I C Percival

10.4k total citations · 4 hit papers
136 papers, 7.5k citations indexed

About

I C Percival is a scholar working on Atomic and Molecular Physics, and Optics, Statistical and Nonlinear Physics and Artificial Intelligence. According to data from OpenAlex, I C Percival has authored 136 papers receiving a total of 7.5k indexed citations (citations by other indexed papers that have themselves been cited), including 86 papers in Atomic and Molecular Physics, and Optics, 63 papers in Statistical and Nonlinear Physics and 18 papers in Artificial Intelligence. Recurrent topics in I C Percival's work include Quantum chaos and dynamical systems (46 papers), Quantum Mechanics and Applications (36 papers) and Atomic and Molecular Physics (30 papers). I C Percival is often cited by papers focused on Quantum chaos and dynamical systems (46 papers), Quantum Mechanics and Applications (36 papers) and Atomic and Molecular Physics (30 papers). I C Percival collaborates with scholars based in United Kingdom, United States and Switzerland. I C Percival's co-authors include Nicolas Gisin, M. J. Seaton, Robert S. MacKay, James D. Meiss, J G Leopold, Marsha Berry, D Richards, Franco Vivaldi, N. Pomphrey and A. Dalgarno and has published in prestigious journals such as Nature, Physical Review Letters and Physics Today.

In The Last Decade

I C Percival

132 papers receiving 7.0k 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.

Classical theory of charge transfer and ionization of hydrogen atoms by protons

1966 564 citations I C Percival et al. Proceedings of the Physical Society profile →
Transport in Hamiltonian systems

1984 533 citations I C Percival et al. Physica D Nonlinear Phenomena profile →
The quantum-state diffusion model applied to open systems

1992 521 citations I C Percival et al. Journal of Physics A Mathematical and General profile →
The polarization of atomic line radiation excited by electron impact

1958 486 citations I C Percival, M. J. Seaton 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
I C Percival United Kingdom	40	5.1k	3.1k	1.2k	836	670	136	7.5k
Albert Messiah United States	17	8.7k 1.7×	2.5k 0.8×	1.1k 1.0×	1.3k 1.5×	1.6k 2.3×	34	12.1k
John R. Klauder United States	40	6.7k 1.3×	2.6k 0.8×	3.0k 2.5×	570 0.7×	1.2k 1.8×	210	9.6k
L. C. Biedenharn United States	45	4.5k 0.9×	2.2k 0.7×	585 0.5×	1.4k 1.7×	3.2k 4.8×	219	9.4k
R. Y. Chiao United States	49	8.4k 1.6×	2.1k 0.7×	2.1k 1.8×	298 0.4×	336 0.5×	156	9.6k
D. ter Haar United Kingdom	29	4.5k 0.9×	1.5k 0.5×	295 0.2×	317 0.4×	911 1.4×	173	7.1k
J. P. Gordon United States	48	10.0k 2.0×	2.9k 0.9×	747 0.6×	727 0.9×	248 0.4×	96	12.9k
Roger G. Newton United States	31	3.8k 0.7×	1.4k 0.4×	304 0.3×	416 0.5×	1.3k 1.9×	123	6.1k
Robert B. Griffiths United States	56	6.1k 1.2×	3.8k 1.2×	2.0k 1.7×	256 0.3×	427 0.6×	169	13.9k
F. Calogero Italy	37	3.1k 0.6×	5.2k 1.7×	203 0.2×	587 0.7×	932 1.4×	364	7.9k
Hans A. Weidenmüller Germany	41	4.4k 0.9×	3.4k 1.1×	216 0.2×	808 1.0×	3.4k 5.1×	164	7.4k

Countries citing papers authored by I C Percival

Since Specialization

Citations

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

Fields of papers citing papers by I C Percival

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by I C Percival. 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 I C Percival. The network helps show where I C Percival may publish in the future.

