Barry C. Walker

3.9k total citations · 2 hit papers
70 papers, 3.1k citations indexed

About

Barry C. Walker is a scholar working on Atomic and Molecular Physics, and Optics, Nuclear and High Energy Physics and Spectroscopy. According to data from OpenAlex, Barry C. Walker has authored 70 papers receiving a total of 3.1k indexed citations (citations by other indexed papers that have themselves been cited), including 62 papers in Atomic and Molecular Physics, and Optics, 35 papers in Nuclear and High Energy Physics and 20 papers in Spectroscopy. Recurrent topics in Barry C. Walker's work include Laser-Matter Interactions and Applications (58 papers), Laser-Plasma Interactions and Diagnostics (35 papers) and Mass Spectrometry Techniques and Applications (19 papers). Barry C. Walker is often cited by papers focused on Laser-Matter Interactions and Applications (58 papers), Laser-Plasma Interactions and Diagnostics (35 papers) and Mass Spectrometry Techniques and Applications (19 papers). Barry C. Walker collaborates with scholars based in United States, France and Spain. Barry C. Walker's co-authors include B. Sheehy, K. C. Kulander, Pierre Agostini, Louis F. DiMauro, Kenneth J. Schäfer, L. F. DiMauro, C. P. J. Barty, Ting Guo, Enam Chowdhury and Baorui Yang and has published in prestigious journals such as Nature, Proceedings of the National Academy of Sciences and Physical Review Letters.

In The Last Decade

Barry C. Walker

68 papers receiving 2.9k 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.

Precision Measurement of Strong Field Double Ionization of Helium

1994 804 citations Barry C. Walker, B. Sheehy et al. Physical Review Letters profile →
Intensity-dependent scattering rings in high order above-threshold ionization

1993 209 citations Baorui Yang, Kenneth J. Schäfer et al. Physical Review Letters profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Barry C. Walker United States	22	2.7k	1.1k	1.0k	374	293	70	3.1k
F. Krausz Germany	23	2.7k 1.0×	1.0k 0.9×	638 0.6×	394 1.1×	744 2.5×	32	3.1k
J. W. G. Tisch United Kingdom	34	3.4k 1.2×	1.3k 1.2×	841 0.8×	1.1k 2.9×	426 1.5×	100	3.7k
Douglass Schumacher United States	25	2.8k 1.0×	864 0.8×	976 0.9×	563 1.5×	236 0.8×	65	3.1k
H. Merdji France	28	2.6k 1.0×	1.1k 1.0×	684 0.7×	272 0.7×	534 1.8×	91	3.1k
T. S. Luk United States	19	2.5k 0.9×	866 0.8×	588 0.6×	567 1.5×	429 1.5×	44	2.7k
T. Auguste France	28	3.0k 1.1×	1.4k 1.3×	696 0.7×	686 1.8×	332 1.1×	90	3.1k
D. Fischer Germany	25	2.0k 0.7×	622 0.6×	869 0.8×	374 1.0×	113 0.4×	86	2.2k
Rodrigo López-Martens France	25	2.3k 0.8×	1.2k 1.1×	504 0.5×	374 1.0×	429 1.5×	112	2.5k
Artem Rudenko Germany	32	3.0k 1.1×	505 0.5×	1.6k 1.6×	254 0.7×	207 0.7×	90	3.3k
Andy Rundquist United States	16	2.1k 0.8×	899 0.8×	363 0.4×	318 0.9×	464 1.6×	36	2.4k

Countries citing papers authored by Barry C. Walker

Since Specialization

Citations

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

Fields of papers citing papers by Barry C. Walker

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Barry C. Walker

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

Walker, Barry C., et al.. (2023). Polarizability, Stark shifts, and field ionization of highly charged ions in ultraintense lasers. Physical review. A. 107(3). 3 indexed citations

