A L Stewart

4.0k total citations · 2 hit papers
81 papers, 3.1k citations indexed

About

A L Stewart is a scholar working on Atomic and Molecular Physics, and Optics, Computer Networks and Communications and Nuclear and High Energy Physics. According to data from OpenAlex, A L Stewart has authored 81 papers receiving a total of 3.1k indexed citations (citations by other indexed papers that have themselves been cited), including 52 papers in Atomic and Molecular Physics, and Optics, 13 papers in Computer Networks and Communications and 13 papers in Nuclear and High Energy Physics. Recurrent topics in A L Stewart's work include Atomic and Molecular Physics (46 papers), Advanced Chemical Physics Studies (33 papers) and Nuclear physics research studies (12 papers). A L Stewart is often cited by papers focused on Atomic and Molecular Physics (46 papers), Advanced Chemical Physics Studies (33 papers) and Nuclear physics research studies (12 papers). A L Stewart collaborates with scholars based in United Kingdom, Spain and United States. A L Stewart's co-authors include A. Dalgarno, D. R. Bates, H. S. W. Massey, M. Clint, R. H. Perrott, B L Moiseiwitsch, Ronald J. W. Henry, A. Dalgarno, M. R. Flannery and C. Laughlin and has published in prestigious journals such as Nature, The Journal of Chemical Physics and Communications of the ACM.

In The Last Decade

A L Stewart

78 papers receiving 2.7k citations

Hit Papers

align trajectories sort by overperformance

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.

Collision phenomena in ionized gases

1965 624 citations A L Stewart profile →
Wave functions of the hydrogen molecular ion

1953 617 citations D. R. Bates, A L Stewart et al. Philosophical Transactions of the Royal Society of London Series A Mathematical and Physical Sciences profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
A L Stewart United Kingdom	22	2.3k	660	393	231	224	81	3.1k
M. R. Flannery United States	30	2.1k 0.9×	794 1.2×	461 1.2×	120 0.5×	287 1.3×	155	2.6k
W. E. Baylis Canada	26	2.1k 0.9×	697 1.1×	229 0.6×	205 0.9×	322 1.4×	105	2.6k
G. Nienhuis Netherlands	33	3.6k 1.6×	599 0.9×	509 1.3×	95 0.4×	109 0.5×	206	4.1k
E. Gerjuoy United States	26	2.2k 1.0×	324 0.5×	259 0.7×	359 1.6×	344 1.5×	83	2.6k
Roger G. Newton United States	31	3.8k 1.7×	416 0.6×	384 1.0×	1.3k 5.4×	240 1.1×	123	6.1k
F. Biraben France	33	3.6k 1.6×	849 1.3×	532 1.4×	469 2.0×	165 0.7×	121	4.2k
A. Rau United States	37	4.1k 1.8×	644 1.0×	214 0.5×	472 2.0×	254 1.1×	154	4.9k
Larry Spruch United States	34	3.8k 1.7×	290 0.4×	289 0.7×	653 2.8×	536 2.4×	146	4.2k
Wesley E. Brittin United States	13	1.7k 0.7×	669 1.0×	161 0.4×	1.3k 5.8×	99 0.4×	36	3.6k
A. Ron Israel	31	1.3k 0.6×	230 0.3×	445 1.1×	156 0.7×	148 0.7×	143	2.8k

Countries citing papers authored by A L Stewart

Since Specialization

Citations

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

Fields of papers citing papers by A L Stewart

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by A L Stewart. 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 A L Stewart. The network helps show where A L Stewart may publish in the future.

