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World Scientist and University Rankings 2026

CEA (Commissariat à l\'Energie Atomique et aux Energies Alternatives) Natural Sciences 349 Scientists Subject Rankings

The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 211 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 5 yearsAs of Dec 30, 2025, the rankings are determined according to the Total H IndexBETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (1.131.699) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].

* Total H Index Rankings

Rankings

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20
World Rank
2
Country Rank
1
University
Ranking Based On Selection:
1
Natural Sciences / Physics
fundamental constituents | field theorie

H-Index Metrics

  • H-Index
    311
  • i10 Index
    2,088
  • Citation Counts
    484,920
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* Total H Index Rankings

Rankings

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2,821
World Rank
55
Country Rank
3
University
Ranking Based On Selection:
2
Natural Sciences / Physics
Cosmology (CMB | weak-lensing | large scale structure) | Statistics | Image Processin

H-Index Metrics

  • H-Index
    141
  • i10 Index
    450
  • Citation Counts
    137,775
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* Total H Index Rankings

Rankings

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4,227
World Rank
79
Country Rank
5
University
Ranking Based On Selection:
3
Natural Sciences / Physics
Observational extragalactic astronom

H-Index Metrics

  • H-Index
    127
  • i10 Index
    339
  • Citation Counts
    64,390
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* Total H Index Rankings

Rankings

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17,025
World Rank
333
Country Rank
10
University
Ranking Based On Selection:
4
Natural Sciences / Physics
dark matter | gamma-ray astronomy | high-energy astrophysic

H-Index Metrics

  • H-Index
    88
  • i10 Index
    270
  • Citation Counts
    35,232
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* Total H Index Rankings

Rankings

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17,868
World Rank
350
Country Rank
11
University
Ranking Based On Selection:
5
Natural Sciences / Molecular Biology & Genetics
DNA Damage | Photobiology | Toxicology | genotoxicit

H-Index Metrics

  • H-Index
    87
  • i10 Index
    258
  • Citation Counts
    30,234
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* Total H Index Rankings

Rankings

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18,969
World Rank
379
Country Rank
12
University
Ranking Based On Selection:
6
* Total H Index Rankings

Rankings

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19,120
World Rank
381
Country Rank
13
University
Ranking Based On Selection:
7
Natural Sciences / Physics
astrophysique | physique des fluides | simulations numérique

H-Index Metrics

  • H-Index
    85
  • i10 Index
    212
  • Citation Counts
    23,262
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* Total H Index Rankings

Rankings

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21,254
World Rank
424
Country Rank
14
University
Ranking Based On Selection:
8
* Total H Index Rankings

Rankings

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23,808
World Rank
496
Country Rank
16
University
Ranking Based On Selection:
9
* Total H Index Rankings

Rankings

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25,485
World Rank
532
Country Rank
17
University
Ranking Based On Selection:
10
Natural Sciences / Physics
multi-messenger astroparticle physic

H-Index Metrics

  • H-Index
    78
  • i10 Index
    264
  • Citation Counts
    31,965
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* Total H Index Rankings

Rankings

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26,552
World Rank
558
Country Rank
18
University
Ranking Based On Selection:
11
Natural Sciences / Physics
computational materials science | condensed matter physics | thermoelectric

H-Index Metrics

  • H-Index
    77
  • i10 Index
    143
  • Citation Counts
    30,233
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* Total H Index Rankings

Rankings

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26,615
World Rank
559
Country Rank
19
University
Ranking Based On Selection:
12
Natural Sciences / Physics
Statistical Physics | Condensed Matter | Complex System

H-Index Metrics

  • H-Index
    77
  • i10 Index
    204
  • Citation Counts
    23,919
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* Total H Index Rankings

Rankings

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28,369
World Rank
616
Country Rank
21
University
Ranking Based On Selection:
13
* Total H Index Rankings

Rankings

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31,001
World Rank
679
Country Rank
23
University
Ranking Based On Selection:
14
* Total H Index Rankings

Rankings

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36,609
World Rank
809
Country Rank
27
University
Ranking Based On Selection:
15
Natural Sciences / Physics
neutrinos gamma-rays GRB Gallex Antares Nomad CT

H-Index Metrics

  • H-Index
    70
  • i10 Index
    158
  • Citation Counts
    21,252
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* Total H Index Rankings

Rankings

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36,637
World Rank
810
Country Rank
28
University
Ranking Based On Selection:
16
Natural Sciences / Physics
Plasma physics | Tokamak | fusion magnetiqu

H-Index Metrics

  • H-Index
    70
  • i10 Index
    250
  • Citation Counts
    15,689
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* Total H Index Rankings

Rankings

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42,284
World Rank
972
Country Rank
29
University
Ranking Based On Selection:
17
Natural Sciences / Physics
path integrals | renormalization group | quantum field | random matrices | summation method

H-Index Metrics

  • H-Index
    67
  • i10 Index
    125
  • Citation Counts
    32,721
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* Total H Index Rankings

Rankings

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55,499
World Rank
1,318
Country Rank
37
University
Ranking Based On Selection:
18
* Total H Index Rankings

Rankings

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57,021
World Rank
1,366
Country Rank
41
University
Ranking Based On Selection:
19
Natural Sciences / Physics
Theoretical cosmology | gravitational physic

H-Index Metrics

  • H-Index
    60
  • i10 Index
    94
  • Citation Counts
    15,548
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* Total H Index Rankings

Rankings

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57,248
World Rank
1,371
Country Rank
42
University
Ranking Based On Selection:
20
* Total H Index Rankings

Rankings

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58,100
World Rank
1,400
Country Rank
43
University
Ranking Based On Selection:
21
Natural Sciences / Physics
string theory | black holes | quantum gravit

H-Index Metrics

  • H-Index
    60
  • i10 Index
    117
  • Citation Counts
    10,885
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* Total H Index Rankings

Rankings

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59,022
World Rank
1,428
Country Rank
45
University
Ranking Based On Selection:
22
* Total H Index Rankings

Rankings

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60,220
World Rank
1,447
Country Rank
46
University
Ranking Based On Selection:
23
Natural Sciences / Physics
Interstellar medium | dust | methods | galaxie

H-Index Metrics

  • H-Index
    59
  • i10 Index
    111
  • Citation Counts
    13,550
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* Total H Index Rankings

Rankings

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62,034
World Rank
1,493
Country Rank
47
University
Ranking Based On Selection:
24
* Total H Index Rankings

Rankings

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62,335
World Rank
1,503
Country Rank
48
University
Ranking Based On Selection:
25
Natural Sciences / Physics
cosmology | weak gravitational lensing | statistical inferenc

H-Index Metrics

  • H-Index
    58
  • i10 Index
    137
  • Citation Counts
    15,879
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