Sofia University "St. Kliment Ohridski"

Are you a researcher?

Create a profile to get free access to personal recommendations for colleagues and new articles.

Short name

Country, city

Bulgaria, Sofia

02jv3k292

Organization website

Publications

15 062

Citations

239 051

h-index

153

Top-3 journals

Journal of High Energy Physics (592 publications)

Biotechnology and Biotechnological Equipment (349 publications)

European Physical Journal C (300 publications)

Top-3 organizations

National Institute for Nuclear Physics (1055 publications)

Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences (1023 publications)

European Organization for Nuclear Research (960 publications)

Top-3 foreign organizations

National Institute for Nuclear Physics (1055 publications)

European Organization for Nuclear Research (960 publications)

National Laboratory of Frascati (929 publications)

Top-2 researchers by h-index

Marchev Angel

🤝

23 publications, 19 citations

h-index: 2

Ilgın Yıldız

1 publication

h-index: 0

Most cited in 5 years

Found

Publication title

Publisher

Journal

Field of science

Countries

Found

Since 1921

Total publications

15062

Total citations

239051

Citations per publication

15.87

Average publications per year

143.45

Average authors per publication

132.94

h-index

153

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.

https://www.pnas.org/doi/full/10.1073/pnas.0507655102

Top-30

Fields of science

	200 400 600 800 1000 1200 1400 1600 1800 2000
Condensed Matter Physics	Condensed Matter Physics, 1889, 12.54% Condensed Matter Physics 1889 publications, 12.54%
General Physics and Astronomy	General Physics and Astronomy, 1146, 7.61% General Physics and Astronomy 1146 publications, 7.61%
Physical and Theoretical Chemistry	Physical and Theoretical Chemistry, 1105, 7.34% Physical and Theoretical Chemistry 1105 publications, 7.34%
Electronic, Optical and Magnetic Materials	Electronic, Optical and Magnetic Materials, 1055, 7% Electronic, Optical and Magnetic Materials 1055 publications, 7%
Nuclear and High Energy Physics	Nuclear and High Energy Physics, 984, 6.53% Nuclear and High Energy Physics 984 publications, 6.53%
General Medicine	General Medicine, 952, 6.32% General Medicine 952 publications, 6.32%
General Chemistry	General Chemistry, 945, 6.27% General Chemistry 945 publications, 6.27%
Materials Chemistry	Materials Chemistry, 890, 5.91% Materials Chemistry 890 publications, 5.91%
General Materials Science	General Materials Science, 852, 5.66% General Materials Science 852 publications, 5.66%
Atomic and Molecular Physics, and Optics	Atomic and Molecular Physics, and Optics, 830, 5.51% Atomic and Molecular Physics, and Optics 830 publications, 5.51%
Organic Chemistry	Organic Chemistry, 708, 4.7% Organic Chemistry 708 publications, 4.7%
Analytical Chemistry	Analytical Chemistry, 670, 4.45% Analytical Chemistry 670 publications, 4.45%
Spectroscopy	Spectroscopy, 590, 3.92% Spectroscopy 590 publications, 3.92%
Biochemistry	Biochemistry, 577, 3.83% Biochemistry 577 publications, 3.83%
Biotechnology	Biotechnology, 533, 3.54% Biotechnology 533 publications, 3.54%
Colloid and Surface Chemistry	Colloid and Surface Chemistry, 523, 3.47% Colloid and Surface Chemistry 523 publications, 3.47%
Surfaces, Coatings and Films	Surfaces, Coatings and Films, 519, 3.45% Surfaces, Coatings and Films 519 publications, 3.45%
Electrical and Electronic Engineering	Electrical and Electronic Engineering, 441, 2.93% Electrical and Electronic Engineering 441 publications, 2.93%
Inorganic Chemistry	Inorganic Chemistry, 433, 2.87% Inorganic Chemistry 433 publications, 2.87%
Instrumentation	Instrumentation, 432, 2.87% Instrumentation 432 publications, 2.87%
Physics and Astronomy (miscellaneous)	Physics and Astronomy (miscellaneous), 410, 2.72% Physics and Astronomy (miscellaneous) 410 publications, 2.72%
Applied Mathematics	Applied Mathematics, 372, 2.47% Applied Mathematics 372 publications, 2.47%
Polymers and Plastics	Polymers and Plastics, 370, 2.46% Polymers and Plastics 370 publications, 2.46%
Surfaces and Interfaces	Surfaces and Interfaces, 357, 2.37% Surfaces and Interfaces 357 publications, 2.37%
General Chemical Engineering	General Chemical Engineering, 349, 2.32% General Chemical Engineering 349 publications, 2.32%
General Mathematics	General Mathematics, 308, 2.04% General Mathematics 308 publications, 2.04%
General Engineering	General Engineering, 306, 2.03% General Engineering 306 publications, 2.03%
Mechanical Engineering	Mechanical Engineering, 295, 1.96% Mechanical Engineering 295 publications, 1.96%
Engineering (miscellaneous)	Engineering (miscellaneous), 291, 1.93% Engineering (miscellaneous) 291 publications, 1.93%
Mechanics of Materials	Mechanics of Materials, 289, 1.92% Mechanics of Materials 289 publications, 1.92%
	200 400 600 800 1000 1200 1400 1600 1800 2000

