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University · Allahabad · India

Harish-Chandra Research Institute

In research, Harish-Chandra Research Institute stands highest in Physical Sciences (#2,366 of 10,670 worldwide) and Physics and Astronomy (#550 of 1,417 worldwide), 2022-now. Relative to its size it is most specialised in Nuclear and High Energy Physics, Mathematics and Atomic and Molecular Physics, and Optics (Nuclear and High Energy Physics is 32.0× its share of world research).

hri.res.inROR OpenAlex
World rank, 2022-now
#9,110
of 22,385 · #3,081 all time
Rank in India
#566
of 1,562
Research works
1.9k
▼ 10% vs 2018-21
Citations
47k
25.2 per fractional work
Top-10% rate
8.4%
all institutions 10.0%
vs its own fields
1.04×
1.00× is exactly expected
Open access
66%
world 40%
International
21%
world 18%
Harish-Chandra Research Institute

What is Harish-Chandra Research Institute known for in research?

The fields where it stands highest, 2022-now, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Physical SciencesDomain #2,366 of 10,670 7.8%233 #1519
Physics and AstronomyField #550 of 1,417 6.8%86 #382

Each strip is that field's whole ranked pool, with the notch where Harish-Chandra Research Institute sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no average mark, because the average differs by field (from about 6% in Dentistry to 21% in Economics).

Which fields of science does Harish-Chandra Research Institute work in?

In 2022-now, 95% of research at Harish-Chandra Research Institute is in Physical Sciences, 2% in Health Sciences. Its largest fields are Physics and Astronomy (34%), Mathematics (25%), Computer Science (13%). It does 2.4× the world's share of Physical Sciences.

Physical Sciences: 263 fractional works · 95.0% of its workPhysics and Astronomy: 95 fractional works · 34.4% of its workAtomic and Molecular Physics, and Optics: 37 fractional works · 13.3% of its workNuclear and High Energy Physics: 28 fractional works · 10.1% of its workAstronomy and Astrophysics: 15 fractional works · 5.4% of its workStatistical and Nonlinear Physics: 11 fractional works · 4.1% of its workCondensed Matter Physics: 4 fractional works · 1.5% of its workMathematics: 69 fractional works · 25.0% of its workGeometry and Topology: 20 fractional works · 7.1% of its workMathematical Physics: 15 fractional works · 5.3% of its workAlgebra and Number Theory: 14 fractional works · 5.0% of its workApplied Mathematics: 13 fractional works · 4.6% of its workDiscrete Mathematics and Combinatorics: 7 fractional works · 2.5% of its workNumerical Analysis: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workComputer Science: 36 fractional works · 13.0% of its workArtificial Intelligence: 30 fractional works · 10.9% of its workComputational Theory and Mathematics: 3 fractional works · 1.2% of its workInformation Systems: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.5% of its workMaterials Science: 25 fractional works · 9.2% of its workMaterials Chemistry: 19 fractional works · 7.0% of its workElectronic, Optical and Magnetic Materials: 5 fractional works · 1.9% of its workPolymers and Plastics: 1 fractional works · 0.3% of its workEngineering: 23 fractional works · 8.3% of its workElectrical and Electronic Engineering: 15 fractional works · 5.5% of its workBiomedical Engineering: 2 fractional works · 0.8% of its workComputational Mechanics: 2 fractional works · 0.6% of its workMechanics of Materials: 1 fractional works · 0.3% of its workCivil and Structural Engineering: 1 fractional works · 0.3% of its workMechanical Engineering: 1 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.5% of its workEnergy: 8 fractional works · 2.8% of its workRenewable Energy, Sustainability and the Environment: 8 fractional works · 2.8% of its workChemistry: 3 fractional works · 1.1% of its workInorganic Chemistry: 1 fractional works · 0.4% of its workElectrochemistry: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.3% of its workChemical Engineering: 2 fractional works · 0.5% of its workCatalysis: 1 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.1% of its workEnvironmental Science: 1 fractional works · 0.5% of its workEarth and Planetary Sciences: 1 fractional works · 0.3% of its workGeophysics: 1 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workHealth Sciences: 6 fractional works · 2.2% of its workMedicine: 6 fractional works · 2.1% of its workRheumatology: 1 fractional works · 0.5% of its workComplementary and alternative medicine: 1 fractional works · 0.2% of its workSmaller subfields together: 4 fractional works · 1.4% of its workDentistry: 0 fractional works · 0.0% of its workLife Sciences: 4 fractional works · 1.6% of its workBiochemistry, Genetics and Molecular Biology: 3 fractional works · 1.0% of its workMolecular Biology: 2 fractional works · 0.7% of its workGenetics: 1 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workAgricultural and Biological Sciences: 2 fractional works · 0.6% of its workPlant Science: 1 fractional works · 0.3% of its workSoil Science: 1 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workSocial Sciences: 3 fractional works · 1.2% of its workSocial Sciences: 1 fractional works · 0.5% of its workSociology and Political Science: 1 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.3% of its workEconomics, Econometrics and Finance: 1 fractional works · 0.4% of its workEconomics and Econometrics: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workPsychology: 0 fractional works · 0.1% of its workDecision Sciences: 0 fractional works · 0.1% of its workArts and Humanities: 0 fractional works · 0.1% of its workBusiness, Management and Accounting: 0 fractional works · 0.0% of its workALL ITS WORKHarish-ChandraResearch…276fractional works, 2022-now
Life Sciences2%Physical Sciences95%Health Sciences2%Social Sciences1%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in 2022-now. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 22 fields, with their numbers
    1. Physics and Astronomy9534.4%
    2. Mathematics6925.0%
    3. Computer Science3613.0%
    4. Materials Science259.2%
    5. Engineering238.3%
    6. Energy82.8%
    7. Chemistry31.1%
    8. Chemical Engineering20.5%
    9. Environmental Science10.5%
    10. Earth and Planetary Sciences10.3%
    1. Medicine62.1%
    2. Dentistry00.0%
    3. Health Professions00.0%
    1. Biochemistry, Genetics and Molecular Biology31.0%
    2. Agricultural and Biological Sciences20.6%
    3. Pharmacology, Toxicology and Pharmaceutics00.0%
    1. Social Sciences10.5%
    2. Economics, Econometrics and Finance10.4%
    3. Psychology00.1%
    4. Decision Sciences00.1%
    5. Arts and Humanities00.1%
    6. Business, Management and Accounting00.0%
All of science, and how each field's share has moved since 1950: the Science domain explorer

