Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Art, Design and Architecture, Business and Management, Economics and Econometrics, Education, Engineering and Technology, History, Philosophy, Theology, Law, Medicine and Health Sciences, Natural Sciences and Social Sciences and their 256 sub-branches is a unique service offered only by “AD Scientific Index”. You can see the most cited and influential researchers in the country and region. See also for more specific citation analyses: "last 6 years citation index" Universities Rankings 2024 (Sort by: Total Citations) and Universities Rankings 2024 (Sort by : Last 6 Years Citations)
* Total Citation Counts Rankings
World Rank
9,832
Country Rank
4,705
Institution Rank : 3
![](https://cdn.adscientificindex.com/logos/1603.png)
![United States](/flags/us.png)
![Robert R Alfano](https://cdn.adscientificindex.com/pictures/78/895580.jpg)
Supercontinuum
ultrafast spectroscopy
biophotonics
Singular Optics
fiber optics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
49,592
10,905
0.220
* Total Citation Counts Rankings
World Rank
42,193
Country Rank
18,683
Institution Rank : 19
![](https://cdn.adscientificindex.com/logos/1603.png)
![United States](/flags/us.png)
![John R Lombardi](https://cdn.adscientificindex.com/pictures/99/889866.jpg)
Chemistry
Physics
Spectroscopy
Raman spectroscopy
SERS
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,046
7,138
0.375
* Total Citation Counts Rankings
World Rank
49,470
Country Rank
21,505
Institution Rank : 21
![](https://cdn.adscientificindex.com/logos/1603.png)
![United States](/flags/us.png)
![Alexander Khanikaev](https://cdn.adscientificindex.com/pictures/ab/881760.jpg)
topological photonics
quantum optics
polaritonics
metamaterials
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,941
10,633
0.628
* Total Citation Counts Rankings
World Rank
107,522
Country Rank
42,602
Institution Rank : 25
![](https://cdn.adscientificindex.com/logos/1603.png)
![United States](/flags/us.png)
![Vp Nair](https://cdn.adscientificindex.com/pictures/59/890857.jpg)
High Energy Physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,057
1,463
0.162
* Total Citation Counts Rankings
World Rank
120,052
Country Rank
46,864
Institution Rank : 29
![](https://cdn.adscientificindex.com/logos/1603.png)
![United States](/flags/us.png)
![Vinod Menon](https://cdn.adscientificindex.com/pictures/65/890860.jpg)
Photonics
Cavity QED
2D Materials
Metamaterials
Organic-Inorganic Hybrid materials
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,216
5,563
0.677
* Total Citation Counts Rankings
World Rank
127,568
Country Rank
49,389
Institution Rank : 33
![](https://cdn.adscientificindex.com/logos/1603.png)
![United States](/flags/us.png)
![Joel Gersten](/user/assets/images/profile/no-profile-photo.png)
condensed matter physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,777
876
0.113
* Total Citation Counts Rankings
World Rank
134,290
Country Rank
51,578
Institution Rank : 38
![](https://cdn.adscientificindex.com/logos/1603.png)
![United States](/flags/us.png)
![Cheng Hui Liu](/user/assets/images/profile/no-profile-photo.png)
Raman Spectra of cancer detection
near infrared (NIR) imaging and spectral analysis of early cancer
nonlinear Optics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,422
3,262
0.440
* Total Citation Counts Rankings
World Rank
145,006
Country Rank
55,017
Institution Rank : 41
![](https://cdn.adscientificindex.com/logos/1603.png)
![United States](/flags/us.png)
![Alexios Polychronakos](/user/assets/images/profile/no-profile-photo.png)
Elementary Particle and Field Theory
Statistical and Mathematical Physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,906
994
0.144
* Total Citation Counts Rankings
World Rank
166,485
Country Rank
61,852
Institution Rank : 48
![](https://cdn.adscientificindex.com/logos/1603.png)
![United States](/flags/us.png)
![Sebastian Franco](https://cdn.adscientificindex.com/pictures/dc/895703.jpg)
String Theory
Particle Physics
Mathematical Physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,037
1,597
0.265
* Total Citation Counts Rankings
World Rank
213,397
Country Rank
76,198
Institution Rank : 61
![](https://cdn.adscientificindex.com/logos/1603.png)
![United States](/flags/us.png)
![Mark D Shattuck](https://cdn.adscientificindex.com/pictures/61/890862.jpg)
Soft Matter
Granular Materials
Glasses
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,681
1,824
0.390
* Total Citation Counts Rankings
World Rank
253,795
Country Rank
88,156
Institution Rank : 68