Journals

	100 200 300 400 500 600
Journal of High Energy Physics	Journal of High Energy Physics, 592, 3.93% Journal of High Energy Physics 592 publications, 3.93%
Biotechnology and Biotechnological Equipment	Biotechnology and Biotechnological Equipment, 349, 2.32% Biotechnology and Biotechnological Equipment 349 publications, 2.32%
European Physical Journal C	European Physical Journal C, 300, 1.99% European Physical Journal C 300 publications, 1.99%
Journal of Physics: Conference Series	Journal of Physics: Conference Series, 280, 1.86% Journal of Physics: Conference Series 280 publications, 1.86%
Lecture Notes in Computer Science	Lecture Notes in Computer Science, 192, 1.27% Lecture Notes in Computer Science 192 publications, 1.27%
Colloids and Surfaces A: Physicochemical and Engineering Aspects	Colloids and Surfaces A: Physicochemical and Engineering Aspects, 170, 1.13% Colloids and Surfaces A: Physicochemical and Engineering Aspects 170 publications, 1.13%
Proceedings of SPIE - The International Society for Optical Engineering	Proceedings of SPIE - The International Society for Optical Engineering, 166, 1.1% Proceedings of SPIE - The International Society for Optical Engineering 166 publications, 1.1%
Physical Review A	Physical Review A, 160, 1.06% Physical Review A 160 publications, 1.06%
Physical Review D	Physical Review D, 156, 1.04% Physical Review D 156 publications, 1.04%
Physica Status Solidi (B): Basic Research	Physica Status Solidi (B): Basic Research, 147, 0.98% Physica Status Solidi (B): Basic Research 147 publications, 0.98%
Physical Review B	Physical Review B, 146, 0.97% Physical Review B 146 publications, 0.97%
Journal of Colloid and Interface Science	Journal of Colloid and Interface Science, 130, 0.86% Journal of Colloid and Interface Science 130 publications, 0.86%
Journal of Molecular Structure	Journal of Molecular Structure, 127, 0.84% Journal of Molecular Structure 127 publications, 0.84%
phys stat sol (a)	phys stat sol (a), 107, 0.71% phys stat sol (a) 107 publications, 0.71%
Physical Review C	Physical Review C, 99, 0.66% Physical Review C 99 publications, 0.66%
Molecules	Molecules, 98, 0.65% Molecules 98 publications, 0.65%
Optics Communications	Optics Communications, 97, 0.64% Optics Communications 97 publications, 0.64%
Crystal Research and Technology	Crystal Research and Technology, 96, 0.64% Crystal Research and Technology 96 publications, 0.64%
AIP Conference Proceedings	AIP Conference Proceedings, 78, 0.52% AIP Conference Proceedings 78 publications, 0.52%
Physical Review Letters	Physical Review Letters, 77, 0.51% Physical Review Letters 77 publications, 0.51%
Colloid and Polymer Science	Colloid and Polymer Science, 75, 0.5% Colloid and Polymer Science 75 publications, 0.5%
Journal of Applied Physics	Journal of Applied Physics, 74, 0.49% Journal of Applied Physics 74 publications, 0.49%
Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 73, 0.48% Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 73 publications, 0.48%
Langmuir	Langmuir, 73, 0.48% Langmuir 73 publications, 0.48%
Physics Letters, Section A: General, Atomic and Solid State Physics	Physics Letters, Section A: General, Atomic and Solid State Physics, 65, 0.43% Physics Letters, Section A: General, Atomic and Solid State Physics 65 publications, 0.43%
Journal of Physics Condensed Matter	Journal of Physics Condensed Matter, 65, 0.43% Journal of Physics Condensed Matter 65 publications, 0.43%
Dyes and Pigments	Dyes and Pigments, 65, 0.43% Dyes and Pigments 65 publications, 0.43%
International Journal of Molecular Sciences	International Journal of Molecular Sciences, 65, 0.43% International Journal of Molecular Sciences 65 publications, 0.43%
Journal of Alloys and Compounds	Journal of Alloys and Compounds, 64, 0.42% Journal of Alloys and Compounds 64 publications, 0.42%
Journal of Instrumentation	Journal of Instrumentation, 64, 0.42% Journal of Instrumentation 64 publications, 0.42%
	100 200 300 400 500 600

