansen is a scholar working on Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials and Materials Chemistry. According to data from OpenAlex, Helge Johansen has authored 33 papers receiving a total of 506 indexed citations (citations by other indexed papers that have themselves been cited), including 16 papers in Atomic and Molecular Physics, and Optics, 10 papers in Electronic, Optical and Magnetic Materials and 10 papers in Materials Chemistry. Recurrent topics in Helge Johansen’s work include Advanced Chemical Physics Studies (14 papers), Spectroscopy and Quantum Chemical Studies (6 papers) and Nonlinear Optical Materials Research (4 papers). Helge Johansen is often cited by papers focused on Advanced Chemical Physics Studies (14 papers), Spectroscopy and Quantum Chemical Studies (6 papers) and Nonlinear Optical Materials Research (4 papers). Helge Johansen collaborates with scholars based in Denmark, Sweden and United States. Helge Johansen's co-authors include C. J. Ballhausen, Ulf Wahlgren, Björn O. Roos, Sten Rettrup and Børge Bak and has published in prestigious journals such as Journal of the American Chemical Society, The Journal of Physical Chemistry and Chemical Physics Letters.

In The Last Decade

Fields of papers citing papers by Helge Johansen

Since Specialization
EngineeringComputer SciencePhysics and AstronomyMathematicsEarth and Planetary SciencesEnergyEnvironmental ScienceMaterials ScienceChemical EngineeringChemistryAgricultural and Biological SciencesVeterinaryDecision SciencesArts and HumanitiesBusiness, Management and AccountingSocial SciencesPsychologyEconomics, Econometrics and FinanceHealth ProfessionsDentistryMedicineBiochemistry, Genetics and Molecular BiologyNeuroscienceNursingImmunology and MicrobiologyPharmacology, Toxicology and Pharmaceutics

This network shows the specialization of papers citing the papers produced by Helge Johansen. Nodes represent fields, and links connect fields that are likely to share authors. The network helps show where Helge Johansen may publish in the future.

Countries citing papers authored by Helge Johansen

Since Specialization
Citations

This map shows the geographic impact of Helge Johansen'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 Helge Johansen with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Helge Johansen more than expected).

Rankless by CCL
2025