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Researcher · The University of Tokyo · Japan

Koji Arai

Koji Arai publishes mostly in Astronomy and Astrophysics, Atomic and Molecular Physics, and Optics and Oceanography, on topics such as Pulsars and Gravitational Waves Research, Gamma-ray bursts and supernovae and Geophysics and Gravity Measurements.

ORCID 0000-0001-8916-8915 OpenAlex
World rank
#9,381
of 7,710,434 ranked researchers
Rank in Japan
#35
of 383,136
Works
431
Citations
94k
Citations per work
218.2
h-index
106
i10-index 260Top 0.4% in Astronomy and Astrophysics
Koji Arai

What does Koji Arai research?

Koji Arai's work is mostly in Physics and Astronomy (70%), Earth and Planetary Sciences (10%), Engineering (6%).

Physical Sciences: 374 works · 86.8% of their workPhysics and Astronomy: 303 works · 70.2% of their workAstronomy and Astrophysics: 236 works · 54.7% of their workAtomic and Molecular Physics, and Optics: 39 works · 9.1% of their workNuclear and High Energy Physics: 28 works · 6.4% of their workEarth and Planetary Sciences: 45 works · 10.5% of their workOceanography: 28 works · 6.5% of their workGeophysics: 17 works · 4.0% of their workEngineering: 26 works · 6.1% of their workOcean Engineering: 26 works · 6.1% of their workEverything else: 57 works · 13.2% of their workTHEIR WORKKoji Arai431works
Physical Sciences87%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Physics and Astronomy30370.2%
    2. Earth and Planetary Sciences4510.5%
    3. Engineering266.1%
  2. Everything else5713.2%
  1. 1Astronomy and Astrophysics55% of their works
  2. 2Atomic and Molecular Physics, and Optics9% of their works
  3. 3Oceanography6% of their works
  4. 4Nuclear and High Energy Physics6% of their works
  5. 5Ocean Engineering6% of their works
  6. 6Geophysics4% of their works

Research topics

Which keywords describe Koji Arai's research?

The keywords of their largest research topics: Gravitational Waves, Binary Black Hole, Neutron Star, Supernovae, Gamma-Ray Bursts, Neutron Stars, GRACE and Sea Level Rise.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most. The words come from the keyword list OpenAlex gives each topic, not from the text of the papers, so a word can appear that none of the papers uses.

All 18 words, with their numbers
  1. Gravitational Waves4552 topics
  2. Binary Black Hole3211 topic
  3. Neutron Star3211 topic
  4. Supernovae2022 topics
  5. Gamma-Ray Bursts1341 topic
  6. Neutron Stars1341 topic
  7. GRACE781 topic
  8. Sea Level Rise781 topic
  9. Black Holes751 topic
  10. X-Ray Astronomy751 topic
  11. Ring Laser Gyroscope731 topic
  12. Rotational Seismology731 topic
  13. Cosmological Parameters681 topic
  14. Dark Energy681 topic
  15. Atomic Clocks481 topic
  16. Optical Clocks481 topic
  17. High-Energy Astrophysics281 topic
  18. Particle Acceleration281 topic

Where does Koji Arai work?

Koji Arai's main affiliation in the publication record is The University of Tokyo, Japan.

How many publications and citations does Koji Arai have?

OpenAlex counts 431 works and 94,053 citations for Koji Arai, an h-index of 106, ranking #9,381 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised citation excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Other researchers named Koji Arai

Papers, co-authors, who cited this work and researchers on the nearest topics have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

Discussion

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