Kelley, L. A., et al.. (2021). Inner shell excitation by strong field laser rescattering: optimal laser conditions for high energy recollision. Journal of the Optical Society of America B. 38(12). 3646–3646. 2 indexed citations

Kelley, L. A., et al.. (2021). Radiation for laser-driven rescattering near the ultimate high-energy cutoff: The single-atom response and bremsstrahlung limit. Physical review. A. 103(2). 2 indexed citations

Ekanayake, Nagitha, et al.. (2018). Molecular ionization of chloromethane in strong fields: nearest neighbor gateway to highly charged ions. Journal of Physics B Atomic Molecular and Optical Physics. 51(16). 165601–165601. 6 indexed citations

Klaiber, Michael, et al.. (2017). Limits of Strong Field Rescattering in the Relativistic Regime. Physical Review Letters. 118(9). 93001–93001. 21 indexed citations

Walker, Barry C., et al.. (2015). Elastic rescattering photoelectron distributions entering the relativistic regime. Chinese Optics Letters. 13(7). 70004–70008. 1 indexed citations

Ekanayake, Nagitha, et al.. (2013). Electron Shell Ionization of Atoms with Classical, Relativistic Scattering. Physical Review Letters. 110(20). 203003–203003. 18 indexed citations

Mitchell, R. E., Nagitha Ekanayake, Lauren E. Howard, et al.. (2010). Ionization of ethane, butane, and octane in strong laser fields. Physical Review A. 82(4). 9 indexed citations

Mitchell, R. E., et al.. (2008). Ionization of Methane in Strong and Ultrastrong Relativistic Fields. Physical Review Letters. 100(18). 183001–183001. 37 indexed citations

10.

Reagan, Brendan A., Tenio Popmintchev, M. Grisham, et al.. (2007). Enhanced high-order harmonic generation from Xe, Kr, and Ar in a capillary discharge. Physical Review A. 76(1). 20 indexed citations

11.

Gaudiosi, David M., Brendan A. Reagan, Tenio Popmintchev, et al.. (2006). High harmonic generation from ions in a capillary discharge. Bulletin of the American Physical Society. 37. 1 indexed citations

12.

Squier, Jeff, et al.. (2006). Fringe-free, background-free, collinear third-harmonic generation frequency-resolved optical gating measurements for multiphoton microscopy. Optics Letters. 31(22). 3366–3366. 14 indexed citations

13.

Chowdhury, Enam, et al.. (2003). Microoptic spatial mode conversion for terawatt class amplifiers. Conference on Lasers and Electro-Optics. 1 indexed citations

14.

Walker, Barry C., et al.. (2001). 009-terawatt pulses with a 31% efficient, kilohertz repetition-rate Ti:sapphire regenerative amplifier. Optics Letters. 26(7). 453–453. 23 indexed citations

15.

Walker, Barry C.. (1997). One- and Two- Electron Ionization of Atoms by a Strong Laser Field. 1 indexed citations

16.

Guo, Ting, Christoph Rose-Petruck, Ralph Jimenez, et al.. (1997). Picosecond-milliangstrom resolution dynamics by ultrafast x-ray diffraction. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 3157. 84–84. 24 indexed citations

17.

Walker, Barry C., et al.. (1996). Walkeret al.Reply:. Physical Review Letters. 77(1). 203–203. 1 indexed citations

18.

Walker, Barry C., B. Sheehy, K. C. Kulander, & Louis F. DiMauro. (1996). Elastic Rescattering in the Strong Field Tunneling Limit. Physical Review Letters. 77(25). 5031–5034. 113 indexed citations

19.

Yang, Baorui, et al.. (1994). Above-Threshold Ionization Beyond the High Harmonic Cutoff. ThA2–ThA2. 2 indexed citations

20.

Yang, Baorui, Kenneth J. Schäfer, Barry C. Walker, et al.. (1994). U_P, 3U_P, 11U_P: Above-Threshold Ionization Revisited. Acta Physica Polonica A. 86(1-2). 41–50. 5 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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