Hans Jørgen Aa. Jensen

13.8k total citations · 2 hit papers
161 papers, 9.2k citations indexed

About

Hans Jørgen Aa. Jensen is a scholar working on Atomic and Molecular Physics, and Optics, Spectroscopy and Physical and Theoretical Chemistry. According to data from OpenAlex, Hans Jørgen Aa. Jensen has authored 161 papers receiving a total of 9.2k indexed citations (citations by other indexed papers that have themselves been cited), including 131 papers in Atomic and Molecular Physics, and Optics, 51 papers in Spectroscopy and 28 papers in Physical and Theoretical Chemistry. Recurrent topics in Hans Jørgen Aa. Jensen's work include Advanced Chemical Physics Studies (105 papers), Spectroscopy and Quantum Chemical Studies (66 papers) and Advanced NMR Techniques and Applications (23 papers). Hans Jørgen Aa. Jensen is often cited by papers focused on Advanced Chemical Physics Studies (105 papers), Spectroscopy and Quantum Chemical Studies (66 papers) and Advanced NMR Techniques and Applications (23 papers). Hans Jørgen Aa. Jensen collaborates with scholars based in Denmark, Sweden and Norway. Hans Jørgen Aa. Jensen's co-authors include Poul Jo rgensen, Trygve Helgaker, Jeppe Olsen, Hans Ågren, Trond Saue, Björn O. Roos, Jens Oddershede, Henrik Koch, Emmanuel Fromager and Kurt V. Mikkelsen and has published in prestigious journals such as The Journal of Chemical Physics, SHILAP Revista de lepidopterología and Physical review. B, Condensed matter.

In The Last Decade

Hans Jørgen Aa. Jensen

160 papers receiving 9.0k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Determinant based configuration interaction algorithms for complete and restricted configuration interaction spaces

1988 885 citations Jeppe Olsen, Poul Jo rgensen et al. The Journal of Chemical Physics profile →
Excitation energies from the coupled cluster singles and doubles linear response function (CCSDLR). Applications to Be, CH+, CO, and H2O

1990 503 citations Hans Jørgen Aa. Jensen, Poul Jo rgensen et al. The Journal of Chemical Physics profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Hans Jørgen Aa. Jensen Denmark	51	7.1k	2.7k	1.9k	1.6k	1.2k	161	9.2k
Roger D. Amos United Kingdom	50	5.9k 0.8×	3.1k 1.2×	1.9k 1.0×	1.6k 1.0×	1.2k 0.9×	138	8.5k
Hiroshi Nakatsuji Japan	53	7.8k 1.1×	2.4k 0.9×	2.6k 1.4×	2.1k 1.3×	724 0.6×	296	10.6k
Horst Köppel Germany	55	8.8k 1.2×	2.8k 1.0×	2.9k 1.5×	1.2k 0.8×	513 0.4×	253	11.1k
Jean‐Paul Malrieu France	48	6.8k 1.0×	2.1k 0.8×	1.7k 0.9×	2.8k 1.8×	2.9k 2.4×	243	10.9k
Poul Jo rgensen Denmark	54	10.1k 1.4×	4.0k 1.5×	2.9k 1.5×	2.1k 1.3×	1.6k 1.3×	111	12.7k
W. von Niessen Germany	50	7.3k 1.0×	2.2k 0.8×	2.1k 1.1×	1.8k 1.1×	534 0.4×	282	9.4k
So Hirata United States	51	6.7k 0.9×	1.6k 0.6×	2.2k 1.2×	2.5k 1.6×	522 0.4×	168	9.5k
Clifford E. Dykstra United States	46	5.8k 0.8×	3.0k 1.1×	1.6k 0.9×	1.1k 0.7×	650 0.5×	183	7.8k
Peter M. W. Gill Australia	48	7.3k 1.0×	2.1k 0.8×	2.2k 1.2×	2.6k 1.6×	854 0.7×	181	11.2k
Charles B. Harris United States	54	4.8k 0.7×	1.5k 0.6×	1.9k 1.0×	2.3k 1.4×	762 0.6×	233	9.0k

Countries citing papers authored by Hans Jørgen Aa. Jensen

Since Specialization

Citations

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

Fields of papers citing papers by Hans Jørgen Aa. Jensen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Hans Jørgen Aa. Jensen. 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 Hans Jørgen Aa. Jensen. The network helps show where Hans Jørgen Aa. Jensen may publish in the future.

Co-authorship network of co-authors of Hans Jørgen Aa. Jensen

This figure shows the co-authorship network connecting the top 25 collaborators of Hans Jørgen Aa. Jensen. A scholar is included among the top collaborators of Hans Jørgen Aa. Jensen based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Hans Jørgen Aa. Jensen. Hans Jørgen Aa. Jensen is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Helmich‐Paris, Benjamin, et al.. (2025). Excited-state methods based on state-averaged long-range CASSCF short-range DFT. Physical Chemistry Chemical Physics. 27(29). 15331–15349.

