Sofia University "St. Kliment Ohridski"
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Publications
15 845
Citations
252 888
h-index
159
Top-3 journals
Journal of High Energy Physics
(632 publications)
Biotechnology and Biotechnological Equipment
(349 publications)
European Physical Journal C
(318 publications)
Top-3 organizations
National Institute for Nuclear Physics
(1146 publications)
Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences
(1066 publications)
European Organization for Nuclear Research
(1051 publications)
Top-3 foreign organizations
National Institute for Nuclear Physics
(1146 publications)
European Organization for Nuclear Research
(1051 publications)
National Laboratory of Frascati
(1017 publications)
Top-2 researchers by h-index
Most cited in 5 years
Found
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Since 1921
Total publications
15845
Total citations
252888
Citations per publication
15.96
Average publications per year
149.48
Average authors per publication
138.05
h-index
159
Metrics description
h-index
A scientist has an h-index if h of his N publications are cited at least h times each, while the remaining (N - h) publications are cited no more than h times each.
Top-30
Fields of science
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200
400
600
800
1000
1200
1400
1600
1800
2000
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Condensed Matter Physics
|
Condensed Matter Physics, 1889, 11.92%
Condensed Matter Physics
1889 publications, 11.92%
|
|
General Physics and Astronomy
|
General Physics and Astronomy, 1151, 7.26%
General Physics and Astronomy
1151 publications, 7.26%
|
|
Physical and Theoretical Chemistry
|
Physical and Theoretical Chemistry, 1105, 6.97%
Physical and Theoretical Chemistry
1105 publications, 6.97%
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Electronic, Optical and Magnetic Materials
|
Electronic, Optical and Magnetic Materials, 1055, 6.66%
Electronic, Optical and Magnetic Materials
1055 publications, 6.66%
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Nuclear and High Energy Physics
|
Nuclear and High Energy Physics, 984, 6.21%
Nuclear and High Energy Physics
984 publications, 6.21%
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|
General Medicine
|
General Medicine, 959, 6.05%
General Medicine
959 publications, 6.05%
|
|
General Chemistry
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General Chemistry, 945, 5.96%
General Chemistry
945 publications, 5.96%
|
|
Materials Chemistry
|
Materials Chemistry, 890, 5.62%
Materials Chemistry
890 publications, 5.62%
|
|
General Materials Science
|
General Materials Science, 852, 5.38%
General Materials Science
852 publications, 5.38%
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Atomic and Molecular Physics, and Optics
|
Atomic and Molecular Physics, and Optics, 830, 5.24%
Atomic and Molecular Physics, and Optics
830 publications, 5.24%
|
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Organic Chemistry
|
Organic Chemistry, 708, 4.47%
Organic Chemistry
708 publications, 4.47%
|
|
Analytical Chemistry
|
Analytical Chemistry, 670, 4.23%
Analytical Chemistry
670 publications, 4.23%
|
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Spectroscopy
|
Spectroscopy, 590, 3.72%
Spectroscopy
590 publications, 3.72%
|
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Biochemistry
|
Biochemistry, 577, 3.64%
Biochemistry
577 publications, 3.64%
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Biotechnology
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Biotechnology, 533, 3.36%
Biotechnology
533 publications, 3.36%
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Colloid and Surface Chemistry
|
Colloid and Surface Chemistry, 523, 3.3%
Colloid and Surface Chemistry
523 publications, 3.3%
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Surfaces, Coatings and Films
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Surfaces, Coatings and Films, 519, 3.28%
Surfaces, Coatings and Films
519 publications, 3.28%
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Electrical and Electronic Engineering
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Electrical and Electronic Engineering, 441, 2.78%
Electrical and Electronic Engineering
441 publications, 2.78%
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Inorganic Chemistry
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Inorganic Chemistry, 433, 2.73%
Inorganic Chemistry
433 publications, 2.73%
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Instrumentation
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Instrumentation, 432, 2.73%
Instrumentation
432 publications, 2.73%
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Physics and Astronomy (miscellaneous)
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Physics and Astronomy (miscellaneous), 410, 2.59%
Physics and Astronomy (miscellaneous)
410 publications, 2.59%
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Applied Mathematics
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Applied Mathematics, 378, 2.39%
Applied Mathematics
378 publications, 2.39%
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Polymers and Plastics
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Polymers and Plastics, 370, 2.34%
Polymers and Plastics
370 publications, 2.34%
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Surfaces and Interfaces
|
Surfaces and Interfaces, 357, 2.25%
Surfaces and Interfaces
357 publications, 2.25%
|
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General Chemical Engineering
|
General Chemical Engineering, 349, 2.2%
General Chemical Engineering
349 publications, 2.2%
|
|
General Mathematics
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General Mathematics, 316, 1.99%
General Mathematics
316 publications, 1.99%
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General Engineering
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General Engineering, 307, 1.94%
General Engineering
307 publications, 1.94%
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Mechanical Engineering
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Mechanical Engineering, 295, 1.86%
Mechanical Engineering
295 publications, 1.86%
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Engineering (miscellaneous)
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Engineering (miscellaneous), 291, 1.84%
