Plasma Sheet Turbulence and Some Features of Magnetospheric Dynamics: Brief Review

Antonova, E.E.; Ovchinnikov, I.L.; Naiko, D.Y.; Kirpichev, I.P.; Vorobjev, V.G.; Yagodkina, O.I.; Stepanova, M.V.

Авторы: Antonova Elizaveta E., Ovchinnikov Ilya L., Naiko Daniil Y., Kirpichev Igor P., Vorobjev Vyacheslav G., Yagodkina Oksana I., Stepanova Marina V.
Сборник: Problems of Geocosmos—2024. Proceedings of the XV Conference and School (St. Petersburg, Russia, April 22–26)
Серия: Springer Proceedings in Earth and Environmental Sciences
Год издания: 2026
Издательство: Springer International Publishing AG
Местоположение издательства: Cham, Switzerland
Первая страница: 505
Последняя страница: 520
DOI: 10.1007/978-3-031-92928-1_37
Аннотация: We summarize the recent studies on the nature of plasma sheet turbulence within Earth's magnetosphere using data from the Magnetospheric Multiscale Mission (MMS), focusing on the role of this turbulence in driving magnetospheric processes. Our analysis reveals a radial dependence of the eddy diffusion coefficient, which governs the transport of energy and momentum within the plasma sheet. We also analyze the limits of the applicability of the frozen-in condition for magnetic fields in plasmas with high Reynolds numbers, and provide the arguments highlighting the role of pressure balance in low-velocity plasma regimes for understanding the causes of the development of geomagnetic disturbances. We also analyze the processes leading to the Interplanetary Magnetic Field (IMF) penetration into the magnetosphere. We show that understanding of the interconnection between the magnetospheric turbulence, pressure balance and IMF penetration into the magnetosphere allows us to offer novel self-consistent explanations for a number of phenomena, including the dynamics of an isolated substorm.
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Plasma Sheet Turbulence and Some Features of Magnetospheric Dynamics: Brief Reviewстатья

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