Co-authorship network of co-authors of I C Percival

This figure shows the co-authorship network connecting the top 25 collaborators of I C Percival. A scholar is included among the top collaborators of I C Percival 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 I C Percival. I C Percival 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

Percival, I C. (2001). Why do Bell experiments?. Physics Letters A. 279(3-4). 105–109. 4 indexed citations

Power, W. L. & I C Percival. (2000). Decoherence of quantum wave packets due to interaction with conformal space–time fluctuations. Proceedings of the Royal Society A Mathematical Physical and Engineering Sciences. 456(1996). 955–968. 28 indexed citations

Percival, I C. (1995). Quantum spacetime fluctuations and primary state diffusion. Proceedings of the Royal Society of London Series A Mathematical and Physical Sciences. 451(1942). 503–513. 50 indexed citations

Percival, I C. (1994). Primary state diffusion. Proceedings of the Royal Society of London Series A Mathematical and Physical Sciences. 447(1929). 189–209. 68 indexed citations

Spiller, Timothy P., B. M. Garraway, & I C Percival. (1993). Thermal equilibrium in the quantum state diffusion picture. Physics Letters A. 179(2). 63–66. 20 indexed citations

Bountis, Tassos, et al.. (1991). Non-integrable systems with algebraic singularities in complex time. Journal of Physics A Mathematical and General. 24(14). 3217–3236. 12 indexed citations

Percival, I C. (1990). Recent developments in classical mechanics. Philosophical Transactions of the Royal Society of London Series A Physical and Engineering Sciences. 332(1625). 221–221. 1 indexed citations

Percival, I C. (1987). Chaos in hamiltonian systems. Proceedings of the Royal Society of London A Mathematical and Physical Sciences. 413(1844). 131–143. 16 indexed citations

Leopold, J G, I C Percival, & David Richards. (1982). Classical and semiclassical theory for the exchange symmetry of identical particles. Journal of Physics A Mathematical and General. 15(3). 805–824. 15 indexed citations

10.

Greene, J. M. & I C Percival. (1981). Hamiltonian maps in the complex plane. Physica D Nonlinear Phenomena. 3(3). 530–548. 67 indexed citations

11.

Percival, I C. (1979). Stochastic metastability and Hamiltonian dynamics. Proceedings of the Royal Society of London A Mathematical and Physical Sciences. 366(1724). 129–141. 1 indexed citations

12.

Percival, I C. (1977). Planetary atoms. Proceedings of the Royal Society of London A Mathematical and Physical Sciences. 353(1673). 289–297. 53 indexed citations

13.

Dickinson, A S, T. G. Phillips, P. F. Goldsmith, I C Percival, & D Richards. (1976). Rotational Excitation of Molecules by Electrons in Interstellar Clouds.. Bulletin of the American Astronomical Society. 54(2). 500–647. 1 indexed citations

14.

Banks, D., I C Percival, & J.M. Wilson. (1972). Stirling FORDOC 01. A set of documentation conventions for FORTRAN packages and routines. Computer Physics Communications. 3(3). 180–196. 4 indexed citations

15.

Percival, I C, et al.. (1968). Bounds on transition probabilities and cross sections. Journal of Physics B Atomic and Molecular Physics. 1(4). 589–596. 5 indexed citations

16.

Percival, I C, et al.. (1967). Angular change of state and bounds on transition probabilities for two-state quantal systems. Proceedings of the Physical Society. 90(2). 315–322. 4 indexed citations

17.

Percival, I C. (1966). Cross sections for collisions of electrons with hydrogen atoms and hydrogen-like ions. Nuclear Fusion. 6(3). 182–187. 29 indexed citations

18.

Bernstein, Richard B., A. Dalgarno, H. S. W. Massey, & I C Percival. (1963). Thermal scattering of atoms by homonuclear diatomic molecules. Proceedings of the Royal Society of London A Mathematical and Physical Sciences. 274(1359). 427–442. 226 indexed citations

19.

Castillejo, L., I C Percival, & M. J. Seaton. (1960). On the theory of elastic collisions between electrons and hydrogen atoms. Proceedings of the Royal Society of London A Mathematical and Physical Sciences. 254(1277). 259–272. 130 indexed citations

20.

Percival, I C & M. J. Seaton. (1958). The polarization of atomic line radiation excited by electron impact. Philosophical Transactions of the Royal Society of London Series A Mathematical and Physical Sciences. 251(990). 113–138. 486 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.

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