Jacob Johansen

2.3k total citations · 2 hit papers
52 papers, 935 citations indexed

About

Jacob Johansen is a scholar working on Radiation, Pulmonary and Respiratory Medicine and Radiology, Nuclear Medicine and Imaging. According to data from OpenAlex, Jacob Johansen has authored 52 papers receiving a total of 935 indexed citations (citations by other indexed papers that have themselves been cited), including 28 papers in Radiation, 25 papers in Pulmonary and Respiratory Medicine and 17 papers in Radiology, Nuclear Medicine and Imaging. Recurrent topics in Jacob Johansen's work include Radiation Therapy and Dosimetry (24 papers), Advanced Radiotherapy Techniques (20 papers) and Radiation Detection and Scintillator Technologies (8 papers). Jacob Johansen is often cited by papers focused on Radiation Therapy and Dosimetry (24 papers), Advanced Radiotherapy Techniques (20 papers) and Radiation Detection and Scintillator Technologies (8 papers). Jacob Johansen collaborates with scholars based in Denmark, United States and Sweden. Jacob Johansen's co-authors include Cheng Chin, P.R. Poulsen, Eleni Kanouta, Brita Singers Sørensen, Shih-Kuang Tung, Colin Parker, Mateusz Sitarz, Cai Grau, Gustavo Kertzscher and Karina Jiménez-García and has published in prestigious journals such as Nature, Physical Review Letters and Nature Communications.

In The Last Decade

Jacob Johansen

44 papers receiving 918 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.

Non-Abelian topological order and anyons on a trapped-ion processor

2024 98 citations Mohsin Iqbal, Nathanan Tantivasadakarn et al. Nature profile →
Proton FLASH: Impact of Dose Rate and Split Dose on Acute Skin Toxicity in a Murine Model

2024 40 citations Brita Singers Sørensen, Eleni Kanouta et al. International Journal of Radiation Oncology*Biology*Physics profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Jacob Johansen Denmark	16	427	406	402	222	76	52	935
Jessica Lye Australia	21	642 1.5×	1.4k 3.3×	483 1.2×	392 1.8×	234 3.1×	67	2.1k
Andrew Alves Australia	11	212 0.5×	566 1.4×	158 0.4×	134 0.6×	22 0.3×	22	889
C. Degenhardt Germany	17	235 0.6×	562 1.4×	24 0.1×	187 0.8×	83 1.1×	38	926
X. Qian United States	16	119 0.3×	184 0.5×	119 0.3×	268 1.2×	59 0.8×	64	885
K. Hattori Japan	15	309 0.7×	134 0.3×	46 0.1×	103 0.5×	38 0.5×	66	652
L. Peralta Portugal	13	338 0.8×	49 0.1×	171 0.4×	168 0.8×	47 0.6×	60	573
E. Vallazza Italy	18	792 1.9×	152 0.4×	138 0.3×	284 1.3×	320 4.2×	123	1.3k
M. S. Gulley United States	11	96 0.2×	218 0.5×	56 0.1×	116 0.5×	8 0.1×	26	407
M. Reza Bakhtiari Germany	11	99 0.2×	490 1.2×	74 0.2×	72 0.3×	152 2.0×	24	683
M. A. Paciotti United States	15	269 0.6×	237 0.6×	214 0.5×	128 0.6×	32 0.4×	45	839

Countries citing papers authored by Jacob Johansen

Since Specialization

Citations

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

Fields of papers citing papers by Jacob Johansen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Jacob Johansen. 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 Jacob Johansen. The network helps show where Jacob Johansen may publish in the future.

Co-authorship network of co-authors of Jacob Johansen

This figure shows the co-authorship network connecting the top 25 collaborators of Jacob Johansen. A scholar is included among the top collaborators of Jacob Johansen 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 Jacob Johansen. Jacob Johansen 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

Kristensen, Line, Jacob Johansen, Lone Hoffmann, et al.. (2025). Fractionation increasingly reduces FLASH sparing for acute murine skin damage. Radiotherapy and Oncology. 213. 111209–111209.

Iqbal, Mohsin, Andrew Lyons, Chi‐Fai Lo, et al.. (2025). Qutrit toric code and parafermions in trapped ions. Nature Communications. 16(1). 6301–6301. 1 indexed citations

Kristensen, Line, Jacob Johansen, Anna Mette Hansen, et al.. (2025). Fixation method influences FLASH skin sparing in an in vivo leg model. Acta Oncologica. 64. 1029–1034. 1 indexed citations

Kristensen, Line, Lone Hoffmann, C. Ankjærgaard, et al.. (2025). Electron vs proton FLASH radiation on murine skin toxicity. Radiotherapy and Oncology. 206. 110796–110796. 10 indexed citations

Poulsen, P.R., Brita Singers Sørensen, Line Kristensen, & Jacob Johansen. (2025). Equivalent constant dose rate as a unifying dose rate concept for FLASH across all beam time structures. Medical Physics. 52(12). e70205–e70205.