![](https://cdn.adscientificindex.com/logos/1603.png)
![United States](/flags/us.png)
![Frederick W Smith](/user/assets/images/profile/no-profile-photo.png)
physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,881
245
0.063
* Total Citation Counts Rankings
World Rank
281,505
Country Rank
96,191
Institution Rank : 84
![](https://cdn.adscientificindex.com/logos/1603.png)
![United States](/flags/us.png)
![Swapan K Gayen](https://cdn.adscientificindex.com/pictures/8f/890863.jpg)
Optical biomedical imaging
tunable solid state lasers
nanoscience
nonlinear optics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,442
460
0.134
* Total Citation Counts Rankings
World Rank
291,009
Country Rank
98,903
Institution Rank : 87
![](https://cdn.adscientificindex.com/logos/1603.png)
![United States](/flags/us.png)
![Wb Wang](/user/assets/images/profile/no-profile-photo.png)
picosecond and femtosecond time-resolved spectroscopy and lasers
semiconductors
quantum well and dots
spectral and imaging
biomedical opticas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,311
760
0.230
* Total Citation Counts Rankings
World Rank
348,383
Country Rank
115,077
Institution Rank : 102
![](https://cdn.adscientificindex.com/logos/1603.png)
![United States](/flags/us.png)
![Gc Tang](https://cdn.adscientificindex.com/pictures/d4/895592.jpg)
Laser
optics
biomedical Optics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,662
378
0.142
* Total Citation Counts Rankings
World Rank
386,239
Country Rank
125,584
Institution Rank : 110
![](https://cdn.adscientificindex.com/logos/1603.png)
![United States](/flags/us.png)
![Sriram Ganeshan](https://cdn.adscientificindex.com/pictures/c0/878383.jpg)
Condensed matter theory
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,330
1,763
0.757
* Total Citation Counts Rankings
World Rank
392,129
Country Rank
127,202
Institution Rank : 4
![](https://cdn.adscientificindex.com/logos/1798.png)
![United States](/flags/us.png)
![Oleg Berman](/user/assets/images/profile/no-profile-photo.png)
Condensed Matter Theory
Light-Matter interaction
Novel 2D Materials
Quantum Entanglement
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,284
740
0.324
* Total Citation Counts Rankings
World Rank
402,118
Country Rank
129,897
Institution Rank : 113
![](https://cdn.adscientificindex.com/logos/1603.png)
![United States](/flags/us.png)
![Pouyan Ghaemi](https://cdn.adscientificindex.com/pictures/55/890864.jpg)
Condensed Matter Physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,207
1,138
0.516
* Total Citation Counts Rankings
World Rank
450,248
Country Rank
143,061
Institution Rank : 124
![](https://cdn.adscientificindex.com/logos/1603.png)
![United States](/flags/us.png)
![Tal Galfsky](https://cdn.adscientificindex.com/pictures/55/881131.jpg)
Photonics
Plasmonics
Hyperbolic Metamaterials
Quantum Dots
Lithography
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,890
1,328
0.703
* Total Citation Counts Rankings
World Rank
451,165
Country Rank
143,308
Institution Rank : 7
![](https://cdn.adscientificindex.com/logos/1798.png)
![United States](/flags/us.png)
![Vitaliy Dorogan](https://cdn.adscientificindex.com/pictures/8b/891527.jpg)
Physics
Semiconductor Nanostructures
Optical Spectroscopy
Nanoscience and Nanotechnology
Materials Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,885
597
0.317
* Total Citation Counts Rankings
World Rank
477,447
Country Rank
150,376
Institution Rank : 129
![](https://cdn.adscientificindex.com/logos/1603.png)
![United States](/flags/us.png)
![Laura A Sordillo](https://cdn.adscientificindex.com/pictures/3c/885375.jpg)
Brain
New Optical Devices
Cancer Research
Biophotonics
Quantum
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,736
1,234
0.711
* Total Citation Counts Rankings
World Rank
517,247
Country Rank
161,028
Institution Rank : 10
![](https://cdn.adscientificindex.com/logos/1798.png)
![United States](/flags/us.png)
![Gregory L Matloff](https://cdn.adscientificindex.com/pictures/2b/890892.jpg)
astronautics
extrasolar planets
Earth defense
atmospheric science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,542
449
0.291
* Total Citation Counts Rankings
World Rank
544,483
Country Rank
168,275
Institution Rank : 147
![](https://cdn.adscientificindex.com/logos/1603.png)
![United States](/flags/us.png)
![Zav Shotan](https://cdn.adscientificindex.com/pictures/41/881106.jpg)
Physics
Optics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,422
794
0.558
* Total Citation Counts Rankings
World Rank
661,465
Country Rank
198,472
