World's Best Scientists 2026 revealed!

D-Index & Metrics

Physics

D-Index
89
Citations
25848
World Ranking
2335
National Ranking
1172

Umran S. Inan publication distribution in Physics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Physics in 2026. The highlighted bar marks where Umran S. Inan sits on this spectrum.

103–122 publications: 7 scientists 123–142 publications: 10 scientists 143–162 publications: 31 scientists 163–182 publications: 35 scientists 183–202 publications: 53 scientists 203–222 publications: 81 scientists 223–242 publications: 85 scientists 243–262 publications: 112 scientists 263–282 publications: 114 scientists 283–302 publications: 126 scientists 303–322 publications: 136 scientists 323–342 publications: 162 scientists 343–362 publications: 155 scientists 363–382 publications: 156 scientists 383–402 publications: 134 scientists 403–422 publications: 145 scientists 423–442 publications: 147 scientists 443–462 publications: 131 scientists 463–482 publications: 131 scientists 483–502 publications: 116 scientists 503–522 publications: 106 scientists 523–542 publications: 103 scientists 543–562 publications: 87 scientists 563–582 publications: 84 scientists 583–602 publications: 94 scientists 603–622 publications: 70 scientists 623–642 publications: 76 scientists 643–662 publications: 60 scientists 663–682 publications: 54 scientists 683–702 publications: 60 scientists 703–722 publications: 48 scientists 723–742 publications: 64 scientists 743–762 publications: 48 scientists 763–782 publications: 37 scientists 783–802 publications: 43 scientists 803–822 publications: 34 scientists 823–842 publications: 36 scientists 843–862 publications: 32 scientists 863–882 publications: 32 scientists 883–902 publications: 31 scientists 903–922 publications: 25 scientists 923–942 publications: 15 scientists 943–962 publications: 24 scientists 963–982 publications: 13 scientists 983–1,002 publications: 21 scientists 1,003–1,022 publications: 21 scientists 1,023–1,042 publications: 16 scientists 1,043–1,062 publications: 9 scientists 1,063–1,082 publications: 19 scientists 1,083–1,102 publications: 11 scientists 1,103–1,122 publications: 17 scientists 1,123–1,142 publications: 11 scientists 1,143–1,162 publications: 7 scientists 1,163–1,182 publications: 4 scientists 1,183–1,202 publications: 10 scientists 1,203–1,222 publications: 8 scientists 1,223–1,242 publications: 16 scientists 1,243–1,262 publications: 4 scientists 1,263–1,282 publications: 10 scientists 1,283–1,302 publications: 5 scientists 1,303–1,322 publications: 7 scientists 1,323–1,342 publications: 4 scientists 1,343–1,362 publications: 8 scientists 1,363–1,382 publications: 6 scientists 1,383–1,402 publications: 7 scientists 1,403–1,422 publications: 3 scientists 1,423–1,442 publications: 4 scientists 1,443–1,462 publications: 4 scientists 1,463–1,468 publications: 3 scientists 1,469+ publications: 100 scientists
103 publications 1,469+

This scientist: 569 publications — 65th percentile

65% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,469 publications or more.

Umran S. Inan D-index placement in Physics in 2026

The chart shows the D-index (discipline H-index) distribution of Physics scientists ranked by Research.com in 2026. The highlighted bar marks where Umran S. Inan sits on this spectrum.

