Articles | Volume 41, issue 2
https://doi.org/10.5194/angeo-41-429-2023
https://doi.org/10.5194/angeo-41-429-2023
Regular paper
 | 
02 Nov 2023
Regular paper |  | 02 Nov 2023

Relativistic kinematic effects in the interaction time of whistler-mode chorus waves and electrons in the outer radiation belt

Livia R. Alves, Márcio E. S. Alves, Ligia A. da Silva, Vinicius Deggeroni, Paulo R. Jauer, and David G. Sibeck

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Cited articles

Allanson, O., Thomas, E., Clare, W., and Thomas, N.: Weak Turbulence and quasi-linear Diffusion for Relativistic Wave-Particle Interactions Via a Markov Approach, Front. Astron. Space Sci., 8, 805699, https://doi.org/10.3389/fspas.2021.805699, 2022. a, b
Allison, H. J., Shprits, Y. Y., Zhelavskaya, I. S., Wang, D., and Smirnov, A. G.: Gyroresonant wave-particle interactions with chorus waves during extreme depletions of plasma density in the Van Allen radiation belts, Sci. Adv., 7, eabc0380, https://doi.org/10.1126/sciadv.abc0380, 2021. a, b
Alves, L. R., Da Silva, L. A., Souza, V. M., Sibeck, D. G., Jauer P. R., Vieira, L. E. A., Walsh, B. M., Silveira, M. V. D., Marchezi, J. P., Rockenbach, M., Dal Lago, A., Mendes, O., Tsurutani, B. T., Koga, D., Kanekal, S. G., Baker, D. N., Wygant, J. R., and Kletzing, C. A: Outer radiation belt dropout dynamics following the arrival of two interplanetary coronal mass ejections, Geophys. Res. Lett., 43, 978–987, https://doi.org/10.1002/2015GL067066, 2016. a
Anderson, R. R., Gurnett, D. A., and Odem, D. L.: CRRES plasma wave experiment, J. Spacecr. Rocket., 29, 570–573, https://doi.org/10.2514/3.25501, 1992. a
Artemyev, A., Agapitov, O., Mourenas, D., Krasnoselskikh, V., Shastun, V., and Mozer, F.: Oblique Whistler-Mode Waves in the Earth’s Inner Magnetosphere: Energy Distribution, Origins, and Role in Radiation Belt Dynamics, Space Sci. Rev., 200, 261–355, https://doi.org/10.1007/s11214-016-0252-5, 2016. a, b, c, d, e, f
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Short summary
We derive the wave–particle interaction time (IT) equation considering the effects of special relativity theory for whistler-mode chorus waves and relativistic electrons in Earth's radiation belt. Results show that IT has a non-linear dependence on the wave group velocity, electrons' energy, and initial pitch angle. Our results show that the interaction time is generally longer when applying the complete relativistic approach compared to a non-relativistic calculation.
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