Institution Rank : 161
![](https://cdn.adscientificindex.com/logos/1603.png)
![United States](/flags/us.png)
![Jiufeng Tu](/user/assets/images/profile/no-profile-photo.png)
Optical Spectroscopy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,022
151
0.148
* Total Citation Counts Rankings
World Rank
1,065,906
Country Rank
283,022
Institution Rank : 209
![](https://cdn.adscientificindex.com/logos/1603.png)
![United States](/flags/us.png)
![Li Yunpu](/user/assets/images/profile/no-profile-photo.png)
Optical pumping
NMR
Faraday rotation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
283
107
0.378
* Total Citation Counts Rankings
World Rank
1,115,603
Country Rank
290,611
Institution Rank : 215
![](https://cdn.adscientificindex.com/logos/1603.png)
![United States](/flags/us.png)
![Pratap Chandra Adak](https://cdn.adscientificindex.com/pictures/80/5463493.jpg)
Condensed Matter Physics
Photonics
Cavity QED
2D Materials
Twistronics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
239
239
1.000
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
9,832
![United States](/flags/us.png)
4,705
![](https://cdn.adscientificindex.com/logos/1603.png)
3
Robert R Alfano
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
49,592
10,905
0.220
![](https://cdn.adscientificindex.com/logos/1603.png)
Supercontinuum
ultrafast spectroscopy
biophotonics
Singular Optics
fiber optics
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
42,193
![United States](/flags/us.png)
18,683
![](https://cdn.adscientificindex.com/logos/1603.png)
19
John R Lombardi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,046
7,138
0.375
![](https://cdn.adscientificindex.com/logos/1603.png)
Chemistry
Physics
Spectroscopy
Raman spectroscopy
SERS
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
49,470
![United States](/flags/us.png)
21,505
![](https://cdn.adscientificindex.com/logos/1603.png)
21
Alexander Khanikaev
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,941
10,633
0.628
![](https://cdn.adscientificindex.com/logos/1603.png)
topological photonics
quantum optics
polaritonics
metamaterials
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
107,522
![United States](/flags/us.png)
42,602
![](https://cdn.adscientificindex.com/logos/1603.png)
25
Vp Nair
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,057
1,463
0.162
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
120,052
![United States](/flags/us.png)
46,864
![](https://cdn.adscientificindex.com/logos/1603.png)
29
Vinod Menon
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,216
5,563
0.677
![](https://cdn.adscientificindex.com/logos/1603.png)
Photonics
Cavity QED
2D Materials
Metamaterials
Organic-Inorganic Hybrid materials
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
127,568
![United States](/flags/us.png)
49,389
![](https://cdn.adscientificindex.com/logos/1603.png)
33
Joel Gersten
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,777
876
0.113
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
134,290
![United States](/flags/us.png)
51,578
![](https://cdn.adscientificindex.com/logos/1603.png)
38
Cheng Hui Liu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,422
3,262
0.440
![](https://cdn.adscientificindex.com/logos/1603.png)
Raman Spectra of cancer detection
near infrared (NIR) imaging and spectral analysis of early cancer
nonlinear Optics
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
145,006
![United States](/flags/us.png)
55,017
![](https://cdn.adscientificindex.com/logos/1603.png)
41
Alexios Polychronakos
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,906
994
0.144
![](https://cdn.adscientificindex.com/logos/1603.png)
Elementary Particle and Field Theory
Statistical and Mathematical Physics
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
166,485
![United States](/flags/us.png)
61,852
![](https://cdn.adscientificindex.com/logos/1603.png)
48
Sebastian Franco
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,037
1,597
0.265
![](https://cdn.adscientificindex.com/logos/1603.png)
String Theory
Particle Physics
Mathematical Physics
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
213,397
![United States](/flags/us.png)
76,198
![](https://cdn.adscientificindex.com/logos/1603.png)
61
Mark D Shattuck
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,681
1,824
0.390
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* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
253,795
![United States](/flags/us.png)
88,156
![](https://cdn.adscientificindex.com/logos/1603.png)
68
Frederick W Smith
