Samuel E. Gralla

4.0k total citations · 2 hit papers
58 papers, 2.7k citations indexed

About

Samuel E. Gralla is a scholar working on Astronomy and Astrophysics, Nuclear and High Energy Physics and Geophysics. According to data from OpenAlex, Samuel E. Gralla has authored 58 papers receiving a total of 2.7k indexed citations (citations by other indexed papers that have themselves been cited), including 47 papers in Astronomy and Astrophysics, 37 papers in Nuclear and High Energy Physics and 7 papers in Geophysics. Recurrent topics in Samuel E. Gralla's work include Pulsars and Gravitational Waves Research (37 papers), Astrophysical Phenomena and Observations (32 papers) and Astrophysics and Cosmic Phenomena (13 papers). Samuel E. Gralla is often cited by papers focused on Pulsars and Gravitational Waves Research (37 papers), Astrophysical Phenomena and Observations (32 papers) and Astrophysics and Cosmic Phenomena (13 papers). Samuel E. Gralla collaborates with scholars based in United States, Canada and Germany. Samuel E. Gralla's co-authors include Alexandru Lupsasca, Robert M. Wald, D. E. Holz, Ted Jacobson, K. D. Hildenbrand, Alberto Gobbi, W. F. J. Müller, Daniel P. Marrone, J. Kuźmiński and Ernst H. K. Stelzer and has published in prestigious journals such as Physical Review Letters, The Astrophysical Journal and Monthly Notices of the Royal Astronomical Society.

In The Last Decade

Samuel E. Gralla

56 papers receiving 2.6k citations

Hit Papers

Black hole shadows, photon rings, and lensing rings 2019 2026 2021 2023 2019 2020 100 200 300 400
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.

  1. Black hole shadows, photon rings, and lensing rings
    2019 413 citations Samuel E. Gralla, Robert M. Wald et al. Physical review. D profile →
  2. The shape of the black hole photon ring: A precise test of strong-field general relativity
    2020 150 citations Samuel E. Gralla, Alexandru Lupsasca et al. Physical review. D profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Samuel E. Gralla United States 27 1.9k 1.9k 485 193 177 58 2.7k
Kazuhiro Oyamatsu Japan 23 1.6k 0.8× 1.3k 0.7× 342 0.7× 36 0.2× 188 1.1× 62 2.2k
George Chapline United States 20 1.1k 0.6× 1.4k 0.7× 378 0.8× 392 2.0× 110 0.6× 107 2.1k
H. G. Ritter Germany 29 1.8k 0.9× 1.7k 0.9× 224 0.5× 56 0.3× 246 1.4× 119 3.2k
Omar Benhar Italy 28 511 0.3× 2.4k 1.3× 782 1.6× 45 0.2× 82 0.5× 139 2.7k
B. Kämpfer Germany 28 717 0.4× 2.6k 1.4× 921 1.9× 108 0.6× 151 0.9× 146 3.0k
J. N. De India 22 408 0.2× 1.6k 0.8× 633 1.3× 128 0.7× 275 1.6× 107 1.8k
G. Vedovato Italy 19 822 0.4× 366 0.2× 295 0.6× 183 0.9× 43 0.2× 75 1.2k
A. Yu. Popov Russia 22 820 0.4× 1.4k 0.7× 457 0.9× 39 0.2× 32 0.2× 149 1.6k
D. D. Ryutov United States 23 846 0.4× 1.4k 0.8× 389 0.8× 64 0.3× 117 0.7× 108 1.9k
Javier A. García United States 33 4.0k 2.1× 1.5k 0.8× 439 0.9× 38 0.2× 230 1.3× 172 4.3k

Countries citing papers authored by Samuel E. Gralla

Since Specialization
Citations

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

Fields of papers citing papers by Samuel E. Gralla

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Samuel E. Gralla. 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 Samuel E. Gralla. The network helps show where Samuel E. Gralla may publish in the future.

