Tomohiro Harada

7.9k total citations · 1 hit paper
162 papers, 3.6k citations indexed

About

Tomohiro Harada is a scholar working on Astronomy and Astrophysics, Nuclear and High Energy Physics and Statistical and Nonlinear Physics. According to data from OpenAlex, Tomohiro Harada has authored 162 papers receiving a total of 3.6k indexed citations (citations by other indexed papers that have themselves been cited), including 138 papers in Astronomy and Astrophysics, 111 papers in Nuclear and High Energy Physics and 29 papers in Statistical and Nonlinear Physics. Recurrent topics in Tomohiro Harada's work include Cosmology and Gravitation Theories (107 papers), Black Holes and Theoretical Physics (91 papers) and Pulsars and Gravitational Waves Research (45 papers). Tomohiro Harada is often cited by papers focused on Cosmology and Gravitation Theories (107 papers), Black Holes and Theoretical Physics (91 papers) and Pulsars and Gravitational Waves Research (45 papers). Tomohiro Harada collaborates with scholars based in Japan, United Kingdom and India. Tomohiro Harada's co-authors include Chul‐Moon Yoo, Kazunori Kohri, Ken-ichi Nakao, Masashi Kimura, Hideki Maeda, Naoki Tsukamoto, B. J. Carr, Hideo Iguchi, Hajime Sotani and Umpei Miyamoto and has published in prestigious journals such as Physical Review Letters, The Astrophysical Journal and Physics Letters B.

In The Last Decade

Tomohiro Harada

155 papers receiving 3.5k citations

Hit Papers

Threshold of primordial black hole formation 2013 2026 2017 2021 2013 50 100 150 200 250
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. Threshold of primordial black hole formation
    2013 283 citations Tomohiro Harada, Chul‐Moon Yoo et al. profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Tomohiro Harada Japan 30 3.2k 2.6k 444 365 206 162 3.6k
Øyvind Grøn Norway 17 1.5k 0.5× 912 0.4× 257 0.6× 231 0.6× 109 0.5× 110 1.7k
Zong‐Hong Zhu China 37 3.9k 1.2× 1.8k 0.7× 214 0.5× 163 0.4× 233 1.1× 183 4.1k
D. F. Torres Spain 33 3.8k 1.2× 2.7k 1.1× 269 0.6× 194 0.5× 177 0.9× 220 4.3k
Peter Anninos United States 26 2.0k 0.6× 1.0k 0.4× 238 0.5× 148 0.4× 42 0.2× 65 2.2k
Demosthenes Kazanas United States 29 3.0k 0.9× 2.0k 0.8× 180 0.4× 151 0.4× 215 1.0× 133 3.2k
Z. Tsvetanov United States 27 4.9k 1.5× 2.5k 1.0× 218 0.5× 130 0.4× 160 0.8× 78 4.9k
Samuel E. Gralla United States 27 1.9k 0.6× 1.9k 0.7× 193 0.4× 485 1.3× 43 0.2× 58 2.7k
Christian G. Böhmer United Kingdom 35 4.4k 1.4× 3.7k 1.4× 861 1.9× 279 0.8× 536 2.6× 78 4.7k
Niayesh Afshordi Canada 27 2.6k 0.8× 1.6k 0.6× 279 0.6× 150 0.4× 98 0.5× 98 2.8k
Steven Detweiler United States 29 3.7k 1.1× 2.3k 0.9× 515 1.2× 384 1.1× 135 0.7× 43 3.8k

Countries citing papers authored by Tomohiro Harada

Since Specialization
Citations

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

Fields of papers citing papers by Tomohiro Harada

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Tomohiro Harada. 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 Tomohiro Harada. The network helps show where Tomohiro Harada may publish in the future.