Engineering (miscellaneous)
291 publications, 1.84%
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Mechanics of Materials
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Mechanics of Materials, 289, 1.82%
Mechanics of Materials
289 publications, 1.82%
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200
400
600
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1000
1200
1400
1600
1800
2000
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Journals
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100
200
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400
500
600
700
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Journal of High Energy Physics
632 publications, 3.99%
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Biotechnology and Biotechnological Equipment
349 publications, 2.2%
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European Physical Journal C
318 publications, 2.01%
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Journal of Physics: Conference Series
297 publications, 1.87%
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Lecture Notes in Computer Science
206 publications, 1.3%
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Colloids and Surfaces A: Physicochemical and Engineering Aspects
174 publications, 1.1%
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Physical Review D
171 publications, 1.08%
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Proceedings of SPIE - The International Society for Optical Engineering
166 publications, 1.05%
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Physical Review A
163 publications, 1.03%
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Physica Status Solidi (B): Basic Research
149 publications, 0.94%
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Physical Review B
147 publications, 0.93%
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Journal of Molecular Structure
129 publications, 0.81%
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Journal of Colloid and Interface Science
129 publications, 0.81%
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Molecules
112 publications, 0.71%
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Physical Review C
107 publications, 0.68%
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phys stat sol (a)
107 publications, 0.68%
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AIP Conference Proceedings
105 publications, 0.66%
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Optics Communications
98 publications, 0.62%
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Crystal Research and Technology
96 publications, 0.61%
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Physical Review Letters
92 publications, 0.58%
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Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
78 publications, 0.49%
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Colloid and Polymer Science
75 publications, 0.47%
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Journal of Applied Physics
74 publications, 0.47%
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International Journal of Molecular Sciences
73 publications, 0.46%
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Langmuir
73 publications, 0.46%
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Journal of Instrumentation
73 publications, 0.46%
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Physics Letters, Section A: General, Atomic and Solid State Physics
65 publications, 0.41%
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Journal of Physics Condensed Matter
65 publications, 0.41%
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Dyes and Pigments
65 publications, 0.41%
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Journal of Alloys and Compounds
64 publications, 0.4%
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100
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500
600
700
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Publishers
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Elsevier
3832 publications, 24.18%
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Springer Nature
3624 publications, 22.87%
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Wiley
1116 publications, 7.04%
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MDPI
1014 publications, 6.4%
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Taylor & Francis
948 publications, 5.98%
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IOP Publishing
855 publications, 5.4%
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American Physical Society (APS)
716 publications, 4.52%
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AIP Publishing
329 publications, 2.08%
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American Chemical Society (ACS)
308 publications, 1.94%
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Walter de Gruyter
304 publications, 1.92%
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Oxford University Press
209 publications, 1.32%
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SPIE-Intl Soc Optical Eng
168 publications, 1.06%
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Royal Society of Chemistry (RSC)
151 publications, 0.95%
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EDP Sciences
150 publications, 0.95%
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Cambridge University Press
143 publications, 0.9%
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Optica Publishing Group
138 publications, 0.87%
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Pensoft Publishers
135 publications, 0.85%
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SAGE
120 publications, 0.76%
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Pleiades Publishing
118 publications, 0.74%
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World Scientific
102 publications, 0.64%
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Institute of Electrical and Electronics Engineers (IEEE)
90 publications, 0.57%
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Hindawi Limited
60 publications, 0.38%
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Social Science Electronic Publishing
56 publications, 0.35%
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Frontiers Media S.A.
