J.U. Koppel

1.1k total citations · 1 hit paper
18 papers, 804 citations indexed

About

J.U. Koppel is a scholar working on Atomic and Molecular Physics, and Optics, Radiation and Materials Chemistry. According to data from OpenAlex, J.U. Koppel has authored 18 papers receiving a total of 804 indexed citations (citations by other indexed papers that have themselves been cited), including 10 papers in Atomic and Molecular Physics, and Optics, 10 papers in Radiation and 5 papers in Materials Chemistry. Recurrent topics in J.U. Koppel's work include Nuclear Physics and Applications (9 papers), Atomic and Subatomic Physics Research (6 papers) and Quantum, superfluid, helium dynamics (6 papers). J.U. Koppel is often cited by papers focused on Nuclear Physics and Applications (9 papers), Atomic and Subatomic Physics Research (6 papers) and Quantum, superfluid, helium dynamics (6 papers). J.U. Koppel collaborates with scholars based in United States. J.U. Koppel's co-authors include James A. Young, A. A. Maradudin and Jennifer A. Young and has published in prestigious journals such as The Journal of Chemical Physics, Physics Letters A and Nuclear Science and Engineering.

In The Last Decade

J.U. Koppel

18 papers receiving 754 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.

Hydrogen Bonding in Solids

1969 423 citations J.U. Koppel Nuclear Science and Engineering profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
J.U. Koppel United States	9	304	266	166	146	145	18	804
A.W. Pryor Australia	13	745 2.5×	182 0.7×	195 1.2×	115 0.8×	118 0.8×	32	1.1k
Edward Catalano United States	16	335 1.1×	316 1.2×	153 0.9×	60 0.4×	172 1.2×	35	878
J. Rolfe Canada	21	660 2.2×	331 1.2×	164 1.0×	74 0.5×	132 0.9×	30	1.0k
F. A. Johnson India	18	374 1.2×	497 1.9×	183 1.1×	57 0.4×	131 0.9×	51	1.1k
G. J. Safford United States	12	209 0.7×	250 0.9×	53 0.3×	42 0.3×	131 0.9×	35	571
A. Sequeira India	21	619 2.0×	213 0.8×	145 0.9×	148 1.0×	151 1.0×	87	1.2k
B. Alefeld Germany	21	491 1.6×	534 2.0×	48 0.3×	61 0.4×	278 1.9×	56	1.1k
Alfred Büchler United States	17	401 1.3×	395 1.5×	360 2.2×	68 0.5×	154 1.1×	26	885
C. R. Fischer United States	14	210 0.7×	349 1.3×	35 0.2×	93 0.6×	114 0.8×	28	687
G. D. Zeiss Canada	12	159 0.5×	847 3.2×	119 0.7×	241 1.7×	309 2.1×	21	1.3k

Countries citing papers authored by J.U. Koppel

Since Specialization

Citations

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

Fields of papers citing papers by J.U. Koppel

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by J.U. Koppel. 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 J.U. Koppel. The network helps show where J.U. Koppel may publish in the future.

Co-authorship network of co-authors of J.U. Koppel

This figure shows the co-authorship network connecting the top 25 collaborators of J.U. Koppel. A scholar is included among the top collaborators of J.U. Koppel 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 J.U. Koppel. J.U. Koppel is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

18 of 18 papers shown

1.

Koppel, J.U.. (1971). Photoionization Cross Sections for the Ground State Configuration of Atomic Nitrogen and Oxygen. The Journal of Chemical Physics. 55(1). 123–132. 15 indexed citations

2.

Koppel, J.U., et al.. (1970). Crystal-Binding Effects on Doppler Broadening of Neutron Absorption Resonances. Physical Review C. 1(6). 2054–2059. 8 indexed citations

3.

Koppel, J.U.. (1969). Hydrogen Bonding in Solids. Nuclear Science and Engineering. 35(3). 410–411. 423 indexed citations breakdown →

4.

Koppel, J.U., et al.. (1969). Slow-Neutron Scattering by Diphenyl. Nuclear Science and Engineering. 35(1). 80–87. 2 indexed citations

5.

Koppel, J.U. & A. A. Maradudin. (1967). Phonon dispersion relations for beryllium metal. Physics Letters A. 24(5). 244–245. 9 indexed citations

6.

Koppel, J.U. & James A. Young. (1965). Neutron Scattering by Polyethylene. Nuclear Science and Engineering. 21(2). 268–270. 3 indexed citations

7.

Koppel, J.U. & Jennifer A. Young. (1965). THE ROLE OF INTERFERENCE SCATTERING IN NEUTRON THERMALIZATION BY HEAVY WATER. 1 indexed citations

8.

Young, James A. & J.U. Koppel. (1965). Phonon Spectrum of Graphite. The Journal of Chemical Physics. 42(1). 357–364. 90 indexed citations

9.

Young, James A. & J.U. Koppel. (1965). Coherent inelastic scattering from polycrystalline beryllium. Physics Letters. 16(3). 235–237. 2 indexed citations

10.

Young, James A. & J.U. Koppel. (1964). Slow Neutron Scattering by Molecular Hydrogen and Deuterium. Physical Review. 135(3A). A603–A611. 164 indexed citations

11.

Koppel, J.U., et al.. (1964). HEXSCAT--COHERENT ELASTIC SCATTERING OF NEUTRONS BY HEXAGONAL LATTICES. OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information). 4 indexed citations

12.

Young, James A. & J.U. Koppel. (1964). Scattering Kernel for Beryllium. Nuclear Science and Engineering. 19(3). 367–373. 11 indexed citations

13.

Young, James A. & J.U. Koppel. (1964). Lattice Vibrational Spectra of Beryllium, Magnesium, and Zinc. Physical Review. 134(6A). A1476–A1479. 29 indexed citations

14.

Koppel, J.U. & James A. Young. (1964). Neutron Scattering by Water Taking into Account the Anisotropy of the Molecular Vibrations. Nuclear Science and Engineering. 19(4). 412–417. 8 indexed citations

15.

Koppel, J.U.. (1963). A Method of Solving the Time Dependent Neutron Thermalization Problem. Nuclear Science and Engineering. 16(1). 101–110. 16 indexed citations

16.

Koppel, J.U.. (1962). Time Dependent, Space Independent Neutron Thermalization. Nuclear Science and Engineering. 12(4). 532–541. 2 indexed citations

17.

Koppel, J.U., et al.. (1962). Determination of Diffusion Hardening in Water. Nuclear Science and Engineering. 14(3). 224–229. 6 indexed citations

18.

Koppel, J.U.. (1960). Time-Dependent Neutron Spectra. Nuclear Science and Engineering. 8(2). 157–163. 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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