Co-authorship network of co-authors of Tomohiro Harada

This figure shows the co-authorship network connecting the top 25 collaborators of Tomohiro Harada. A scholar is included among the top collaborators of Tomohiro Harada 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 Tomohiro Harada. Tomohiro Harada 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.
Harada, Tomohiro, et al.. (2025). Spin of primordial black holes from broad power spectrum: radiation dominated universe. Journal of Cosmology and Astroparticle Physics. 2025(5). 10–10. 3 indexed citations
2.
Gong, Yungui, et al.. (2025). Primordial black hole formation and spin in matter domination revisited. Physical review. D. 112(10).
3.
Escrivà, Albert, et al.. (2025). Numerical simulation of type II primordial black hole formation. Journal of Cosmology and Astroparticle Physics. 2025(1). 3–3. 11 indexed citations
4.
Yoo, Chul‐Moon, Tomohiro Harada, Shin‐ichi Hirano, & Kazunori Kohri. (2024). Correction to: Abundance of primordial black holes in peak theory for an arbitrary power spectrum. Progress of Theoretical and Experimental Physics. 2024(4). 4 indexed citations
5.
Harada, Tomohiro, et al.. (2024). New series expansion for the periapsis shift. Classical and Quantum Gravity. 42(3). 35004–35004. 1 indexed citations
6.
Yoo, Chul‐Moon, Tomohiro Harada, Jaume Garriga, & Kazunori Kohri. (2024). Correction to: Primordial black hole abundance from random Gaussian curvature perturbations and a local density threshold. Progress of Theoretical and Experimental Physics. 2024(4). 4 indexed citations
7.
Harada, Tomohiro, et al.. (2024). Revisiting spins of primordial black holes in a matter-dominated era based on peak theory. Journal of Cosmology and Astroparticle Physics. 2024(11). 64–64. 3 indexed citations
8.
Bambhaniya, Parth, et al.. (2024). Relativistic orbits of S2 star in the presence of scalar field. The European Physical Journal C. 84(2). 12 indexed citations
9.
Igata, Takahisa, et al.. (2023). Periapsis shifts in dark matter distribution around a black hole. International Journal of Modern Physics D. 32(16). 11 indexed citations
10.
Harada, Tomohiro, et al.. (2023). General formulae for the periapsis shift of a quasi-circular orbit in static spherically symmetric spacetimes and the active gravitational mass density. International Journal of Modern Physics D. 32(15). 3 indexed citations
11.
12.
Harada, Tomohiro, et al.. (2023). Revisiting compaction functions for primordial black hole formation. Physical review. D. 108(4). 15 indexed citations
13.
Harada, Tomohiro, et al.. (2023). Hairy black holes in AdS with Robin boundary conditions. Journal of High Energy Physics. 2023(6). 4 indexed citations
14.
Saito, Fukuki, Noriko Y. Yamasaki, Mitsuru Itoh, et al.. (2023). Nitrogen gas scintillation counter for high-intensity heavy ion beams with negligible radiation damage. Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms. 540. 262–264.
15.
Harada, Tomohiro, Kazunori Kohri, Misao Sasaki, Takahiro Terada, & Chul‐Moon Yoo. (2023). Threshold of primordial black hole formation againstvelocity dispersion in matter-dominated era. Journal of Cosmology and Astroparticle Physics. 2023(2). 38–38. 19 indexed citations
16.
Yoo, Chul‐Moon, Tomohiro Harada, Shin‐ichi Hirano, H. Okawa, & Misao Sasaki. (2022). Primordial black hole formation from massless scalar isocurvature. Physical review. D. 105(10). 18 indexed citations
17.
Harada, Tomohiro, et al.. (2021). Stability of small charged anti-de Sitter black holes in the Robin boundary. Classical and Quantum Gravity. 38(13). 135026–135026. 6 indexed citations
18.
Harada, Tomohiro & Masashi Kimura. (2010). Collision of an ISCO particle around a Kerr black hole. arXiv (Cornell University). 2 indexed citations
19.
Harada, Tomohiro, Naoki Tsukamoto, & Umpei Miyamoto. (2009). Static spherically symmetric solutions in the IR limit of nonrelativistic quantum gravity. arXiv (Cornell University). 1 indexed citations
20.
Harada, Tomohiro, et al.. (2000). Naked singularities and quantum gravity - interpreting the quantum divergence in spherical collapse. arXiv (Cornell University). 3 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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