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J

Jacob Bortnik

University of California

77H-index
663Paper Count
1.8WCitation Count
Published Papers 46
Publication Date
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Observations of the Latitude and Frequency Distributions of Equatorward-Propagating Chorus Waves
errGeophysical Research Letters
IF4.6
err2026-08-17
err0
errOAAI
errQiushuo Wang; Jinxing Li; Jacob Bortnik; Donglai Ma; Jiabei He; Qianli Ma; Ning Kang; Lunjin Chen
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A Neural Network Model of Equatorial Electric Field Structures in the Inner Magnetosphere
errGeophysical Research Letters
IF4.6
err2026-02-06
err0
errOAAI
errM. Hua; S. Tian; J. Bortnik; D. Ma; Y. Wang; L. R. Lyons; J. R. Wygant
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errSave
The Dominant Role of the Electron Isotropy Boundary in Controlling Earth's Outer Radiation Belt Electron Lifetimes
errGeophysical Research Letters
IF4.6
err2026-02-01
err0
errOAAI
errMan Hua; Xiaofei Shi; Jacob Bortnik; Anton Artemyev; Vassilis Angelopoulos; Yoshizumi Miyoshi; Takefumi Mitani; James L. Burch; Takeshi Takashima; Tomoaki Hori; Ayako Matsuoka; Mariko Teramoto; Kazuhiro Yamamoto; Yoshiya Kasahara; Fuminori Tsuchiya; Atsushi Kumamoto; Atsuki Shinbori; Iku Shinohara
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Global Morphology of Chorus Waves in the Outer Radiation Belt and the Effect of Geomagnetic Activity and f p e ${f}_{pe}$ / f c e ${f}_{ce}$
errjournal of geophysical research: space physics
IF0
err2026-01-28
err0
errOAAI
errK. A. Bunting; N. P. Meredith; J. Bortnik; Q. Ma; R. Matsuura; X.-C. Shen
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errSave
Combining Van Allen Probes and CubeSat Observations to Estimate Storm-Time Maximum Outer Radiation Belt Electron Fluxes
errSpace Weather
IF0
err2026-01-21
err0
errOAAI
errMan Hua; Jacob Bortnik; Yangyang Shen; Vassilis Angelopoulos; Yang Mei; Xinlin Li; Colin Wilkins
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Evidence for Alfvén waves powering auroral arc via a static electric potential drop
errNature Communications
IF15.7
err2026-01-13
err0
errOAAI
errS. Tian; Z. Yao; J. R. Wygant; R. L. Lysak; J. Bortnik; L. R. Lyons; J. Liang; R. Shi; C. P. Ferradas; Y. Shen; G. D. Reeves
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errSave
The Phase Relation Among Microinjection, Thermal Plasma, and Electric Field: A Case Study
errJOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
IF2.9
err2025-12-09
err0
errOAAI
errTian, S.; Li, J.; Bortnik, J.; Wang, C. -p.; Wang, S.; Burch, J. L.; Le Contel, O.
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errSave
Power Transmission of Whistlers in the Lunar Ionosphere
errThe Astrophysical Journal
IF0
err2025-12-08
err0
errOAAI
errKaiti Wang; Zhan-Rong Hsu; Jacob Bortnik; Ya-Hui Yang
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errSave
Chorus Wave-Driven Electron Dynamics in the Van Allen Belts: From Coherence to Diffusion
errAGU ADVANCES
IF6.6
err2025-11-28
err0
errOAAI
errTao, Xin; An, Zeyu; Zonca, Fulvio; Chen, Liu; Bortnik, Jacob
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errSave
Solar Wind and Geomagnetic Conditions That Lead to the Largest Relativistic Electron Fluxes in GPS Orbit
errSPACE WEATHER-THE INTERNATIONAL JOURNAL OF RESEARCH AND APPLICATIONS
IF3.5
err2025-11-21
err0
errOAAI
errMeredith, Nigel P.; Bortnik, Jacob; Hua, Man; Cayton, Thomas E.; Clilverd, Mark A.; Daggitt, Tom A.; Bunting, Kaine A.
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errSave
Excitation of Whistler-Mode Waves by an Electron Temperature Anisotropy in a Laboratory Plasma