70–71 D-Index: 76 scientists 72–73 D-Index: 110 scientists 74–75 D-Index: 143 scientists 76–77 D-Index: 153 scientists 78–79 D-Index: 144 scientists 80–81 D-Index: 167 scientists 82–83 D-Index: 167 scientists 84–85 D-Index: 166 scientists 86–87 D-Index: 132 scientists 88–89 D-Index: 155 scientists 90–91 D-Index: 134 scientists 92–93 D-Index: 137 scientists 94–95 D-Index: 102 scientists 96–97 D-Index: 112 scientists 98–99 D-Index: 110 scientists 100–101 D-Index: 116 scientists 102–103 D-Index: 97 scientists 104–105 D-Index: 103 scientists 106–107 D-Index: 87 scientists 108–109 D-Index: 90 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 78 scientists 114–115 D-Index: 75 scientists 116–117 D-Index: 67 scientists 118–119 D-Index: 69 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 59 scientists 124–125 D-Index: 53 scientists 126–127 D-Index: 42 scientists 128–129 D-Index: 41 scientists 130–131 D-Index: 33 scientists 132–133 D-Index: 32 scientists 134–135 D-Index: 45 scientists 136–137 D-Index: 19 scientists 138–139 D-Index: 24 scientists 140–141 D-Index: 28 scientists 142–143 D-Index: 31 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 20 scientists 148–149 D-Index: 12 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 24 scientists 154–155 D-Index: 23 scientists 156–157 D-Index: 15 scientists 158–159 D-Index: 15 scientists 160–161 D-Index: 11 scientists 162–163 D-Index: 17 scientists 164–165 D-Index: 12 scientists 166–167 D-Index: 11 scientists 168–169 D-Index: 9 scientists 170–171 D-Index: 9 scientists 172–173 D-Index: 11 scientists 174–175 D-Index: 4 scientists 176–177 D-Index: 8 scientists 178–179 D-Index: 5 scientists 180–181 D-Index: 3 scientists 182–183 D-Index: 4 scientists 184 D-Index: 4 scientists 185+ D-Index: 99 scientists
70 D-Index 185+

This scientist: 89 D-Index — 38th percentile

38% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 185 D-Index or more.

Research.com Recognitions

  • 2009 - Fellow of American Physical Society (APS) Citation For outstanding contributions to the understanding of nonlinear whistlermode waveparticle interactions, the physics of lightningionosphere interactions, and lightningdriven loss of radiation belt electrons
  • 2007 - Fellow of American Geophysical Union (AGU)

Overview

Umran S. Inan is affiliated with Stanford University in the United States. Their research primarily spans the fields of Physics and Astronomy, Engineering, and Earth and Planetary Sciences. Within these, the subfields of Astronomy and Astrophysics, Geophysics, and Aerospace Engineering constitute the core areas of their scientific work. The main topics explored in their research include ionosphere and magnetosphere dynamics, earthquake detection and analysis, solar and space plasma dynamics, astro and planetary science, spacecraft design and technology, spacecraft and cryogenic technologies, and planetary science and exploration.

Umran S. Inan has contributed to the scientific community through multiple publications across various respected venues. Frequent publication venues for their work include the Journal of Geophysical Research Space Physics, Zenodo (CERN European Organization for Nuclear Research), Earth Planets and Space, Earth and Space Science, and Scientific Reports.

Their recent scholarly papers include:

  • Space-to-space very low frequency radio transmission in the magnetosphere using the DSX and Arase satellites, 2022, Earth Planets and Space
  • The Micro-Broadband Receiver (μBBR) on the Very-Low-Frequency Propagation Mapper CubeSat, 2021, Earth and Space Science
  • Discovery and insights from DSX mission's high-power VLF wave transmission experiments in the radiation belts, 2022, Scientific Reports
  • Overview of the Demonstration and Science Experiments (DSX) Mission, 2023, Journal of Geophysical Research Space Physics
  • Quasi-Periodic Whistler Mode Emission in the Plasmasphere as Observed by the DSX Spacecraft, 2022, Journal of Geophysical Research Space Physics

Collaboration plays a significant role in their research output. Frequent co-authors with whom they have published extensively include M. Starks, W. R. Johnston, D. Lauben, I. R. Linscott, and G. P. Ginet.

Inan's work delves into the physics of space and atmospheric phenomena, focusing on aspects such as whistler-mode wave-particle interactions, lightning-ionosphere interactions, and lightning-driven loss of radiation belt electrons. This specialization is reflected in their recognition by professional organizations, having been named a Fellow of the American Physical Society (APS) in 2009 and a Fellow of the American Geophysical Union (AGU) in 2007.