Publishers

	500 1000 1500 2000 2500 3000 3500 4000
Elsevier	Elsevier, 3712, 24.64% Elsevier 3712 publications, 24.64%
Springer Nature	Springer Nature, 3471, 23.04% Springer Nature 3471 publications, 23.04%
Wiley	Wiley, 1104, 7.33% Wiley 1104 publications, 7.33%
Taylor & Francis	Taylor & Francis, 945, 6.27% Taylor & Francis 945 publications, 6.27%
MDPI	MDPI, 891, 5.92% MDPI 891 publications, 5.92%
IOP Publishing	IOP Publishing, 823, 5.46% IOP Publishing 823 publications, 5.46%
American Physical Society (APS)	American Physical Society (APS), 673, 4.47% American Physical Society (APS) 673 publications, 4.47%
American Chemical Society (ACS)	American Chemical Society (ACS), 305, 2.02% American Chemical Society (ACS) 305 publications, 2.02%
AIP Publishing	AIP Publishing, 301, 2% AIP Publishing 301 publications, 2%
Walter de Gruyter	Walter de Gruyter, 290, 1.93% Walter de Gruyter 290 publications, 1.93%
Oxford University Press	Oxford University Press, 193, 1.28% Oxford University Press 193 publications, 1.28%
SPIE-Intl Soc Optical Eng	SPIE-Intl Soc Optical Eng, 168, 1.12% SPIE-Intl Soc Optical Eng 168 publications, 1.12%
Royal Society of Chemistry (RSC)	Royal Society of Chemistry (RSC), 151, 1% Royal Society of Chemistry (RSC) 151 publications, 1%
Cambridge University Press	Cambridge University Press, 141, 0.94% Cambridge University Press 141 publications, 0.94%
Optica Publishing Group	Optica Publishing Group, 138, 0.92% Optica Publishing Group 138 publications, 0.92%
EDP Sciences	EDP Sciences, 132, 0.88% EDP Sciences 132 publications, 0.88%
SAGE	SAGE, 115, 0.76% SAGE 115 publications, 0.76%
Pleiades Publishing	Pleiades Publishing, 113, 0.75% Pleiades Publishing 113 publications, 0.75%
World Scientific	World Scientific, 102, 0.68% World Scientific 102 publications, 0.68%
Institute of Electrical and Electronics Engineers (IEEE)	Institute of Electrical and Electronics Engineers (IEEE), 87, 0.58% Institute of Electrical and Electronics Engineers (IEEE) 87 publications, 0.58%
BMJ	BMJ, 65, 0.43% BMJ 65 publications, 0.43%
Hindawi Limited	Hindawi Limited, 60, 0.4% Hindawi Limited 60 publications, 0.4%
Social Science Electronic Publishing	Social Science Electronic Publishing, 56, 0.37% Social Science Electronic Publishing 56 publications, 0.37%
Pensoft Publishers	Pensoft Publishers, 47, 0.31% Pensoft Publishers 47 publications, 0.31%
Frontiers Media S.A.	Frontiers Media S.A., 44, 0.29% Frontiers Media S.A. 44 publications, 0.29%
IGI Global	IGI Global, 33, 0.22% IGI Global 33 publications, 0.22%
IOS Press	IOS Press, 31, 0.21% IOS Press 31 publications, 0.21%
American Mathematical Society	American Mathematical Society, 30, 0.2% American Mathematical Society 30 publications, 0.2%
Trans Tech Publications	Trans Tech Publications, 28, 0.19% Trans Tech Publications 28 publications, 0.19%
Baishideng Publishing Group	Baishideng Publishing Group, 28, 0.19% Baishideng Publishing Group 28 publications, 0.19%
	500 1000 1500 2000 2500 3000 3500 4000