52 publications, 0.33%
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BMJ
36 publications, 0.23%
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Baishideng Publishing Group
34 publications, 0.21%
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American Mathematical Society
33 publications, 0.21%
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IGI Global
33 publications, 0.21%
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Copernicus
32 publications, 0.2%
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IOS Press
31 publications, 0.2%
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500
1000
1500
2000
2500
3000
3500
4000
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With other organizations
|
200
400
600
800
1000
1200
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National Institute for Nuclear Physics
1146 publications, 7.23%
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Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences
1066 publications, 6.73%
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European Organization for Nuclear Research
1051 publications, 6.63%
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National Laboratory of Frascati
1017 publications, 6.42%
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National and Kapodistrian University of Athens
1000 publications, 6.31%
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University of Pavia
981 publications, 6.19%
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University of Belgrade
959 publications, 6.05%
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Hamburg University
950 publications, 6%
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Institut National de Physique Nucléaire et de Physique des Particules
949 publications, 5.99%
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Ohio State University
937 publications, 5.91%
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Sapienza University of Rome
925 publications, 5.84%
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University of Bologna
909 publications, 5.74%
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Charles University
906 publications, 5.72%
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Universidad Autónoma de Madrid
888 publications, 5.6%
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University of Naples Federico II
885 publications, 5.59%
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University of Warsaw
872 publications, 5.5%
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Sungkyunkwan University
867 publications, 5.47%
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Benemérita Universidad Autónoma de Puebla
867 publications, 5.47%
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University of Strasbourg
858 publications, 5.41%
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Boğaziçi University
857 publications, 5.41%
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University of Colorado Boulder
857 publications, 5.41%
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Deutsches Elektronen-Synchrotron
856 publications, 5.4%
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Panjab University
855 publications, 5.4%
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University of Pisa
854 publications, 5.39%
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Boston University
853 publications, 5.38%
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Peking University
852 publications, 5.38%
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University of Iowa
848 publications, 5.35%
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University of Tennessee
847 publications, 5.35%
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University of Eastern Piedmont Amadeo Avogadro
840 publications, 5.3%
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Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional
839 publications, 5.3%
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|
200
400
600
800
1000
1200
|
With foreign organizations
|
200
400
600
800
1000
1200
|
|
|
National Institute for Nuclear Physics
1146 publications, 7.23%
|
|
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European Organization for Nuclear Research
1051 publications, 6.63%
|
|
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National Laboratory of Frascati
1017 publications, 6.42%
|
|
|
National and Kapodistrian University of Athens
1000 publications, 6.31%
|
|
|
University of Pavia
981 publications, 6.19%
|
|
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University of Belgrade
959 publications, 6.05%
|
|
|
Hamburg University
950 publications, 6%
|
|
|
Institut National de Physique Nucléaire et de Physique des Particules
949 publications, 5.99%
|
|
|
Ohio State University
937 publications, 5.91%
|
|
|
Sapienza University of Rome
925 publications, 5.84%
|
|
|
University of Bologna
909 publications, 5.74%
|
|
|
Charles University
906 publications, 5.72%
|
|
|
Universidad Autónoma de Madrid
888 publications, 5.6%
|
|
|
University of Naples Federico II
885 publications, 5.59%
|
|
|
University of Warsaw
872 publications, 5.5%
|
|
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Sungkyunkwan University
867 publications, 5.47%
|
|
|
Benemérita Universidad Autónoma de Puebla
867 publications, 5.47%
|
|
|
University of Strasbourg
858 publications, 5.41%
