Research Topics:

Instrument Development (Grotifer) – Data Analysis (Field and Particle Measurements) – Theory, Modeling (Radiation Belt, Transport of Energetic Particles) – DC and Low Frequency Electric Field Measurements / Magnetosphere-Ionosphere Coupling: Subauroral Region – Subauroral Polarization Streams (SAPS)- Thermospheric Winds / Radiation Belts:  Radial Transport – Radial and Azimuthal Diffusion – Drift – “Zebras Stripes”

39 Peer-Reviewed Publications, Including 25 First-Authored and 1 Student-Led Publication:

39 (25) Lejosne S., J.M. Albert and D. Ratliff (2024), Characteristic Times for Radiation Belt Drift Phase Mixing, Front. Astron. Space Sci., 10.3389/fspas.2024.1385472 [access here]


38 (24) Lejosne S., J.M. Albert and S.D. Walton (2023), Drift Phase Resolved Diffusive Radiation Belt Model: 2. Implementation in a Case of Random Electric Potential Fluctuations, Front. Astron. Space Sci., doi: 10.3389/fspas.2023.1232512 [access here]

37 (23) Lejosne S., and J.M. Albert (2023), Drift Phase Resolved Diffusive Radiation Belt Model: 1. Theoretical Framework, Front. Astron. Space Sci., doi: 10.3389/fspas.2023.1200485 [access here]


36 – Breneman, A.W., Wygant, J.R., Tian, S. et al. The Van Allen Probes Electric Field and Waves Instrument: Science Results, Measurements, and Access to Data. Space Sci Rev 218, 69 (2022). [access here]

35 (*Student-Led) Fatmasiefa, F., and Lejosne, S. (2022) Is Kp the Best Single Magnetic Activity Parameterization for Electromagnetic Radial Diffusion in the Outer Radiation Belt? JGR Space Physics, doi: 10.1029/2022JA030521 [access here]

34 (22) Lejosne et al. (2022), Grotifer: A new Electric Field Instrument Design to Address the Need for Highly Accurate Three-Component Electric Field Measurements, Front. Astron. Space Sci., 9:919798. doi: 10.3389/fspas.2022.919798 [access here]

33 (21) –Lejosne S, Allison HJ, Blum LW, Drozdov AY, Hartinger MD, Hudson MK, Jaynes AN, Ozeke L, Roussos E and Zhao H (2022) Differentiating Between the Leading Processes for Electron Radiation Belt Acceleration. Front. Astron. Space Sci. 9:896245. doi: 10.3389/fspas.2022.896245 [access here]

32 – Malaspina D, Ergun R, Goldstein J, Spittler C, Andersson L, Borovsky J, Chu X, De Moudt L, Gallagher D, Jordanova V, Lejosne S, Link J, Maruyama N, Parker J, Thaller S, Unruh B and Walsh B (2022) Plasma Imaging, LOcal Measurement, and Tomographic Experiment (PILOT): A Mission Concept for Transformational Multi-Scale Observations of Mass and Energy Flow Dynamics in Earths Magnetosphere. Front. Astron. Space Sci. 9:910730. doi: 10.3389/fspas.2022.910730 [access here]

31 – George H., Osmane A., Kilpua E. K. J., Lejosne S., Turc L., Grandin M., Kalliokoski M. M. H., Hoilijoki S., Ganse U., Alho M., Battarbee M., Bussov M., Dubart M., Johlander A., Manglayev T., Papadakis K., Pfau-Kempf Y., Suni J., Tarvus V., Zhou H., Palmroth M. (2022), Estimating Inner Magnetospheric Radial Diffusion Using a Hybrid-Vlasov Simulation, Front. Astron. Space Sci., doi: 10.3389/fspas.2022.866455 [access here]

30 (20)- Lejosne, S., B.G. Fejer, N. Maruyama, and L. Scherliess (2022), Radial Transport of Energetic Electrons as Determined from the “Zebra Stripes” Measured in the Earth’s Inner Belt and Slot Region, Front. Astron. Space Sci., doi:10.2289/fspas.2022.823695 [access here]

29 – Drozdov, A. Y., Blum, L. W., Hartinger, M., Zhao, H., Lejosne, S., Hudson, M. K., et al. (2022). Radial Transport vs. Local Acceleration: The long-standing debate. Earth and Space Science, 9, e2022EA002216. [access here]