Co-authorship network of co-authors of Samuel E. Gralla

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

All Works

20 of 20 papers shown
1.
Gralla, Samuel E., et al.. (2025). Frames and slicings for angular momentum in post-Minkowski scattering. Physical review. D. 111(4).
2.
Gralla, Samuel E., et al.. (2024). Decoherence from horizons: General formulation and rotating black holes. Physical review. D. 109(6). 7 indexed citations
3.
Lupsasca, Alexandru, Alejandro Cárdenas-Avendaño, Daniel C. M. Palumbo, et al.. (2024). The Black Hole Explorer: photon ring science, detection, and shape measurement. arXiv (Cornell University). 194–194. 23 indexed citations
4.
Dalal, Neal, M.D. Galanis, Charles F. Gammie, Samuel E. Gralla, & Norman Murray. (2024). Probing H0 and resolving AGN disks with ultrafast photon counters. Physical review. D. 109(12). 4 indexed citations
5.
Gralla, Samuel E. & Ted Jacobson. (2024). Correction to: Spacetime approach to force-free magnetospheres. Monthly Notices of the Royal Astronomical Society. 534(2). 1541–1541.
6.
Compère, Geoffrey, et al.. (2023). An asymptotic framework for gravitational scattering. Classical and Quantum Gravity. 40(20). 205018–205018. 25 indexed citations
7.
Vincent, F., Samuel E. Gralla, Alexandru Lupsasca, & Maciek Wielgus. (2022). Images and photon ring signatures of thick disks around black holes. Astronomy and Astrophysics. 667. A170–A170. 52 indexed citations
8.
Gralla, Samuel E., et al.. (2022). Electromagnetic scoot. Physical review. D. 105(8). 10 indexed citations
9.
Gralla, Samuel E.. (2021). Can the EHT M87 results be used to test general relativity?. Physical review. D. 103(2). 80 indexed citations
10.
Gralla, Samuel E., et al.. (2021). How narrow is the M87* ring? I. The choice of closure likelihood function. arXiv (Cornell University). 16 indexed citations
11.
Gralla, Samuel E., Alexandru Lupsasca, & Daniel P. Marrone. (2020). The shape of the black hole photon ring: A precise test of strong-field general relativity. Physical review. D. 102(12). 150 indexed citations breakdown →
12.
Gralla, Samuel E. & Nabil Iqbal. (2019). Effective field theory of force-free electrodynamics. Physical review. D. 99(10). 10 indexed citations
13.
Compère, Geoffrey, Samuel E. Gralla, & Alexandru Lupsasca. (2016). Force-free foliations. Physical review. D. 94(12). 9 indexed citations
14.
Gralla, Samuel E., Alexandru Lupsasca, & María J. Rodríguez. (2015). Note on bunching of field lines in black hole magnetospheres. Physical review. D. Particles, fields, gravitation, and cosmology. 92(4). 9 indexed citations
15.
Gralla, Samuel E., et al.. (2013). Time-dependent, Non-Axisymmetric Exact Solutions to Force-Free Electrodynamics in Black Hole Backgrounds. arXiv (Cornell University). 1 indexed citations
16.
Gralla, Samuel E. & Alexandre Le Tiec. (2013). Thermodynamics of a black hole with moon. Physical review. D. Particles, fields, gravitation, and cosmology. 88(4). 10 indexed citations
17.
Gralla, Samuel E. & Robert M. Wald. (2011). A rigorous derivation of gravitational self-force. Classical and Quantum Gravity. 28(15). 159501–159501. 33 indexed citations
18.
Gralla, Samuel E., Abraham I. Harte, & Robert M. Wald. (2010). Bobbing and kicks in electromagnetism and gravity. Physical review. D. Particles, fields, gravitation, and cosmology. 81(10). 36 indexed citations
19.
Shen, W. Q., J. Albiński, Alberto Gobbi, et al.. (1987). Fission and quasifission in U-induced reactions. Physical Review C. 36(1). 115–142. 241 indexed citations
20.
Tõke, J., R. Bock, Alberto Gobbi, et al.. (1984). Compound nucleus fission and quasi-fission in reactions of 238U with 16O and 27Al. Physics Letters B. 142(4). 258–262. 38 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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