Heuvel, Willem Van den, Peter Reinholdt, Hans Jørgen Aa. Jensen, & Jacob Kongsted. (2022). Multiconfigurational SCF and Short-Range DFT Combined with Polarizable Density Embedding: Comparison of Linear-Response and State-Specific Solvatochromic Shifts of Acrolein and Para-nitrophenolate in Water. Journal of Chemical Theory and Computation. 18(10). 6231–6239. 2 indexed citations

Παπαδόπουλος, Αναστάσιος, Dmitry I. Lyakh, Michal Repiský, et al.. (2021). Implementation of Relativistic Coupled Cluster Theory for Massively Parallel GPU-Accelerated Computing Architectures. Journal of Chemical Theory and Computation. 17(9). 5509–5529. 31 indexed citations

Hedegård, Erik D., Julien Toulouse, & Hans Jørgen Aa. Jensen. (2017). . arXiv (Cornell University). 28 indexed citations

Eriksen, Janus J., Stephan P. A. Sauer, Kurt V. Mikkelsen, et al.. (2013). Failures of TDDFT in describing the lowest intramolecular charge-transfer excitation inpara-nitroaniline. Molecular Physics. 111(9-11). 1235–1248. 77 indexed citations

Bagus, Paul S., Eugene S. Ilton, Richard L. Martin, Hans Jørgen Aa. Jensen, & Stefan Knecht. (2012). Spin–orbit coupling in actinide cations. Chemical Physics Letters. 546. 58–62. 28 indexed citations

Jensen, Hans Jørgen Aa., Brian Weiner, J. V. Ortiz, & Yngve Öhrn. (2009). A powerful procedure for optimizing AGP states. International Journal of Quantum Chemistry. 22(S16). 615–631. 1 indexed citations

Hansen, Mikkel Bo, Hans Jørgen Aa. Jensen, & Frank Jensen. (2008). Modeling enzymatic transition states by force field methods. International Journal of Quantum Chemistry. 109(2). 373–383. 1 indexed citations

Fromager, Emmanuel & Hans Jørgen Aa. Jensen. (2008). Self-consistent many-body perturbation theory in range-separated density-functional theory: A one-electron reduced-density-matrix-based formulation. Physical Review A. 78(2). 46 indexed citations

10.

Jensen, Hans Jørgen Aa., et al.. (2002). ROSETTA/MARS EXPRESS Power Control Unit: Lessons learnt. 502. 269–274. 2 indexed citations

11.

Jensen, Hans Jørgen Aa., et al.. (2002). Power conditioning unit for Rosetta/Mars express. 502. 249–256. 14 indexed citations

12.

Saue, Trond & Hans Jørgen Aa. Jensen. (1999). Quaternion symmetry in relativistic molecular calculations: The Dirac–Hartree–Fock method. The Journal of Chemical Physics. 111(14). 6211–6222. 128 indexed citations

13.

Aucar, Gustavo A., Trond Saue, Lucas Visscher, & Hans Jørgen Aa. Jensen. (1999). On the origin and contribution of the diamagnetic term in four-component relativistic calculations of magnetic properties. The Journal of Chemical Physics. 110(13). 6208–6218. 166 indexed citations

14.

Dalskov, Erik K., Hans Jørgen Aa. Jensen, & Jens Oddershede. (1997). Does scaling or addition provide the correct frequency dependence of β|(—ωσ; ω1, ω2) at the correlated level? An investigation for six molecules. Molecular Physics. 90(1). 3–14. 7 indexed citations

15.

Packer, Martin J., Erik K. Dalskov, Thomas Enevoldsen, Hans Jørgen Aa. Jensen, & Jens Oddershede. (1996). A new implementation of the second-order polarization propagator approximation (SOPPA): The excitation spectra of benzene and naphthalene. The Journal of Chemical Physics. 105(14). 5886–5900. 162 indexed citations

16.

Ruud, Kenneth, Trygve Helgaker, Rika Kobayashi, et al.. (1994). Multiconfigurational self-consistent field calculations of nuclear shieldings using London atomic orbitals. The Journal of Chemical Physics. 100(11). 8178–8185. 215 indexed citations

17.

Vahtras, Olav, Hans Ågren, Poul Jo rgensen, et al.. (1992). Spin–orbit coupling constants in a multiconfiguration linear response approach. The Journal of Chemical Physics. 96(3). 2118–2126. 84 indexed citations

18.

Olsen, Jeppe, et al.. (1988). Solution of the large matrix equations which occur in response theory. Journal of Computational Physics. 74(2). 265–282. 163 indexed citations

19.

Jensen, Hans Jørgen Aa., Poul Jo rgensen, Hans Ågren, & Jeppe Olsen. (1988). Second-order Mo/ller–Plesset perturbation theory as a configuration and orbital generator in multiconfiguration self-consistent field calculations. The Journal of Chemical Physics. 88(6). 3834–3839. 168 indexed citations

20.

Flores‐Riveros, A., et al.. (1986). A diabatic model for photoionization. Application to the inner valence x-ray photoelectron spectrum of acetylene. The Journal of Chemical Physics. 85(11). 6270–6275. 11 indexed citations

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.

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