What does Harish-Chandra Research Institute specialise in?

Where its research is concentrated relative to its size: Nuclear and High Energy Physics takes 32.0× the share of its output that it takes of world research.

  1. Nuclear and High Energy PhysicsSubfield · 27.8 works32×
  2. MathematicsField · 69.1 works21×
  3. Atomic and Molecular Physics, and OpticsSubfield · 36.8 works19×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 0.13× its world share, 2 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.18× its world share, 3 worksBiochemistry, Geneti…Pharmacology, Toxicology and Pharmaceutics: 0.06× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 1.57× its world share, 2 worksChemical EngineeringChemistry: 0.67× its world share, 3 worksChemistryComputer Science: 1.67× its world share, 36 worksComputer ScienceEarth and Planetary Sciences: 0.21× its world share, 1 worksEarth and Planetary …Energy: 3.06× its world share, 8 worksEnergyEngineering: 0.55× its world share, 23 worksEngineeringEnvironmental Science: 0.10× its world share, 1 worksEnvironmental ScienceMaterials Science: 2.63× its world share, 25 worksMaterials ScienceMathematics: 21.23× its world share, 69 worksMathematicsPhysics and Astronomy: 15.46× its world share, 95 worksPhysics and AstronomyDentistry: 0.08× its world share, 0 worksDentistryHealth Professions: 0.01× its world share, 0 worksHealth ProfessionsMedicine: 0.11× its world share, 6 worksMedicineArts and Humanities: 0.02× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.01× its world share, 0 worksBusiness, Management…Decision Sciences: 0.08× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.19× its world share, 1 worksEconomics, Econometr…Psychology: 0.04× its world share, 0 worksPsychologySocial Sciences: 0.04× its world share, 1 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Mathematics, 21.2×. Every wedge is a field page.