|
|
|
Boğaziçi University
857 publications, 5.41%
|
|
|
University of Colorado Boulder
857 publications, 5.41%
|
|
|
Deutsches Elektronen-Synchrotron
856 publications, 5.4%
|
|
|
Panjab University
855 publications, 5.4%
|
|
|
University of Pisa
854 publications, 5.39%
|
|
|
Boston University
853 publications, 5.38%
|
|
|
Peking University
852 publications, 5.38%
|
|
|
University of Iowa
848 publications, 5.35%
|
|
|
University of Tennessee
847 publications, 5.35%
|
|
|
University of Eastern Piedmont Amadeo Avogadro
840 publications, 5.3%
|
|
|
Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional
839 publications, 5.3%
|
|
|
Polytechnic University of Bari
838 publications, 5.29%
|
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200
400
600
800
1000
1200
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With other countries
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500
1000
1500
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2500
3000
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Germany
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Germany, 2814, 17.76%
Germany
2814 publications, 17.76%
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USA
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USA, 2114, 13.34%
USA
2114 publications, 13.34%
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France
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France, 1691, 10.67%
France
1691 publications, 10.67%
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United Kingdom
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United Kingdom, 1639, 10.34%
United Kingdom
1639 publications, 10.34%
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Italy
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Italy, 1555, 9.81%
Italy
1555 publications, 9.81%
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Spain
|
Spain, 1407, 8.88%
Spain
1407 publications, 8.88%
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Poland
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Poland, 1407, 8.88%
Poland
1407 publications, 8.88%
|
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Switzerland
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Switzerland, 1298, 8.19%
Switzerland
1298 publications, 8.19%
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Russia
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Russia, 1235, 7.79%
Russia
1235 publications, 7.79%
|
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China
|
China, 1161, 7.33%
China
1161 publications, 7.33%
|
|
Greece
|
Greece, 1157, 7.3%
Greece
1157 publications, 7.3%
|
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Austria
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Austria, 1123, 7.09%
Austria
1123 publications, 7.09%
|
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Belgium
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Belgium, 1115, 7.04%
Belgium
1115 publications, 7.04%
|
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Czech Republic
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Czech Republic, 1074, 6.78%
Czech Republic
1074 publications, 6.78%
|
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Turkey
|
Turkey, 1066, 6.73%
Turkey
1066 publications, 6.73%
|
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Hungary
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Hungary, 1044, 6.59%
Hungary
1044 publications, 6.59%
|
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Brazil
|
Brazil, 1026, 6.48%
Brazil
1026 publications, 6.48%
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India
|
India, 1001, 6.32%
India
1001 publications, 6.32%
|
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Croatia
|
Croatia, 927, 5.85%
Croatia
927 publications, 5.85%
|
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Mexico
|
Mexico, 924, 5.83%
Mexico
924 publications, 5.83%
|
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Republic of Korea
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Republic of Korea, 909, 5.74%
Republic of Korea
909 publications, 5.74%
|
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Finland
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Finland, 899, 5.67%
Finland
899 publications, 5.67%
|
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Ukraine
|
Ukraine, 897, 5.66%
Ukraine
897 publications, 5.66%
|
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Serbia
|
Serbia, 896, 5.65%
Serbia
896 publications, 5.65%
|
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Portugal
|
Portugal, 892, 5.63%
Portugal
892 publications, 5.63%
|
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Pakistan
|
Pakistan, 870, 5.49%
Pakistan
870 publications, 5.49%
|
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Georgia
|
Georgia, 838, 5.29%
Georgia
838 publications, 5.29%
|
|
Colombia
|
Colombia, 818, 5.16%
Colombia
818 publications, 5.16%
|
|
Egypt
|
Egypt, 812, 5.12%
Egypt
812 publications, 5.12%
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500
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2500
3000
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- We do not take into account publications without a DOI.
- Statistics recalculated daily.
- Publications published earlier than 1921 are ignored in the statistics.
- The horizontal charts show the 30 top positions.
- Journals quartiles values are relevant at the moment.