Best Publications

  • Wave acceleration of electrons in the Van Allen radiation belts

    Richard B. Horne;Richard M. Thorne;Yuri Y. Shprits;Nigel P. Meredith

  • Sprites produced by quasi-electrostatic heating and ionization in the lower ionosphere

    V. P. Pasko;U. S. Inan;T. F. Bell;Y. N. Taranenko

  • Electrical discharge from a thundercloud top to the lower ionosphere

    Victor P. Pasko;Mark A. Stanley;Mark A. Stanley;John D. Mathews;Umran S. Inan

  • Numerical Electromagnetics: The FDTD Method

    Umran S. Inan;Robert A. Marshall

  • Elves : Lightning-induced transient luminous events in the lower ionosphere

    H. Fukunishi;Y. Takahashi;M. Kubota;K. Sakanoi

  • The plasmapause as a VLF wave guide

    U. S. Inan;T. F. Bell

  • Nonlinear pitch angle scattering of energetic electrons by coherent VLF waves in the magnetosphere

    U. S. Inan;T. F. Bell;R. A. Helliwell

  • Heating and ionization of the lower ionosphere by lightning

    U. S. Inan;T. F. Bell;J. V. Rodriguez

  • Observations of relativistic electron microbursts in association with VLF chorus

    K. R. Lorentzen;J. B. Blake;U. S. Inan;J. Bortnik

  • Spatial structure of sprites

    Victor P. Pasko;Umran S. Inan;Timothy F. Bell

  • Ionospheric D region remote sensing using VLF radio atmospherics

    S. A. Cummer;U. S. Inan;T. F. Bell

  • Sensitive Broadband ELF/VLF Radio Reception With the AWESOME Instrument

    M.B. Cohen;U.S. Inan;E.W. Paschal

  • Nonlinear interaction of energetic electrons with large amplitude chorus

    J. Bortnik;R. M. Thorne;U. S. Inan

  • Identification of sprites and elves with intensified video and broadband array photometry

    Christopher P. Barrington-Leigh;Umran S. Inan;Mark Stanley

  • Lightning-induced electron precipitation

    H. D. Voss;W. L. Imhof;M. Walt;J. Mobilia

  • Heating, ionization and upward discharges in the mesosphere, due to intense quasi‐electrostatic thundercloud fields

    Victor P. Pasko;Umran S. Inan;Yuri N. Taranenko;Timothy F. Bell

  • Interaction with the lower ionosphere of electromagnetic pulses from lightning: Heating, attachment, and ionization

    Y. N. Taranenko;U. S. Inan;T. F. Bell

  • Monte Carlo simulation of runaway MeV electron breakdown with application to red sprites and terrestrial gamma ray flashes

    N. G. Lehtinen;T. F. Bell;U. S. Inan

  • Long-range lightning geolocation using a VLF radio atmospheric waveform bank

    R. K. Said;U. S. Inan;U. S. Inan;K. L. Cummins

  • On the association of terrestrial gamma-ray bursts with lightning and implications for sprites

    Umran S. Inan;Steven C. Reising;Gerald J. Fishman;John M. Horack

Frequent Co-Authors

Timothy F. Bell
Timothy F. Bell Stanford University
D. L. Carpenter
D. L. Carpenter Stanford University
Victor P. Pasko
Victor P. Pasko Pennsylvania State University
Michel Parrot
Michel Parrot Centre national de la recherche scientifique, CNRS
Steven A. Cummer
Steven A. Cummer Duke University
Tomoo Ushio
Tomoo Ushio Osaka University
Mark Engebretson
Mark Engebretson Augsburg College
Harald U. Frey
Harald U. Frey University of California, Berkeley
Bodo W. Reinisch
Bodo W. Reinisch University of Massachusetts Lowell
Christos Haldoupis
Christos Haldoupis University of Crete

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