Coronal Mass Ejection: Initiation, Magnetic Helicity, and Flux Ropes. II. Turbulent Diffusion-driven Evolution

By Tahar Amari, J. Luciani, J. Aly, Zoran Mikic, Jon A. Linker. 2003

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Subfields: Astronomy and Astrophysics, Molecular Biology

View Paper: https://www.semanticscholar.org/paper/9c4d61f360e0320fe0d7efe9148bb81e312a47ee

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The Physical Processes of CME/ICME Evolution (2017, background): “To account for the highly curved and elongated PIL, along which the strength of the background field strongly varies, a chain of seven overlapping TDm ropes was inserted (Fig.”
Coronal Mass Ejections as Loss of Confinement of Kinked Magnetic Flux Ropes (2005, background): “…due to loss of equilibrium or MHD catastrophe have been observed in several other three-dimensional numerical simulations (e.g., Linker et al. 2001; Amari et al. 2003, 2004; Roussev et al. 2004) and also proven analytically for twodimensional axisymmetric configurations (e.g., Lin & Forbes 1998).”
The standard flare model in three dimensions - I. Strong-to-weak shear transition in post-flare loops (2012, methodology): “Both are consistent with other 3D CME simulations calculated with different MHD codes (Amari et al. 2003; Török et al. 2010, Figs.”
Coronal prominence structure and dynamics: A magnetic flux rope interpretation (2006, background): “D twisted flux rope configurations have also been shown in numerical simulations [Linker et al., 2001; Amari et al., 2000, 2003a, 2004a, 2004b; Toeroek and Kliem, 2003; Kusano et al., 2004; Roussev et al., 2004; Kusano, 2005; Fan, 2005; Toeroek and Kliem, 2005; Fan and Gibson, 2006; Gibson and Fan,…”
The Partial Expulsion of a Magnetic Flux Rope (2006, background): “…a pre-CME flux rope (Wolfson et al. 1987; Low & Hundhausen 1995; Linker et al. 2003; Gibson et al. 2006), as are transient sigmoid brightenings (Rust & Kumar 1996; Fan & Gibson 2003, 2004; Kliem et al. 2004) and their transition to cusped postflare loops (Amari et al. 2003b; To¨rök & Kliem 2005).”
The Origin, Early Evolution and Predictability of Solar Eruptions (2018, background): “Although this idea is by no means accepted or proven, some work has indicated that magnetic helicity is a necessary but not sufficient condition for an eruption (Amari et al, 2003b) whilst others show that magnetic helicity is not necessary for CMEs (Zuccarello et al, 2009b).”
Confined and Ejective Eruptions of Kink-unstable Flux Ropes (2005, methodology): “They also demonstrate the importance of the height dependence of the overlying field for the evolution of the instability into a CME, while Amari et al. (2003b) found the amount of magnetic helicity to be essential.”
Onset of Coronal Mass Ejections Due to Loss of Confinement of Coronal Flux Ropes (2007, background): “…general property associated with the dynamic activation of a line-tied twisted flux rope, as has been shown in several previous calculations (e.g., Amari et al. 2003; Fan & Gibson 2004; Manchester et al. 2004; Gibson et al. 2004; Fan & Gibson 2006; Gibson & Fan 2006b) and discussed in detail in…”
CRITERIA FOR FLUX ROPE ERUPTION: NON-EQUILIBRIUM VERSUS TORUS INSTABILITY (2010, methodology): “The two last phases are the most spectacular ones, so they are better constrained by observations and they are more deeply modeled, in particular with MHD simulations (e.g. Amari et al. 2003; Fan & Gibson 2007; Török & Kliem 2007).”
Tracking Vector Magnetograms with the Magnetic Induction Equation (2008, background): “…flux cancellation of the overlying coronal field (Linker et al. 2001), flux injection (Chen 1989, 1996), the kink instability of filaments (Rust & Kumar 1996; Török et al. 2004; Kliem et al. 2004), and photospheric footpoint shearing (Amari et al. 2000, 2003a, 2003b; Schrijver et al. 2005).”
ELECTRIC CURRENTS IN FLARE RIBBONS: OBSERVATIONS AND THREE-DIMENSIONAL STANDARD MODEL (2014, methodology): “As such, different mechanisms for eruptive flares have been proposed (see Forbes et al. 2006; Amari et al. 2003a, 2003b; Shibata & Magara 2011; Aulanier 2014 and references therein).”
MAGNETIC FIELD STRUCTURES TRIGGERING SOLAR FLARES AND CORONAL MASS EJECTIONS (2012, background): “In fact, the converging flow on the solar surface is believed to play the role of a trigger in the flux cancellation (FC) model (Inhester et al. 1992; Priest et al. 1994; Amari et al. 2003a).”