Citation Rankings
Highly Cited Researchers

Plovdiv University Paisii Hilendarski Highly Cited Researchers CitationNatural Sciences / Physics Rankings 2025

Citation Rankings (Highly Cited Researchers) and the list of the most cited and influential researchers cover a wide range of scientific fields, spanning 197 main and sub-disciplines, as well as the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings, offering a unique service. Additionally, the list without CERN, Statistical Data, etc., provided exclusively by “AD Scientific Index”, is part of our effort to balance the situation created by CERN and researchers with statistical data, who have an advantage over others, especially those in the social and humanities fields. There should be new regulations for multi-author and CERN papers. Citation lists also reveal many rule violations and unethical practices. See also for more specific citation analyses: Scientists Last 6 years Citation IndexUniversities Total Citations Rankings 2025 and Universities Last 6 Years Citations Rankings 2025

* Total Citation Counts Rankings
Ranking Based On Selection :1
Bulgaria
Veselin Kmetov
atomic spectrometry
metrology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
576
124
0.215
* Total Citation Counts Rankings
Ranking Based On Selection :2
Bulgaria
Ginka Exner
Physics
Chemistry
Science education
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
246
151
0.614
* Total Citation Counts Rankings
Ranking Based On Selection :3
Bulgaria
Sotir Sotirov
Physics
Electronics
Laser Equipment
Optical Spectroscopy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
243
175
0.720
* Total Citation Counts Rankings
Ranking Based On Selection :4
Bulgaria
Stoil I Ivanov
Polynomial zeros
Iterarive methods
Numerical algorithms
Convergence analysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
239
202
0.845
* Total Citation Counts Rankings
Ranking Based On Selection :5
Bulgaria
Borislav Toskov
Physics
Internet of Things
Software Engineering
Biometrics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
66
54
0.818
* Total Citation Counts Rankings
Ranking Based On Selection :6
Bulgaria
Stefan Nikolov
physics
education
science communication
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
54
36
0.667
* Total Citation Counts Rankings
Ranking Based On Selection :7
Bulgaria
Plamena I Marcheva
Polynomial zeros
Iterarive methods
Numerical algorithms
Convergence analysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14
13
0.929
* Total Citation Counts Rankings
Rankings
857,300
Bulgaria
814
39
Ranking Based On Selection: 1
Veselin Kmetov
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
576
124
0.215
* Total Citation Counts Rankings
Rankings
1,186,130
Bulgaria
1,660
87
Ranking Based On Selection: 2
Ginka Exner
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
246
151
0.614
* Total Citation Counts Rankings
Rankings
1,191,108
Bulgaria
1,668
88
Ranking Based On Selection: 3
Sotir Sotirov
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
243
175
0.720
Physics
Electronics
Laser Equipment
Optical Spectroscopy
* Total Citation Counts Rankings
Rankings
1,197,709
Bulgaria
1,678
89
Ranking Based On Selection: 4
Stoil I Ivanov
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
239
202
0.845
Polynomial zeros
Iterarive methods
Numerical algorithms
Convergence analysis
* Total Citation Counts Rankings
Rankings
1,716,358
Bulgaria
3,247
169
Ranking Based On Selection: 5
Borislav Toskov
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
66
54
0.818
Physics
Internet of Things
Software Engineering
Biometrics
* Total Citation Counts Rankings
Rankings
1,784,903
Bulgaria
3,449
172
Ranking Based On Selection: 6
Stefan Nikolov
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
54
36
0.667
physics
education
science communication
* Total Citation Counts Rankings
Rankings
2,129,183
Bulgaria
4,349
201
Ranking Based On Selection: 7
Plamena I Marcheva
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14
13
0.929
Polynomial zeros
Iterarive methods
Numerical algorithms
Convergence analysis