With other organizations

	200 400 600 800 1000 1200
National Institute for Nuclear Physics	National Institute for Nuclear Physics, 1055, 7% National Institute for Nuclear Physics 1055 publications, 7%
Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences	Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, 1023, 6.79% Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences 1023 publications, 6.79%
European Organization for Nuclear Research	European Organization for Nuclear Research, 960, 6.37% European Organization for Nuclear Research 960 publications, 6.37%
National Laboratory of Frascati	National Laboratory of Frascati, 929, 6.17% National Laboratory of Frascati 929 publications, 6.17%
National and Kapodistrian University of Athens	National and Kapodistrian University of Athens, 910, 6.04% National and Kapodistrian University of Athens 910 publications, 6.04%
University of Pavia	University of Pavia, 894, 5.94% University of Pavia 894 publications, 5.94%
University of Belgrade	University of Belgrade, 885, 5.88% University of Belgrade 885 publications, 5.88%
Hamburg University	Hamburg University, 879, 5.84% Hamburg University 879 publications, 5.84%
Sapienza University of Rome	Sapienza University of Rome, 854, 5.67% Sapienza University of Rome 854 publications, 5.67%
Ohio State University	Ohio State University, 850, 5.64% Ohio State University 850 publications, 5.64%
Charles University	Charles University, 838, 5.56% Charles University 838 publications, 5.56%
University of Bologna	University of Bologna, 826, 5.48% University of Bologna 826 publications, 5.48%
University of Warsaw	University of Warsaw, 825, 5.48% University of Warsaw 825 publications, 5.48%
Universidad Autónoma de Madrid	Universidad Autónoma de Madrid, 818, 5.43% Universidad Autónoma de Madrid 818 publications, 5.43%
University of Naples Federico II	University of Naples Federico II, 817, 5.42% University of Naples Federico II 817 publications, 5.42%
Benemérita Universidad Autónoma de Puebla	Benemérita Universidad Autónoma de Puebla, 806, 5.35% Benemérita Universidad Autónoma de Puebla 806 publications, 5.35%
Sungkyunkwan University	Sungkyunkwan University, 805, 5.34% Sungkyunkwan University 805 publications, 5.34%
Joint Institute for Nuclear Research	Joint Institute for Nuclear Research, 803, 5.33% Joint Institute for Nuclear Research 803 publications, 5.33%
University of Strasbourg	University of Strasbourg, 800, 5.31% University of Strasbourg 800 publications, 5.31%
Peking University	Peking University, 799, 5.3% Peking University 799 publications, 5.3%
Panjab University	Panjab University, 795, 5.28% Panjab University 795 publications, 5.28%
Boğaziçi University	Boğaziçi University, 791, 5.25% Boğaziçi University 791 publications, 5.25%
Deutsches Elektronen-Synchrotron	Deutsches Elektronen-Synchrotron, 789, 5.24% Deutsches Elektronen-Synchrotron 789 publications, 5.24%
University of Colorado Boulder	University of Colorado Boulder, 789, 5.24% University of Colorado Boulder 789 publications, 5.24%
University of Pisa	University of Pisa, 787, 5.23% University of Pisa 787 publications, 5.23%
University of Tennessee	University of Tennessee, 787, 5.23% University of Tennessee 787 publications, 5.23%
Boston University	Boston University, 784, 5.21% Boston University 784 publications, 5.21%
University of Wisconsin–Madison	University of Wisconsin–Madison, 783, 5.2% University of Wisconsin–Madison 783 publications, 5.2%
Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional	Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, 782, 5.19% Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional 782 publications, 5.19%
University of Iowa	University of Iowa, 782, 5.19% University of Iowa 782 publications, 5.19%
	200 400 600 800 1000 1200