All 22 fields, with their numbers
  1. Mathematics21.23×69 works
  2. Physics and Astronomy15.46×95 works
  3. Energy3.06×8 works
  4. Materials Science2.63×25 works
  5. Computer Science1.67×36 works
  6. Chemical Engineering1.57×2 works
  7. Chemistry0.67×3 works
  8. Engineering0.55×23 works
  9. Earth and Planetary Sciences0.21×1 works
  10. Economics, Econometrics and Finance0.19×1 works
  11. Biochemistry, Genetics and Molecular Biology0.18×3 works
  12. Agricultural and Biological Sciences0.13×2 works
  13. Medicine0.11×6 works
  14. Environmental Science0.10×1 works
  15. Dentistry0.08×0 works
  16. Decision Sciences0.08×0 works
  17. Pharmacology, Toxicology and Pharmaceutics0.06×0 works
  18. Psychology0.04×0 works
  19. Social Sciences0.04×1 works
  20. Arts and Humanities0.02×0 works
  21. Health Professions0.01×0 works
  22. Business, Management and Accounting0.01×0 works

Who are the top researchers at Harish-Chandra Research Institute?

Ranked on the quality score, Ashoke Sen, Rajesh Gopakumar and Arun Kumar Pati lead among researchers whose main affiliation is Harish-Chandra Research Institute.

  1. 1 Ashoke Sen India · #25,071 worldwide 26k citations · 350 works
  2. 2 Rajesh Gopakumar India · #51,498 worldwide 7.5k citations · 83 works
  3. 3 Arun Kumar Pati India · #202,715 worldwide 7.3k citations · 263 works
  4. 4 Sudip Chakraborty India · #343,340 worldwide 8.8k citations · 295 works
  5. 5 Uttam Singh India · #423,405 worldwide 2k citations · 26 works
  6. 6 Raj Gandhi India · #489,359 worldwide 5.1k citations · 141 works
  7. 7 Mehedi Masud India · #502,260 worldwide 2.1k citations · 63 works
  8. 8 Andreas Nyffeler India · #715,527 worldwide 3.6k citations · 60 works
  9. 9 Tisita Das India · #740,977 worldwide 1.4k citations · 49 works
  10. 10 Utkarsh Mishra India · #800,444 worldwide 487 citations · 38 works
All ranked researchers at Harish-Chandra Research Institute

What are the most cited papers from Harish-Chandra Research Institute?

The most cited paper from Harish-Chandra Research Institute is "Rolling Tachyon" (Ashoke Sen, 2002), with 1,225 citations. Next come "The muon g−2" (1,128) and "Tachyon Matter" (1,063).

Most cited papers
#PaperReleasedCitations
1 Rolling Tachyon Ashoke Sen · Journal of High Energy Physics Open access 25 Apr 2002 1,225
2 The muon g−2 Fred Jegerlehner, Andreas Nyffeler · Physics Reports Open access 19 May 2009 1,128
3 Tachyon Matter Ashoke Sen · Journal of High Energy Physics Open access 29 Jul 2002 1,063
4 Measuring Quantum Coherence with Entanglement Alexander Streltsov, Uttam Singh, Himadri Shekhar Dhar et al. · Physical Review Letters Open access 8 Jul 2015 928
5 Tachyon condensation on the brane antibrane system Ashoke Sen · Journal of High Energy Physics Open access 28 Aug 1998 719
All 56 most cited papers, with filters and sorting

Which keywords describe research at Harish-Chandra Research Institute?

By fractional works in 2022-now, weighted toward what it does more of than the world: Entanglement, Quantum Information, Cryptography, Dark Matter, Superconducting Circuits, Computation, Quantum and Particle Physics.

▲ more of its work than of the world's◆ about the world's share▼ less than the world's

