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Heliophysics: from observations to models and applications

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Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation, Russian Academy of Sciences, Kaluzhskoe shosse 4, Troitsk, Москва, 108840, Russian Federation

Study of the physical phenomena and processes on the Sun and in the heliosphere, a natural plasma laboratory, is based on near-earth and space-based observations and building models which help to obtain a general view of how the Sun was made and how it works, while allowing one to address the practical problems of solar activity influencing space weather and its impact on various areas of human activity. In this paper a brief outline is given of the models of trigger mechanisms driving the most powerful manifestations of solar activity — solar flares and mass ejections, the wave mechanism of solar corona heating. Also, analytical solutions are presented for MHD shock waves in solar wind collisionless plasma with heat fluxes.

Typically, an English fulltext is available in about 3 months from the date of publication of the original article.

Keywords: heliophysics, flares, mass ejections, corona heating, shock waves
PACS: 52.35.Bj, 52.35.Tc, 52.65.Kj (all)
DOI: 10.3367/UFNe.2019.06.038625
URL: https://ufn.ru/en/articles/2020/8/i/
Citation: Kuznetsov V D, Osin A I "Heliophysics: from observations to models and applications" Phys. Usp. 63 (8) (2020)

Received: 5th, June 2019, 5th, June 2019

Оригинал: Кузнецов В Д, Осин А И «Гелиофизика: от наблюдений к моделям и приложениям» УФН 190 871–877 (2020); DOI: 10.3367/UFNr.2019.06.038625

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