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Bulgaria 773 Scientists H-Index Natural Sciences Rankings - 2026

This real-time ranking measures researchers’ academic productivity and impact at global, continental, national, and institutional levels using total and recent 5-year H-index data. Comparative analysis is available across 13 main fields and 221 academic disciplines.

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Total 773 scientist, 1 country, 63 institution , Updates every 3 days
* Total H Index Rankings

Rankings

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995
World Rank
Bulgaria
1
Country Rank
Sofia University St Kliment Ohridski Logo
1
University
Ranking Based On Selection:
1
Venelin Kozhuharov
Sofia University St Kliment Ohridski Sofia, Bulgaria
Natural Sciences / Physics
Particle physic

H-Index Metrics

  • Total
    180
  • Last 5 Years
    77
  • Last 5 Years / Total
    0.428
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* Total H Index Rankings

Rankings

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3,076
World Rank
Bulgaria
2
Country Rank
Sofia University St Kliment Ohridski Logo
2
University
Ranking Based On Selection:
2
Peicho Petkov
Sofia University St Kliment Ohridski Sofia, Bulgaria
Natural Sciences / Physics
Particle Physics | High Performance Computing | Molecular Dynamics simulations | Antimicrobial Peptide

H-Index Metrics

  • Total
    135
  • Last 5 Years
    94
  • Last 5 Years / Total
    0.696
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* Total H Index Rankings

Rankings

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10,857
World Rank
Bulgaria
3
Country Rank
Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences Logo
1
University
Ranking Based On Selection:
3
Petar Temnikov
Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences Sofia, Bulgaria
Natural Sciences / Physics
High Energy Physics | Astroparticle Physics | Artificial Inteligenc

H-Index Metrics

  • Total
    98
  • Last 5 Years
    55
  • Last 5 Years / Total
    0.561
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* Total H Index Rankings

Rankings

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15,323
World Rank
Bulgaria
4
Country Rank
Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences Logo
2
University
Ranking Based On Selection:
4
Galina Maneva
Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences Sofia, Bulgaria
Natural Sciences / Physics
Nuclear Physics | Astrophysics | Artificial Intelligence | Electrodynamic

H-Index Metrics

  • Total
    89
  • Last 5 Years
    54
  • Last 5 Years / Total
    0.607
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* Total H Index Rankings

Rankings

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22,054
World Rank
Bulgaria
5
Country Rank
Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences Logo
3
University
Ranking Based On Selection:
5
Martin Makariev
Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences Sofia, Bulgaria
Natural Sciences / Physics
физика и астрофизка на елементарните частиц�

H-Index Metrics

  • Total
    80
  • Last 5 Years
    57
  • Last 5 Years / Total
    0.713
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* Total H Index Rankings

Rankings

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27,826
World Rank
Bulgaria
7
Country Rank
Sofia University St Kliment Ohridski Logo
3
University
Ranking Based On Selection:
6
Ivan Boyanov Ivanov
Sofia University St Kliment Ohridski Sofia, Bulgaria
Natural Sciences / Chemical Sciences
Physicochemical Hydrodynamics of Liquid Films | Thermodynamics of Thin Liquid Films | Emulsions and Emulsification | Foams and Foa

H-Index Metrics

  • Total
    75
  • Last 5 Years
    37
  • Last 5 Years / Total
    0.493
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* Total H Index Rankings

Rankings

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37,994
World Rank
Bulgaria
9
Country Rank
Sofia University St Kliment Ohridski Logo
5
University
Ranking Based On Selection:
7
Peter A. Kralchevsky
Sofia University St Kliment Ohridski Sofia, Bulgaria
Natural Sciences / Chemical Sciences
Colloid and Interface Science | Interfacial Phenomena | Thin Liquid Films | Molecular Self-assembly | Soft Matte

H-Index Metrics

  • Total
    68
  • Last 5 Years
    34
  • Last 5 Years / Total
    0.500
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* Total H Index Rankings

Rankings

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39,652
World Rank
Bulgaria
10
Country Rank
Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences Logo
1
University
Ranking Based On Selection:
8
K. Hadjiivanov
Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences Sofia, Bulgaria
Natural Sciences / Chemical Sciences
adsorption | catalysis | surface science | zeolites | titani

H-Index Metrics

  • Total
    67
  • Last 5 Years
    35
  • Last 5 Years / Total
    0.522
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* Total H Index Rankings