Co-authorship network of co-authors of A L Stewart

This figure shows the co-authorship network connecting the top 25 collaborators of A L Stewart. A scholar is included among the top collaborators of A L Stewart 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 A L Stewart. A L Stewart 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:

20 of 20 papers shown

Stewart, A L. (1995). Reasoning About Data-Parallel Array Assignment. Journal of Parallel and Distributed Computing. 27(1). 79–85. 2 indexed citations

Stewart, A L. (1978). A calculation on the photoionisation of the 1s2s¹S metastable state of helium using perturbation theory. Journal of Physics B Atomic and Molecular Physics. 11(15). L431–L434. 7 indexed citations

Stewart, A L. (1978). A perturbation-variation study of photodetachment from H^-. Journal of Physics B Atomic and Molecular Physics. 11(22). 3851–3860. 39 indexed citations

Stewart, A L. (1969). Dipole polarizabilities of the 2 1,3S states in the helium isoelectronic sequence. Journal of Physics B Atomic and Molecular Physics. 2(12). 1309–1312. 9 indexed citations

Stewart, A L. (1966). The relativistic corrections to the eigenvalues of the 2^1,3S states of the helium sequence. Proceedings of the Physical Society. 88(2). 311–314. 4 indexed citations

Stewart, A L. (1963). Hyperfine Splitting of the Ground State of Lithium-like Ions. Proceedings of the Physical Society. 81(3). 436–438. 3 indexed citations

Perrin, Robert & A L Stewart. (1963). The Correlation Energies of Excited States of the Helium Sequence. Proceedings of the Physical Society. 81(1). 28–34. 14 indexed citations

Stewart, A L, et al.. (1963). Photo-ionization of Helium and Ionized Lithium. Proceedings of the Physical Society. 82(4). 532–536. 88 indexed citations

Stewart, A L. (1963). The properties of the helium atom and the two-electron systems. Advances In Physics. 12(47). 299–353. 41 indexed citations

10.

Dalgarno, A. & A L Stewart. (1960). The screening approximation for the helium sequence. Proceedings of the Royal Society of London A Mathematical and Physical Sciences. 257(1291). 534–540. 98 indexed citations

11.

Dalgarno, A., W D Davison, & A L Stewart. (1960). The quadrupole polarizabilities and nuclear shielding factors of the helium sequence. Proceedings of the Royal Society of London A Mathematical and Physical Sciences. 257(1288). 115–121. 15 indexed citations

12.

Dalgarno, A. & A L Stewart. (1958). A perturbation calculation of properties of the helium iso-electronic sequence. Proceedings of the Royal Society of London A Mathematical and Physical Sciences. 247(1249). 245–259. 177 indexed citations

13.

Dalgarno, A. & A L Stewart. (1957). A perturbation calculation of properties of the 2 pπ state of HeH2+. Proceedings of the Royal Society of London A Mathematical and Physical Sciences. 240(1221). 274–283. 20 indexed citations

14.

Dalgarno, A. & A L Stewart. (1956). On the perturbation theory of small disturbances. Proceedings of the Royal Society of London A Mathematical and Physical Sciences. 238(1213). 269–275. 127 indexed citations

15.

Dalgarno, A. & A L Stewart. (1956). A perturbation calculation of properties of the 1 s σ and 2 p σ states of HeH2+. Proceedings of the Royal Society of London A Mathematical and Physical Sciences. 238(1213). 276–285. 51 indexed citations

16.

Griffing, George W. & A L Stewart. (1954). The effect of the horizontal extent of Aurorae on the apparent luminosity-altitude curves. Journal of Atmospheric and Terrestrial Physics. 4(6). 339–341. 3 indexed citations

17.

Bates, D. R., et al.. (1954). Properties of the Hydrogen Molecular Ion IV: Oscillator Strengths of the Transitions Connecting the Lowest Even and Lowest Odd -States with Higher -States. Proceedings of the Physical Society Section A. 67(6). 533–539. 21 indexed citations

18.

Stewart, A L. (1954). The Photo-Ionization Cross Section of Lithium. Proceedings of the Physical Society Section A. 67(10). 917–921. 21 indexed citations

19.

Bates, D. R., H. S. W. Massey, & A L Stewart. (1953). Inelastic collisions between atoms I. General theoretical considerations. Proceedings of the Royal Society of London A Mathematical and Physical Sciences. 216(1127). 437–458. 149 indexed citations

20.

Bates, D. R., et al.. (1953). Wave functions of the hydrogen molecular ion. Philosophical Transactions of the Royal Society of London Series A Mathematical and Physical Sciences. 246(911). 215–240. 617 indexed citations breakdown →

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.

Explore authors with similar magnitude of impact