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Italian Solar Orbiter-SWA Working Group on "Multiscale Physics"

Abstract : Despite more than a half-century of study, the basic physical processes responsible for heating and accelerating the solar wind are still not fully understood. These phenomena are at the center of a hot debate that is of great interest for the Solar Orbiter mission (as discussed in details in the Science Activity Plan, SAP) and are strictly linked to the turbulent nature of solar wind fluctuations which cover an extended range of spatial and temporal scales. So the identification of these physical processes is of primary importance for understanding the origins and evolution of the solar wind and its impact on the different bodies of the solar system. Moreover, in a broader context, it would allow also to achieve significant progress in our understanding of stellar astrophysics.

Within this context, the Italian Solar Orbiter-SWA Working Group (WGs) on `Multiscale Physics' was created in response to the interest manifested by scientists from several Italian and international institutions on some important topics such as radial evolution of turbulence and Alfvénicity and link between fluid and kinetic scales; solar wind origin; reconnection, intermittency and particle acceleration in the turbulent solar wind (just to cite some of them), with a particular attention to the synergies with other in-situ and remote sensing instruments on board Solar Orbiter and also with other ESA and NASA missions (e.g. L1 observatories and Parker Solar Probe). The `Multiscale Physics' WG involves scientists with an extensive experience in solar wind turbulence and reconnection processes including expertise in data analysis, simulations and modeling.

In this contribution, we present the activity developed so far with a particular focus on the scientific cases identified.

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https://hal-insu.archives-ouvertes.fr/insu-03560370
Contributor : Nathalie POTHIER Connect in order to contact the contributor
Submitted on : Monday, February 7, 2022 - 3:18:47 PM
Last modification on : Friday, September 30, 2022 - 10:56:10 AM

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R. d'Amicis, T. Alberti, R. Bruno, F. Califano, G. Carnevale, et al.. Italian Solar Orbiter-SWA Working Group on "Multiscale Physics". American Geophysical Union, 2020, Online, France. ⟨insu-03560370⟩

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