28 (19)- Lejosne, S., Bonnell, J. W., Wygant, J. R., & Mozer, F. S. (2022). Maximizing the Accuracy of Double Probe Electric Field Measurements near Perigee: The Case of the Van Allen Probes Instruments. Journal of Geophysical Research: Space Physics, 126, e2021JA030099. [access here]

27- Sun, Y. X., Roussos, E., Hao, Y. X., Zong, Q. .-G., Liu, Y., Lejosne, S, et al. (2021). Saturn’s inner magnetospheric convection in the view of zebra stripe patterns in energetic electron spectra. Journal of Geophysical Research: Space Physics, 126, e2021JA029600. [access here]

26 (18)- Lejosne S, Fedrizzi M, Maruyama N and Selesnick RS (2021) Thermospheric Neutral Winds as the Cause of Drift Shell Distortion in Earth’s Inner Radiation Belt. Front. Astron. Space Sci. 8:725800. doi: 10.3389/fspas.2021.725800 [access here]

25- Osmane A., and S. Lejosne (2021), Radial Diffusion of Planetary Radiation Belts’ Particles by Fluctuations with Finite Correlation Time, ApJ, 912, 142.


24 (17)- Lejosne, S. and F.S. Mozer (2020), Inversion of the Energetic Electron “Zebra Stripe” Pattern Present in the Earth’s Inner Belt and Slot Region: First Observations and Interpretation, Geophys. Res. Lett. e2020GL088564 [access here]

23 (16)- Lejosne, S. and F.S. Mozer (2020), Experimental Determination of the Conditions Associated with “Zebra Stripe” Pattern Generation in the Earth’s Inner Radiation Belt and Slot Region. J. Geophys. Res. Space Physics. [access here]

22 (15)- Lejosne, S. (2020), Electromagnetic Radial Diffusion in the Earth’s Radiation Belts as Determined by the Solar Wind Immediate Time History and a Toy Model for the Electromagnetic Fields. J. Geophys. Res. Space Physics. [access here]

21 (14)- Lejosne, S., & Kollmann, P. (2020), Radiation Belt Radial Diffusion at Earth and Beyond. Space Science Reviews, [access here] – read blogpost here


20 (13)- Lejosne, S. (2019). Analytic Expressions for Radial Diffusion. J. Geophys. Res. Space Physics, Top 10% most downloaded papers published in JGR Space Physics 2018-2019. Editors’ Picks in the first AGU Advances digest. [access here]

19 (12)- Lejosne, S., & Mozer, F. S. (2019). Shorting Factor In‐Flight Calibration for the Van Allen Probes DC Electric Field Measurements in the Earth’s Plasmasphere. Earth and Space Science, 6. [access here]


18 (11)- Lejosne, S., Kunduri, B.S.R, Mozer, F.S, & Turner, D.L. (2018). Energetic electron injections deep into the inner magnetosphere: a result of the subauroral polarization stream (SAPS) potential drop, Geophys. Res. Lett., 45. doi: 10.1029/2018GL077969 [access here] – read blogpost here

17 – Roederer, J. G., & Lejosne, S. (2018). Coordinates for representing radiation belt particle flux. J. Geophys. Res. Space Physics, 123, 1381–1387. Top 10% most downloaded papers published in JGR Space Physics 2018-2019. [access here] – read associated blogpost here

16 (10)- Lejosne, S. & Mozer, F.S. (2018). Magnetic activity dependence of the electric drift below L=3, Geophys. Res. Lett., doi: 10.1029/2018GL077873 [access here] – read blogpost here – 

15 – Mozer, F. S., Hull, A., Lejosne, S., & Vasko, I. Y. (2018). Reply to comment by Nishimura et al. J. Geophys. Res. Space Physics, 123, 2071–2077. [access here]


14 (9)- Lejosne, S., and F.S. Mozer (2017), Sub-Auroral Polarization Stream (SAPS) duration as determined from Van Allen Probe successive electric drift measurements, Geophysical Research Letters, doi: 10.1002/2017GL074985 [access here]

13 – Mozer, F. S., O. V. Agapitov, A. Hull, Lejosne, and I. Y. Vasko (2017), Pulsating auroras produced by interactions of electrons and time domain structures, J. Geophys. Res. Space Physics, 122, doi:10.1002/2017JA024223 [access here]

12 (8)- Lejosne, S., S. Maus, and F. S. Mozer (2017), Model-observation comparison for the geographic variability of the plasma electric drift in the Earth’s innermost magnetosphere, Geophys. Res. Lett., 44, 7634–7642, doi:10.1002/2017GL074862 [access here]