Kristensen, Line, P.R. Poulsen, Eleni Kanouta, et al.. (2024). Spread-out Bragg peak FLASH: quantifying normal tissue toxicity in a murine model. Frontiers in Oncology. 14. 1427667–1427667. 11 indexed citations

Campbell, Sara, Joan Dreiling, Caroline Figgatt, et al.. (2024). Measuring the Loschmidt Amplitude for Finite-Energy Properties of the Fermi-Hubbard Model on an Ion-Trap Quantum Computer. PRX Quantum. 5(3). 12 indexed citations

Ankjærgaard, C., C.E. Andersen, Mateusz Sitarz, et al.. (2024). The proton RBE and the distal edge effect for acute and late normal tissue damage in vivo. Radiotherapy and Oncology. 203. 110668–110668. 3 indexed citations

Georgi, P., Åsa Carlsson Tedgren, Linda Persson, & Jacob Johansen. (2024). Determination of intrinsic energy dependence of point‐like inorganic scintillation detector in brachytherapy. Medical Physics. 51(7). 5059–5069. 1 indexed citations

10.

Poulsen, P.R., Jacob Johansen, Mateusz Sitarz, et al.. (2024). Oxygen Enhancement Ratio-Weighted Dose Quantitatively Describes Acute Skin Toxicity Variations in Mice After Pencil Beam Scanning Proton FLASH Irradiation With Changing Doses and Time Structures. International Journal of Radiation Oncology*Biology*Physics. 120(1). 276–286. 15 indexed citations

11.

Iqbal, Mohsin, Nathanan Tantivasadakarn, Ruben Verresen, et al.. (2024). Non-Abelian topological order and anyons on a trapped-ion processor. Nature. 626(7999). 505–511. 98 indexed citations breakdown →

12.

Pękala, Jakub R., et al.. (2023). Systematic review and meta‐analysis of the prevalence of the retrotransverse foramen of the atlas. Journal of Anatomy. 243(4). 570–578. 2 indexed citations

13.

Jørgensen, Erik, Simon Buus, Lise Bentzen, et al.. (2022). 3D dose reconstruction based on in vivo dosimetry for determining the dosimetric impact of geometric variations in high-dose-rate prostate brachytherapy. Radiotherapy and Oncology. 171. 62–68. 7 indexed citations

14.

Sørensen, Brita Singers, Mateusz Sitarz, C. Ankjærgaard, et al.. (2022). Pencil beam scanning proton FLASH maintains tumor control while normal tissue damage is reduced in a mouse model. Radiotherapy and Oncology. 175. 178–184. 70 indexed citations

15.

Sørensen, Brita Singers, Mateusz Sitarz, C. Ankjærgaard, et al.. (2021). In vivo validation and tissue sparing factor for acute damage of pencil beam scanning proton FLASH. Radiotherapy and Oncology. 167. 109–115. 106 indexed citations

16.

Fonseca, Gabriel Paiva, Jacob Johansen, R. L. Smith, et al.. (2020). In vivo dosimetry in brachytherapy: Requirements and future directions for research, development, and clinical practice. Physics and Imaging in Radiation Oncology. 16. 1–11. 54 indexed citations

17.

Hoop, Julie van der, Margaret Byron, David L. Miller, et al.. (2018). Turbulent flow reduces oxygen consumption in the labriform swimming shiner perch,Cymatogaster aggregata. Journal of Experimental Biology. 221(Pt 11). 10 indexed citations

18.

DeSalvo, B. J., et al.. (2017). Observation of a Degenerate Fermi Gas Trapped by a Bose-Einstein Condensate. Physical Review Letters. 119(23). 233401–233401. 41 indexed citations

19.

Johansen, Jacob, Simon Buus, Lise Bentzen, et al.. (2017). Time-resolved in vivo dosimetry for source tracking in brachytherapy. Brachytherapy. 17(1). 122–132. 38 indexed citations

20.

Tung, Shih-Kuang, Karina Jiménez-García, Jacob Johansen, Colin Parker, & Cheng Chin. (2014). Observation of geometric scaling of Efimov states in a Fermi-Bose Li-Cs mixture. arXiv (Cornell University). 1 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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