With foreign organizations

	200 400 600 800 1000 1200
National Institute for Nuclear Physics	National Institute for Nuclear Physics, 1055, 7% National Institute for Nuclear Physics 1055 publications, 7%
European Organization for Nuclear Research	European Organization for Nuclear Research, 960, 6.37% European Organization for Nuclear Research 960 publications, 6.37%
National Laboratory of Frascati	National Laboratory of Frascati, 929, 6.17% National Laboratory of Frascati 929 publications, 6.17%
National and Kapodistrian University of Athens	National and Kapodistrian University of Athens, 910, 6.04% National and Kapodistrian University of Athens 910 publications, 6.04%
University of Pavia	University of Pavia, 894, 5.94% University of Pavia 894 publications, 5.94%
University of Belgrade	University of Belgrade, 885, 5.88% University of Belgrade 885 publications, 5.88%
Hamburg University	Hamburg University, 879, 5.84% Hamburg University 879 publications, 5.84%
Sapienza University of Rome	Sapienza University of Rome, 854, 5.67% Sapienza University of Rome 854 publications, 5.67%
Ohio State University	Ohio State University, 850, 5.64% Ohio State University 850 publications, 5.64%
Charles University	Charles University, 838, 5.56% Charles University 838 publications, 5.56%
University of Bologna	University of Bologna, 826, 5.48% University of Bologna 826 publications, 5.48%
University of Warsaw	University of Warsaw, 825, 5.48% University of Warsaw 825 publications, 5.48%
Universidad Autónoma de Madrid	Universidad Autónoma de Madrid, 818, 5.43% Universidad Autónoma de Madrid 818 publications, 5.43%
University of Naples Federico II	University of Naples Federico II, 817, 5.42% University of Naples Federico II 817 publications, 5.42%
Benemérita Universidad Autónoma de Puebla	Benemérita Universidad Autónoma de Puebla, 806, 5.35% Benemérita Universidad Autónoma de Puebla 806 publications, 5.35%
Sungkyunkwan University	Sungkyunkwan University, 805, 5.34% Sungkyunkwan University 805 publications, 5.34%
Joint Institute for Nuclear Research	Joint Institute for Nuclear Research, 803, 5.33% Joint Institute for Nuclear Research 803 publications, 5.33%
University of Strasbourg	University of Strasbourg, 800, 5.31% University of Strasbourg 800 publications, 5.31%
Peking University	Peking University, 799, 5.3% Peking University 799 publications, 5.3%
Panjab University	Panjab University, 795, 5.28% Panjab University 795 publications, 5.28%
Boğaziçi University	Boğaziçi University, 791, 5.25% Boğaziçi University 791 publications, 5.25%
Deutsches Elektronen-Synchrotron	Deutsches Elektronen-Synchrotron, 789, 5.24% Deutsches Elektronen-Synchrotron 789 publications, 5.24%
University of Colorado Boulder	University of Colorado Boulder, 789, 5.24% University of Colorado Boulder 789 publications, 5.24%
University of Pisa	University of Pisa, 787, 5.23% University of Pisa 787 publications, 5.23%
University of Tennessee	University of Tennessee, 787, 5.23% University of Tennessee 787 publications, 5.23%
Boston University	Boston University, 784, 5.21% Boston University 784 publications, 5.21%
University of Wisconsin–Madison	University of Wisconsin–Madison, 783, 5.2% University of Wisconsin–Madison 783 publications, 5.2%
Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional	Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, 782, 5.19% Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional 782 publications, 5.19%
University of Iowa	University of Iowa, 782, 5.19% University of Iowa 782 publications, 5.19%
University of Eastern Piedmont Amadeo Avogadro	University of Eastern Piedmont Amadeo Avogadro, 780, 5.18% University of Eastern Piedmont Amadeo Avogadro 780 publications, 5.18%
	200 400 600 800 1000 1200

