Simulation of a Multifractal Turbulent Electromagnetic Field in Cosmic Plasma

Авторы: Levashov N.N., Popov V.Yu, Malova H.V., Zelenyi L.M.
Журнал: Cosmic Research (English translation of Kosimicheskie Issledovaniya)
Том: 61
Номер: 2
Год издания: 2023
Издательство: Pleiades Publishing, Inc.
Местоположение издательства: New York, USA
Первая страница: 113
Последняя страница: 119
DOI: 10.1134/S0010952522700149
Аннотация: A two-dimensional model of a multifractal turbulent electromagnetic field is proposed that allows flexibly varying the width of the multifractal spectrum and the level of intermittency. The electromagnetic field is modeled using a superposition of wavelets that are distributed uniformly throughout the computational domain. By means of a special distribution of amplitudes, we ensure that the resulting field is multifractal and intermittent. This model was used to study the effect of multifractality and intermittency on the acceleration of charged particles in a turbulent field in the Earth’s magnetotail. It was shown that, in the case of a multifractal field, individual particles are able to achieve higher energy values in comparison with monofractal turbulence.
Добавил в систему: Малова Хельми Витальевна

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