Size is fractional works in 2022-now in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Entanglement35▲ 84×4 topics
  2. Quantum Information25▲ 78×3 topics
  3. Cryptography18▲ 54×3 topics
  4. Dark Matter17▲ 53×4 topics
  5. Superconducting Circuits17▲ 88×2 topics
  6. Computation16▲ 79×1 topic
  7. Quantum16▲ 72×1 topic
  8. Particle Physics16▲ 77×2 topics
  9. Modular Forms14▲ 135×3 topics
  10. Quantum Simulation13▲ 57×2 topics
  11. Bell Inequality12▲ 124×1 topic
  12. Decoherence12▲ 124×1 topic
  13. L-Functions12▲ 154×2 topics
  14. Representation Theory12▲ 137×2 topics
  15. Cosmology11▲ 59×3 topics
  16. General Relativity11▲ 58×2 topics
  17. Cohomology11▲ 96×2 topics
  18. Electronic Structure10▲ 20×8 topics
  19. Two-Dimensional Materials10▲ 15×4 topics
  20. Higgs Boson10▲ 70×1 topic
  21. High-Energy Collider10▲ 70×1 topic
  22. Quantum Algorithms10▲ 63×1 topic
  23. Quantum Computation10▲ 63×1 topic
  24. Symplectic Geometry10▲ 94×2 topics
  25. Stability8▲ 13×4 topics
  26. Cosmic Rays8▲ 57×2 topics
  27. Neutrinos8▲ 57×2 topics
  28. Number Theory8▲ 116×2 topics
  29. Renormalization Group8▲ 49×2 topics
  30. Efficiency8▲ 9.3×3 topics
  31. Dark Energy7▲ 41×2 topics
  32. Tropical Geometry7▲ 80×2 topics
  33. Electrocatalysis7▲ 8.8×4 topics
  34. Water Splitting7▲ 6.8×3 topics
  35. Galactic Center7▲ 54×2 topics
  36. Quantum Gravity7▲ 29×4 topics
  37. Gromov-Witten Theory7▲ 124×1 topic
  38. Moduli Theory7▲ 124×1 topic
  39. Supernovae7▲ 30×2 topics
  40. Topological Order7▲ 51×2 topics

Which research topics does Harish-Chandra Research Institute publish most on?

By volume in 2022-now: Quantum Information and Cryptography, Quantum Mechanics and Applications, Particle physics theoretical and experimental studies and Quantum Computing Algorithms and Architecture.

Quantum Information and Cryptography: 16 fractional worksQuantum Mechanics and Applications: 12 fractional worksParticle physics theoret…10Particle physics theoretical and experimental studies: 10 fractional worksQuantum Computing Algori…10Quantum Computing Algorithms and Architecture: 10 fractional worksAlgebraic Geometry and Number Theory: 7 fractional worksCosmology and Gravitation Theories: 6 fractional worksAlgebraic structures and…6Algebraic structures and combinatorial models: 6 fractional worksAdvanced Algebra and Geometry: 6 fractional works2D Materials and Applications: 6 fractional worksDark Matter and Cosmic P…6Dark Matter and Cosmic Phenomena: 6 fractional works
Artificial IntelligenceAtomic and Molecular Physics, and OpticsNuclear and High Energy PhysicsGeometry and Topology3 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Quantum Information and Cryptography Artificial Intelligence 16 works
  2. 2 Quantum Mechanics and Applications Atomic and Molecular Physics, and Optics 12 works
  3. 3 Particle physics theoretical and experimental studies Nuclear and High Energy Physics 10 works
  4. 4 Quantum Computing Algorithms and Architecture Artificial Intelligence 10 works
  5. 5 Algebraic Geometry and Number Theory Geometry and Topology 7 works
  6. 6 Cosmology and Gravitation Theories Astronomy and Astrophysics 6 works
  7. 7 Algebraic structures and combinatorial models Geometry and Topology 6 works
  8. 8 Advanced Algebra and Geometry Mathematical Physics 6 works
  9. 9 2D Materials and Applications Materials Chemistry 6 works
  10. 10 Dark Matter and Cosmic Phenomena Nuclear and High Energy Physics 6 works

How open and international is its research?

Against the world's own shares: the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available65.8%not open34.2%

World: 40% of research is openly available.

with international co-authors21.0%domestic only79.0%

World: 18% is written across borders.

How has Harish-Chandra Research Institute's research output changed?

Output in 2022-2025 was 10% lower than in 2018-2021.

still counting1990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Harish-Chandra Research Institute as a percentage of every work published that year, 0.0011% in 2024.

still counting0.0020%0.0040%Harish-Chandra Research Institute0.0013% in 202519801990200020102020

Fractional works of Harish-Chandra Research Institute over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year, against all institutions in the same year.

still counting10%20%30%all institutions10.0% in 2025Harish-Chandra Research Institute8.4% in 2025200020102020

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 22.4% in 1998.

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Harish-Chandra Research Institute on Science Explorer

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