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,881
245
0.063
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
281,505
![United States](/flags/us.png)
96,191
![](https://cdn.adscientificindex.com/logos/1603.png)
84
Swapan K Gayen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,442
460
0.134
![](https://cdn.adscientificindex.com/logos/1603.png)
Optical biomedical imaging
tunable solid state lasers
nanoscience
nonlinear optics
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
291,009
![United States](/flags/us.png)
98,903
![](https://cdn.adscientificindex.com/logos/1603.png)
87
Wb Wang
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,311
760
0.230
![](https://cdn.adscientificindex.com/logos/1603.png)
picosecond and femtosecond time-resolved spectroscopy and lasers
semiconductors
quantum well and dots
spectral and imaging
biomedical opticas
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
348,383
![United States](/flags/us.png)
115,077
![](https://cdn.adscientificindex.com/logos/1603.png)
102
Gc Tang
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,662
378
0.142
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
386,239
![United States](/flags/us.png)
125,584
![](https://cdn.adscientificindex.com/logos/1603.png)
110
Sriram Ganeshan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,330
1,763
0.757
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
392,129
![United States](/flags/us.png)
127,202
![](https://cdn.adscientificindex.com/logos/1798.png)
4
Oleg Berman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,284
740
0.324
![](https://cdn.adscientificindex.com/logos/1798.png)
Condensed Matter Theory
Light-Matter interaction
Novel 2D Materials
Quantum Entanglement
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
402,118
![United States](/flags/us.png)
129,897
![](https://cdn.adscientificindex.com/logos/1603.png)
113
Pouyan Ghaemi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,207
1,138
0.516
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
450,248
![United States](/flags/us.png)
143,061
![](https://cdn.adscientificindex.com/logos/1603.png)
124
Tal Galfsky
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,890
1,328
0.703
![](https://cdn.adscientificindex.com/logos/1603.png)
Photonics
Plasmonics
Hyperbolic Metamaterials
Quantum Dots
Lithography
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
451,165
![United States](/flags/us.png)
143,308
![](https://cdn.adscientificindex.com/logos/1798.png)
7
Vitaliy Dorogan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,885
597
0.317
![](https://cdn.adscientificindex.com/logos/1798.png)
Physics
Semiconductor Nanostructures
Optical Spectroscopy
Nanoscience and Nanotechnology
Materials Science
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
477,447
![United States](/flags/us.png)
150,376
![](https://cdn.adscientificindex.com/logos/1603.png)
129
Laura A Sordillo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,736
1,234
0.711
![](https://cdn.adscientificindex.com/logos/1603.png)
Brain
New Optical Devices
Cancer Research
Biophotonics
Quantum
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
517,247
![United States](/flags/us.png)
161,028
![](https://cdn.adscientificindex.com/logos/1798.png)
10
Gregory L Matloff
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,542
449
0.291
![](https://cdn.adscientificindex.com/logos/1798.png)
astronautics
extrasolar planets
Earth defense
atmospheric science
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
544,483
![United States](/flags/us.png)
168,275
![](https://cdn.adscientificindex.com/logos/1603.png)
147
Zav Shotan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,422
794
0.558
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
661,465
![United States](/flags/us.png)
198,472
![](https://cdn.adscientificindex.com/logos/1603.png)
161
Jiufeng Tu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,022
151
0.148
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,065,906
![United States](/flags/us.png)
283,022
![](https://cdn.adscientificindex.com/logos/1603.png)
209
Li Yunpu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
283
107
0.378
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,115,603
![United States](/flags/us.png)
290,611
![](https://cdn.adscientificindex.com/logos/1603.png)
215
Pratap Chandra Adak
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
239
239
1.000
![](https://cdn.adscientificindex.com/logos/1603.png)
Condensed Matter Physics
Photonics
Cavity QED
2D Materials
Twistronics