Citation Rankings
Highly Cited Researchers
Natural Sciences / Physics Highly Cited Researchers 23 Scientists Citation Rankings - 2025
The Citation Rankings (Highly Cited Researchers) list highlight the most cited and influential researchers across a vast range of scientific fields, covering 197 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings. This service, offered exclusively by AD Scientific Index, aims to provide a balanced perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers, particularly in the social sciences and humanities. This unique approach addresses the advantages researchers with multi-author publications and CERN involvement hold over others. Furthermore, citation rankings help uncover rule violations and unethical practices within the research community. For more detailed citation analyses, explore the Scientists Last 6 Years Citation Index, Universities Total Citations Rankings 2025, and Universities Last 6 Years Citations Rankings 2025.
* Total Citation Counts Rankings
Ranking Based On Selection: 1
computational science
rate theory
electronic structure
catalysis
nanoclusters
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
81,916
40,065
0.489
* Total Citation Counts Rankings
Ranking Based On Selection: 2
The Cosmic Microwave Background. Early universe models
large scale structure
and general cosmology.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
76,211
45,738
0.600
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Astro particle physics
high-energy gamma rays
Cosmic rays
gamma-ray bursts
interstellar medium
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
67,444
22,513
0.334
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Gamma-Ray Bursts
Cosmology
Galaxy Evolution
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,082
8,175
0.326
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Methods of data analysis for experimental particle physics
human genetics
mathematical physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,301
2,296
0.108
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Quantum physics: theory
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,928
5,361
0.415
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Dark matter astrophysics
galaxy formation and evolution
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,532
3,556
0.544
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Theoretical physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,215
1,440
0.232
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Dark matter
galaxy formation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,767
3,295
0.691
360° Institutional Performance & Benchmarking Click Here for Live Demo
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with 20 similarly ranked institutions at City, Country, Region, and Global levels.
* Total Citation Counts Rankings
Ranking Based On Selection: 10
Physics
Condensed matter
electron transport
nanosystems
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,125
1,150
0.279
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Physics
Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,837
925
0.326
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Semiconductor physics and devices
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,410
509
0.211
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Solid State Physcs
Nanoscience
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,319
351
0.151
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Magnetism
Spintronics
Infrared technology
Sensors
Thin-films
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,679
479
0.285
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Astrophysics
physics
history of science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,583
221
0.140
* Total Citation Counts Rankings
Ranking Based On Selection: 16
String theory
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,435
1,077
0.751
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Theoretical Physics
Mathematical Physics
String Theory
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
655
167
0.255
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Condensed Matter Physics
Quantum Optics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
404
215
0.532
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Theoretical Physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
328
275
0.838
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Condense Matter Physics
Material Science
2D material
Topological Insulators
Magnetism
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
257
256
0.996
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
227
124
0.546
* Total Citation Counts Rankings
Ranking Based On Selection: 22
physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
212
211
0.995
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Quantum Intermittency
Statistics
Machine Learning
Density Functional Theory
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
57
57
1.000
* Total Citation Counts Rankings
Rankings
4,591
6
4
Ranking Based On Selection: 1
Hannes Jónsson
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
81,916
40,065
0.489
computational science
rate theory
electronic structure
catalysis
nanoclusters
* Total Citation Counts Rankings
Rankings
5,208
7
5
Ranking Based On Selection: 2
Jon E Gudmundsson
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
76,211
45,738
0.600
The Cosmic Microwave Background. Early universe models
large scale structure
and general cosmology.