Rankings

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57,274
World Rank
Bulgaria
13
Country Rank
Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences Logo
1
University
Ranking Based On Selection:
9
Krassimir Atanassov
Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences Sofia, Bulgaria
Natural Sciences / Mathematical Sciences
Mathematical Modelling | Artificial Intelligence | Intuitionistic Fuzzy Sets | Generalized Nets | Number Theory Network Physiolog

H-Index Metrics

  • Total
    59
  • Last 5 Years
    36
  • Last 5 Years / Total
    0.610
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* Total H Index Rankings

Rankings

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60,934
World Rank
Bulgaria
14
Country Rank
Sofia University St Kliment Ohridski Logo
6
University
Ranking Based On Selection:
10
Krasimir Danov
Sofia University St Kliment Ohridski Sofia, Bulgaria
Natural Sciences / Chemical Sciences
thin liquid films | physicochemical thermodynamics and hydrodynamic

H-Index Metrics

  • Total
    58
  • Last 5 Years
    28
  • Last 5 Years / Total
    0.483
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* Total H Index Rankings

Rankings

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66,652
World Rank
Bulgaria
16
Country Rank
Sofia University St Kliment Ohridski Logo
8
University
Ranking Based On Selection:
11
Nikolay V. Vitanov
Sofia University St Kliment Ohridski Sofia, Bulgaria
Natural Sciences / Physics
quantum information | quantum computation | quantum technologies | quantum control | coherent contro

H-Index Metrics

  • Total
    56
  • Last 5 Years
    31
  • Last 5 Years / Total
    0.554
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* Total H Index Rankings

Rankings

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75,603
World Rank
Bulgaria
19
Country Rank
Institute of Mechanics, Bulgarian Academy of Sciences Logo
1
University
Ranking Based On Selection:
12
Nikolay K Vitanov
Institute of Mechanics, Bulgarian Academy of Sciences Sofia, Bulgaria
Natural Sciences / Mathematical Sciences
nonlinear PDEs | nonlinear time series analysis | nonlinear fluid dynamics | social dynamics | mathematical economic

H-Index Metrics

  • Total
    53
  • Last 5 Years
    41
  • Last 5 Years / Total
    0.774
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* Total H Index Rankings

Rankings

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78,249
World Rank
Bulgaria
21
Country Rank
Institute of Physical Chemistry Bulgarian Academy of Sciences Logo
1
University
Ranking Based On Selection:
13
Andrey Milchev
Institute of Physical Chemistry Bulgarian Academy of Sciences Sofia, Bulgaria
Natural Sciences / Physics
statistical physics | soft condensed matter | computer modelin

H-Index Metrics

  • Total
    53
  • Last 5 Years
    23
  • Last 5 Years / Total
    0.434
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* Total H Index Rankings

Rankings

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79,355
World Rank
Bulgaria
22
Country Rank
Sofia University St Kliment Ohridski Logo
9
University
Ranking Based On Selection:
14
Slavka Tcholakova
Sofia University St Kliment Ohridski Sofia, Bulgaria
Natural Sciences / Chemical Sciences
formation | stability and rheology of foams and emulsions | surfactants | digestion | porous material

H-Index Metrics

  • Total
    52
  • Last 5 Years
    41
  • Last 5 Years / Total
    0.788
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* Total H Index Rankings

Rankings

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85,303
World Rank
Bulgaria
23
Country Rank
Sofia University St Kliment Ohridski Logo
10
University
Ranking Based On Selection:
15
Dimitar Kolev
Sofia University St Kliment Ohridski Sofia, Bulgaria
Natural Sciences / Physics

H-Index Metrics

  • Total
    51
  • Last 5 Years
    31
  • Last 5 Years / Total
    0.608
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* Total H Index Rankings

Rankings

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87,845
World Rank
Bulgaria
24
Country Rank
Sofia University St Kliment Ohridski Logo
11
University
Ranking Based On Selection:
16
Stoytcho Yazadjiev
Sofia University St Kliment Ohridski Sofia, Bulgaria
Natural Sciences / Physics
Physics | General Relativity | Black Holes | Gravitational Wave

H-Index Metrics

  • Total
    50
  • Last 5 Years
    40
  • Last 5 Years / Total
    0.800
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* Total H Index Rankings

Rankings

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100,153
World Rank
Bulgaria
28
Country Rank
Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences Logo
2
University
Ranking Based On Selection:
17
Radostina Stoyanova
Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences Sofia, Bulgaria
Natural Sciences / Chemical Sciences
solid state chemistry | EPR spectroscopy | materials for energy storage | sodium/lithium ion batteries | intercalation chemistr

