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

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

doi:https://doi.org/10.5194/angeo-41-429-2023

Articles | Volume 41, issue 2

https://doi.org/10.5194/angeo-41-429-2023

© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/angeo-41-429-2023

© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 41, issue 2

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

Data sets

The Electric Field and Waves Instruments on the Radiation Belt Storm Probes Mission (http://www.space.umn.edu/rbspefw-data/) J. R. Wygant, J. W. Bonnell, K. Goetz, R. E. Ergun, F. S. Mozer, S. D. Bale, M. Ludlam, P. Turin, P. R. Harvey, R. Hochmann, K. Harps, G. Dalton, J. McCauley, W. Rachelson, D. Gordon, B. Donakowski, C. Shultz, C. Smith, M. Diaz-Aguado, J. Fischer, S. Heavner, P. Berg, D. M. Malsapina, M. K. Bolton, M. Hudson, R. J. Strangeway, D. N. Baker, X. Li, J. Albert, J. C. Foster, C. C. Chaston, I. Mann, E. Donovan, C. M. Cully, C. A. Cattell, V. Krasnoselskikh, K. Kersten, A. Brenneman, and J. B. Tao https://doi.org/10.1007/s11214-013-0013-7

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.