* Total Citation Counts Rankings
Rankings
6,354
8
6
Ranking Based On Selection: 3
Guðlaugur Jóhannesson
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
67,444
22,513
0.334
Astro particle physics
high-energy gamma rays
Cosmic rays
gamma-ray bursts
interstellar medium
* Total Citation Counts Rankings
Rankings
30,122
22
12
Ranking Based On Selection: 4
Pall Jakobsson
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,082
8,175
0.326
Gamma-Ray Bursts
Cosmology
Galaxy Evolution
* Total Citation Counts Rankings
Rankings
38,006
28
14
Ranking Based On Selection: 5
Nikolay Gagunashvili
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,301
2,296
0.108
Methods of data analysis for experimental particle physics
human genetics
mathematical physics
* Total Citation Counts Rankings
Rankings
74,072
44
25
Ranking Based On Selection: 6
Ivan Shelykh
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,928
5,361
0.415
* Total Citation Counts Rankings
Rankings
160,327
92
57
Ranking Based On Selection: 7
Jesus Zavala
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,532
3,556
0.544
Dark matter astrophysics
galaxy formation and evolution
* Total Citation Counts Rankings
Rankings
168,750
100
64
Ranking Based On Selection: 8
Larus Thorlacius
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,215
1,440
0.232
* Total Citation Counts Rankings
Rankings
218,739
132
90
Ranking Based On Selection: 9
Mark Lovell
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,767
3,295
0.691
* Total Citation Counts Rankings
Rankings
250,187
151
105
Ranking Based On Selection: 10
Vidar Gudmundsson
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,125
1,150
0.279
Physics
Condensed matter
electron transport
nanosystems
360° Institutional Performance & Benchmarking Click Here for Live Demo
Gain data-driven strategic insights into your institution’s academic performance, global positioning, and competitive strengths through advanced analysis and benchmarking
with 20 similarly ranked institutions at City, Country, Region, and Global levels.
* Total Citation Counts Rankings
Rankings
343,926
219
154
Ranking Based On Selection: 11
Oddur Ingólfsson
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,837
925
0.326
* Total Citation Counts Rankings
Rankings
390,937
244
173
Ranking Based On Selection: 12
Einar Örn Sveinbjörnsson
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,410
509
0.211
* Total Citation Counts Rankings
Rankings
402,265
252
180
Ranking Based On Selection: 13
Haflidi Petur Gislason
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,319
351
0.151
* Total Citation Counts Rankings
Rankings
505,509
320
230
Ranking Based On Selection: 14
Snorri Ingvarsson
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,679
479
0.285
Magnetism
Spintronics
Infrared technology
Sensors
Thin-films
* Total Citation Counts Rankings
Rankings
525,387
339
245
Ranking Based On Selection: 15
Einar H Gudmundsson
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,583
221
0.140
* Total Citation Counts Rankings
Rankings
558,682
365
266
Ranking Based On Selection: 16
Friðrik Freyr Gautason
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,435
1,077
0.751
* Total Citation Counts Rankings
Rankings
834,877
549
401
Ranking Based On Selection: 17
Valentina Giangreco M. Puletti
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
655
167
0.255
Theoretical Physics
Mathematical Physics
String Theory
* Total Citation Counts Rankings
Rankings
1,017,080
639
446
Ranking Based On Selection: 18
Skender Morina
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
404
215
0.532
* Total Citation Counts Rankings
Rankings
1,101,054
678
463
Ranking Based On Selection: 19
Diego Hidalgo
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
328
275
0.838
* Total Citation Counts Rankings
Rankings
1,203,585
731
501
Ranking Based On Selection: 20
Atef Iqbal
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
257
256
0.996
Condense Matter Physics
Material Science
2D material
Topological Insulators
Magnetism
* Total Citation Counts Rankings
Rankings
1,257,813
763
521
Ranking Based On Selection: 21
Thorsten Arnold
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
227
124
0.546
* Total Citation Counts Rankings
Rankings
1,286,165
778
530
Ranking Based On Selection: 22
Vladyslav M Kuchkin
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
212
211
0.995
* Total Citation Counts Rankings
Rankings
1,835,749
986
659
Ranking Based On Selection: 23
Anoop Ajaya Kumar Nair|Anoop A Nair
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
57
57
1.000
Quantum Intermittency
Statistics
Machine Learning
Density Functional Theory