H-Index Metrics

  • Total
    48
  • Last 5 Years
    26
  • Last 5 Years / Total
    0.542
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* Total H Index Rankings

Rankings

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100,737
World Rank
Bulgaria
29
Country Rank
Space research and technology institute of BAS Logo
1
University
Ranking Based On Selection:
18
Dora Pancheva
Space research and technology institute of BAS Sofia, Bulgaria
Natural Sciences / Physics
aeronomy and space physic

H-Index Metrics

  • Total
    48
  • Last 5 Years
    23
  • Last 5 Years / Total
    0.479
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* Total H Index Rankings

Rankings

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108,729
World Rank
Bulgaria
32
Country Rank
Institute of Mineralogy and Crystallography, Bulgarian Academy of Sciences Logo
1
University
Ranking Based On Selection:
19
Stanislav V. Vassilev
Institute of Mineralogy and Crystallography, Bulgarian Academy of Sciences Sofia, Bulgaria
Natural Sciences / Chemical Sciences
Solid fuels and their product

H-Index Metrics

  • Total
    46
  • Last 5 Years
    34
  • Last 5 Years / Total
    0.739
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* Total H Index Rankings

Rankings

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124,292
World Rank
Bulgaria
35
Country Rank
Sofia University St Kliment Ohridski Logo
12
University
Ranking Based On Selection:
20
Ivo Grabchev
Sofia University St Kliment Ohridski Sofia, Bulgaria
Natural Sciences / Chemical Sciences
dendrimers | dyes | fluorescent dyes | sensors | antimicrobia

H-Index Metrics

  • Total
    44
  • Last 5 Years
    19
  • Last 5 Years / Total
    0.432
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* Total H Index Rankings

Rankings

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127,806
World Rank
Bulgaria
36
Country Rank
Institute of Physical Chemistry Bulgarian Academy of Sciences Logo
3
University
Ranking Based On Selection:
21
Ivan Krastev
Institute of Physical Chemistry Bulgarian Academy of Sciences Sofia, Bulgaria
Natural Sciences / Chemical Sciences
Electrochemistr

H-Index Metrics

  • Total
    43
  • Last 5 Years
    30
  • Last 5 Years / Total
    0.698
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* Total H Index Rankings

Rankings

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137,526
World Rank
Bulgaria
39
Country Rank
Institute of Catalysis Bulgarian Academy of Sciences Logo
1
University
Ranking Based On Selection:
22
Sonia Damyanova
Institute of Catalysis Bulgarian Academy of Sciences Sofia, Bulgaria
Natural Sciences / Chemical Sciences
quimica | engenharia quimica | materias | energi

H-Index Metrics

  • Total
    42
  • Last 5 Years
    23
  • Last 5 Years / Total
    0.548
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* Total H Index Rankings

Rankings

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138,398
World Rank
Bulgaria
41
Country Rank
Sofia University St Kliment Ohridski Logo
13
University
Ranking Based On Selection:
23
Valentin N. Popov
Sofia University St Kliment Ohridski Sofia, Bulgaria
Natural Sciences / Physics
condensed matter physics | graphene | carbon nanotubes | Raman spectroscop

H-Index Metrics

  • Total
    42
  • Last 5 Years
    18
  • Last 5 Years / Total
    0.429
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* Total H Index Rankings

Rankings

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141,134
World Rank
Bulgaria
42
Country Rank
Institute of Organic Chemistry Bulgarian Academy of Sciences Logo
2
University
Ranking Based On Selection:
24
Milena Popova
Institute of Organic Chemistry Bulgarian Academy of Sciences Sofia, Bulgaria
Natural Sciences / Chemical Sciences
chemistr

H-Index Metrics

  • Total
    41
  • Last 5 Years
    32
  • Last 5 Years / Total
    0.780
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* Total H Index Rankings

Rankings

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141,834
World Rank
Bulgaria
44
Country Rank
University of Food Technologies Plovdiv Logo
1
University
Ranking Based On Selection:
25
Albert Krastanov
University of Food Technologies Plovdiv Plovdiv, Bulgaria
Natural Sciences / Biological Science
Biotechnology | Enzymolog

H-Index Metrics

  • Total
    41
  • Last 5 Years
    30
  • Last 5 Years / Total
    0.732
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