With other countries

	500 1000 1500 2000 2500 3000
Germany	Germany, 2723, 18.08% Germany 2723 publications, 18.08%
USA	USA, 2026, 13.45% USA 2026 publications, 13.45%
France	France, 1615, 10.72% France 1615 publications, 10.72%
United Kingdom	United Kingdom, 1562, 10.37% United Kingdom 1562 publications, 10.37%
Italy	Italy, 1478, 9.81% Italy 1478 publications, 9.81%
Spain	Spain, 1344, 8.92% Spain 1344 publications, 8.92%
Poland	Poland, 1327, 8.81% Poland 1327 publications, 8.81%
Russia	Russia, 1231, 8.17% Russia 1231 publications, 8.17%
Switzerland	Switzerland, 1216, 8.07% Switzerland 1216 publications, 8.07%
Greece	Greece, 1087, 7.22% Greece 1087 publications, 7.22%
China	China, 1085, 7.2% China 1085 publications, 7.2%
Belgium	Belgium, 1085, 7.2% Belgium 1085 publications, 7.2%
Austria	Austria, 1054, 7% Austria 1054 publications, 7%
Czech Republic	Czech Republic, 1004, 6.67% Czech Republic 1004 publications, 6.67%
Hungary	Hungary, 999, 6.63% Hungary 999 publications, 6.63%
Turkey	Turkey, 997, 6.62% Turkey 997 publications, 6.62%
Brazil	Brazil, 957, 6.35% Brazil 957 publications, 6.35%
India	India, 956, 6.35% India 956 publications, 6.35%
Mexico	Mexico, 880, 5.84% Mexico 880 publications, 5.84%
Croatia	Croatia, 875, 5.81% Croatia 875 publications, 5.81%
Republic of Korea	Republic of Korea, 867, 5.76% Republic of Korea 867 publications, 5.76%
Portugal	Portugal, 866, 5.75% Portugal 866 publications, 5.75%
Ukraine	Ukraine, 855, 5.68% Ukraine 855 publications, 5.68%
Finland	Finland, 853, 5.66% Finland 853 publications, 5.66%
Serbia	Serbia, 852, 5.66% Serbia 852 publications, 5.66%
Pakistan	Pakistan, 818, 5.43% Pakistan 818 publications, 5.43%
Georgia	Georgia, 787, 5.23% Georgia 787 publications, 5.23%
Colombia	Colombia, 769, 5.11% Colombia 769 publications, 5.11%
Egypt	Egypt, 761, 5.05% Egypt 761 publications, 5.05%
	500 1000 1500 2000 2500 3000

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.

Science degree

Academy membership

Research interests

Skills

Science degree

Academy membership

Research interests

Skills