2023
DOI: 10.1051/0004-6361/202245142
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Comparison of magnetic energy and helicity in coronal jet simulations

Abstract: Context.While free/non-potential magnetic energy is a necessary element of any active phenomenon in the solar corona, its role as a marker of the trigger of eruptive process remains elusive. Meanwhile, recent analysis of numerical simulations of solar active events have shown that quantities based on relative magnetic helicity could highlight the eruptive nature of solar magnetic systems. Aims. Based on the unique decomposition of the magnetic field into potential and non-potential components, magnetic energy … Show more

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Cited by 7 publications
(3 citation statements)
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“…Hints for this can also be found in some models (e.g. Pariat et al 2023) where relative helicity decreases are observed earlier than the eruptive events.…”
Section: Discussionmentioning
confidence: 81%
See 1 more Smart Citation
“…Hints for this can also be found in some models (e.g. Pariat et al 2023) where relative helicity decreases are observed earlier than the eruptive events.…”
Section: Discussionmentioning
confidence: 81%
“…Vemareddy et al 2012;Dalmasse et al 2018), or the ratio of two components in its decomposition (e.g. Pariat et al 2017Pariat et al , 2023Zuccarello et al 2018;Linan et al 2018;Moraitis et al 2019b;Thalmann et al 2019b;Green et al 2022). However, direct volume helicity (resp.…”
Section: Introductionmentioning
confidence: 99%
“…In a series of parametric simulations, Pariat et al (2023) analyzed the evolution of the eruptivity index in a coronal jet, where the driven boundary conditions were applied for differing lengths of time. This study also found an increase in the eruptivity index prior to an eruption, although it is acknowledged that a larger parameter study is necessary to determine if there is a consistent threshold above which the system becomes unstable.…”
Section: Introductionmentioning
confidence: 99%