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Researcher · Damghan University · Iran

Sudhaker Upadhyay

Sudhaker Upadhyay publishes mostly in Astronomy and Astrophysics, Nuclear and High Energy Physics and Statistical and Nonlinear Physics, on topics such as Black Holes and Theoretical Physics, Cosmology and Gravitation Theories and Noncommutative and Quantum Gravity Theories.

ORCID 0000-0002-3880-7315 OpenAlex
World rank
#501,682
of 7,710,434 ranked researchers
Rank in Iran
#2,342
of 71,317
Works
149
Citations
2.3k
Citations per work
15.7
h-index
29
i10-index 71Top 17% in Astronomy and Astrophysics
Sudhaker Upadhyay

What does Sudhaker Upadhyay research?

Sudhaker Upadhyay's work is mostly in Physics and Astronomy (94%), Mathematics (1%).

Physical Sciences: 142 works · 95.0% of their workPhysics and Astronomy: 140 works · 94.0% of their workAstronomy and Astrophysics: 60 works · 40.0% of their workNuclear and High Energy Physics: 47 works · 31.7% of their workStatistical and Nonlinear Physics: 24 works · 16.2% of their workAtomic and Molecular Physics, and Optics: 7 works · 4.6% of their workCondensed Matter Physics: 2 works · 1.5% of their workMathematics: 1 works · 1.0% of their workNumerical Analysis: 1 works · 1.0% of their workEverything else: 7 works · 5.0% of their workTHEIR WORKSudhaker Upadhyay149works
Physical Sciences95%

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 Astronomy14094.0%
    2. Mathematics11.0%
  2. Everything else75.0%
  1. 1Astronomy and Astrophysics40% of their works
  2. 2Nuclear and High Energy Physics32% of their works
  3. 3Statistical and Nonlinear Physics16% of their works
  4. 4Atomic and Molecular Physics, and Optics5% of their works
  5. 5Condensed Matter Physics2% of their works
  6. 6Numerical Analysis1% of their works

Research topics

Which keywords describe Sudhaker Upadhyay's research?

The keywords of their largest research topics: Black Holes, Quantum Gravity, Field Theories, Holographic, Cosmological Parameters, Dark Energy, Lorentz Violation and Noncommutative Field Theory.

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 19 words, with their numbers
  1. Black Holes1633 topics
  2. Quantum Gravity1632 topics
  3. Field Theories1101 topic
  4. Holographic1101 topic
  5. Cosmological Parameters961 topic
  6. Dark Energy961 topic
  7. Lorentz Violation531 topic
  8. Noncommutative Field Theory531 topic
  9. Accretion Disks311 topic
  10. X-Ray Astronomy311 topic
  11. Dark Matter302 topics
  12. Cosmology221 topic
  13. Galaxies221 topic
  14. Casimir Effect121 topic
  15. Quantum Vacuum121 topic
  16. QCD91 topic
  17. charmonium91 topic
  18. High-Energy Collider81 topic
  19. Particle Physics81 topic

Where does Sudhaker Upadhyay work?

Sudhaker Upadhyay's main affiliation in the publication record is Damghan University, Iran.

How many publications and citations does Sudhaker Upadhyay have?

OpenAlex counts 149 works and 2,340 citations for Sudhaker Upadhyay, an h-index of 29, ranking #501,682 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.

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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