errGEOPHYSICAL RESEARCH LETTERS
IF4.6
err2025-11-15
err0
errOAAI
errMa, Donglai; An, Xin; Han, Jia; Tripathi, Shreekrishna; Bortnik, Jacob; Artemyev, Anton V.; Angelopoulos, Vassilis; Gekelman, Walter; Pribyl, Patrick
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Correlation Between Radiation Enhancements at Aviation Altitudes and Energetic Precipitating Electrons
errSpace Weather
IF0
err2025-10-08
err0
errOAAI
errWei Xu; Haotian Xu; Xudong Gu; Binbin Ni; Jingyuan Feng; Joshua Pettit; Hilde Nesse; W. Kent Tobiska; Wen Cheng; Wenchen Ma; Yudi Pan; Jacob Bortnik
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errSave
Modeling ring current proton distribution using MLP; CNN; LSTM; and transformer networks
errFrontiers in Astronomy and Space Sciences
IF2.6
err2025-10-02
err0
errOAAI
errJinxing Li†; Jacob Bortnik†; Qiushuo Wang†; Yingnian Wu; Andrew Lizarraga; Mirana Angel; Beibei Wang†; Qianzhuang Wen†; Jeffrey Jiang
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errSave
Enhanced Radiation at Aviation Altitudes and Plasmaspheric Hiss Waves-A Time Shift Analysis
errJOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
IF2.9
err2025-10-01
err0
errOAAI
errAryan, Homayon; Bortnik, Jacob; Tobiska, W. Kent; Mehta, Piyush; Hogan, Benjamin; Challa, Harshitha
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errSave
Modeling the Lifetime of Relativistic Electrons Due To Chorus Wave Driven Microbursts
errGeophysical Research Letters
IF4.6
err2025-09-10
err0
errOAAI
errNing Kang; Jacob Bortnik; Xu Liu; Qianli Ma; Jiabei He; Lunjin Chen
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errSave
Evolution of dayside chorus into nightside plasmaspheric hiss
errFrontiers in Astronomy and Space Sciences
IF2.6
err2025-08-25
err0
errOAAI
errJacob Bortnik; Lunjin Chen; Xiao-Jia Zhang; Nigel P. Meredith
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Diffusive and Nonlinear Scattering of Ring Current Protons by Electromagnetic Ion Cyclotron Waves in the Earth's Inner Magnetosphere
errgeophysical research space physics
IF0
err2025-08-17
err0
errOAAI
errQ. Ma; W. Li; J. Bortnik; M. Hanzelka; L. Gan; A. V. Artemyev; X.-C. Shen
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errSave
Coupling Between Earth′s Magnetotail and the Outer Radiation Belt via Field-Line Curvature Scattering
errgeophysical research space physics
IF0
err2025-07-14
err0
PREAI
errA. V. Artemyev; V. Angelopoulos; X.-J. Zhang; J. Bortnik; Y. Miyoshi; C. Wilkins; S. Kasahara; T. Hori; A. Matsuoka; T. Mitani; T. Takashima; M. Teramoto; K. Yamamoto; I. Shinohara
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Reconstructing Equatorial Electron Flux Measurements From Low-Earth-Orbit: A Conjunction Based Framework
errSPACE WEATHER-THE INTERNATIONAL JOURNAL OF RESEARCH AND APPLICATIONS
IF3.5
err2025-03-01
err0
errOAAI
errStumbaugh, D. L.; Bortnik, J.; Claudepierre, S. G.
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Nonlinear Resonant Interactions of Radiation Belt Electrons with Intense Whistler-Mode Waves
errSPACE SCIENCE REVIEWS
IF7.4
err2025-02-12
err1
PREAI
errArtemyev, A. V.; Mourenas, D.; Zhang, X. -j.; Agapitov, O.; Neishtadt, A. I.; Vainchtein, D. L.; Vasiliev, A. A.; Zhang, X.; Ma, Q.; Bortnik, J.; Krasnoselskikh, V. V.
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Research Directions

No research directions
Co-authors
Cooperation Journals
C
C. T. Russell
H-index: 150 · Papers: 4.5K
D
D. N. Baker
H-index: 117 · Papers: 1.3K
C
Christian Frankenberg
H-index: 111 · Papers: 647
V
V. Angelopoulos
H-index: 97 · Papers: 1.7K
G
G. D. Reeves
H-index: 97 · Papers: 1.1K
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