11 – Mozer, F.S., O.A. Agapitov, V. Angelopoulos, A. Hull, D. Larson, Lejosne and J. P. McFadden (2017), Extremely Field-Aligned Cool Electrons in the Dayside Outer Magnetosphere, Geophys. Res. Lett., doi: 10.1002/2016GL072054 [access here]

10 (7)- Lejosne, S., and F.S. Mozer (2016), Typical values of the electric drift in the inner radiation belt and slot region as determined from Van Allen Probe measurements,  J. Geophys. Res. Space Physics, 121, 12,014-12,024, doi: 10.1002/2016JA023613. NASA HQ Highlight [access here] – read blogpost here

9 (6)- Lejosne, S., and F.S. Mozer (2016), Van Allen Probe measurements of the electric drift ExB/B2 at Arecibo’s L = 1.4 field line coordinate, Geophys. Res. Lett., 43, doi: 10.1002/2016GL069875 [access here] – read blogpost here – 

8 (5)- Lejosne, S., and J.G. Roederer (2016), The “zebra stripes”: An effect of F region zonal plasma drifts on the longitudinal distribution of radiation belt particles, J. Geophys. Res. Space Physics, 121, 507-518, doi: 10.1002/2015JA02192 [access here] – read blogpost here


7 – Mozer, F. S., V. Agapitov, A. Artemyev, J. F. Drake, V. Krasnoselskikh, S. Lejosne, and I. Vasko (2015), Time domain structures: What and where they are, what they do, and how they are made, Geophys. Res. Lett., 42, 3627–3638. doi: 10.1002/2015GL063946 [access here]

6 – Amaya, J., S. Musset, V. Andersson, A. Diercke, C. Höller, S. Iliev, Juhász,R. Kiefer, R. Lasagni, S. Lejosne, M. Madi, M. Rummelhagen, M. Scheucher, A. Sorba and S. Thonhofer, (2015), The PAC2MAN mission: A new tool to understand and predict solar energetic events, J. Space Weather Space Clim, 5, A5, DOI: 10.1051/swsc/2015005 [access here]


5 (4)- Lejosne, S. (2014), An algorithm for approximating the L* invariant coordinate from the real-time tracing of one magnetic field line between mirror points, J. Geophys. Res. Space Physics, doi: 10.1002/2014JA020016 [access here]

4 – Mozer, F.S., Agapitov, O., Krasnoselskikh, V., Lejosne, S., Reeves, G.D., and Roth, I. (2014), Direct Observation of Radiation-Belt Electron Acceleration from Electron-Volt Energies to Megavolts by Nonlinear Whistlers, PhysRev. Lett., 113, 035001[access here]


3 (3)- Lejosne, S., Boscher, V. Maget, and G. Rolland (2013), Deriving electromagnetic radial diffusion coefficients of radiation belt equatorial particles for different levels of magnetic activity based on magnetic field measurements at geostationary orbit, J. Geophys. Res., Space Physics, 118, 3147-3156, doi: 10.1002/jgra.50361 [access here]

2 (2)- Lejosne, S. (2013), Modélisation du phénomène de diffusion radiale au sein des ceintures de radiation terrestres par technique de changement d’échelle. Ph.D Thesis, Space Physics, University of Toulouse [access here]


1 (1)- Lejosne, S., D. Boscher, V. Maget, and G. Rolland (2012), Bounce-averaged approach to radial diffusion modeling: From a new derivation of the instantaneous rate of change of the third adiabatic invariant to the characterization of the radial diffusion process, J. Geophys. Res., 117, A08321, doi:10.1029/2012JA018011 [access here]


Non-Refereed Publications:

David Malaspina, Robert Ergun, Jerry Goldstein, Laila Andersson, Joseph Borovsky, Xiangning Chu, Dennis Gallagher, Vania Jordanova, Solene Lejosne, Naomi Maruyama, Scott Thaller, Brian Walsh (2022), ‘Follow the mass’: the Science Case for Transformational Multi-scale Observations of Mass and Energy Flow Dynamics in Earth’s Magnetosphere [White paper, access here]

Kollmann, P., Allegini, F., Allen, R. C., André, N., Azari, A. R., Bagenal, F., … Woodfield, E. (2021). Magnetospheric Studies: A requirement for addressing interdisciplinary mysteries in the Ice Giant systems. Bulletin of the AAS, 53(4). [White paper, access here]