Chromospheric Damping of Alfvén Waves

By Bart De Pontieu, P. Martens, Hugh S. Hudson. 2001

168 citations recorded by the source corpus.

View Paper: https://www.semanticscholar.org/paper/7756614c0857758a5e7f1545bfebdfea67122a2a

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In Astronomy and Astrophysics

Citations in the corpus

A Unified Picture of the First Ionization Potential and Inverse First Ionization Potential Effects (2004, methodology): “In chromospheric plasma, waves of sufficiently high frequency to produce a downward pondermotive force or to resonate with ion gyrofrequencies are rapidly damped by charge exchange collisions (De Pontieu et al. 2001), and so their effect on abundance fractionation is negligible.”
Impulsive Phase Flare Energy Transport by Large-Scale Alfvén Waves and the Electron Acceleration Problem (2007, background): “De Pontieu et al. (2001) considered the damping by ion-neutral coupling in the lower chromosphere of large-scale coronal oscillations, observed in TRACE to be excited by flares and filament eruptions (Schrijver et al. 2002).”
Coronal Waves and Oscillations (2005, background): “De Pontieu et al. (2001), though, argued that this study did not take the chromosphere into account.”
MHD seismology of coronal loops using the period and damping of quasi-mode kink oscillations (2007, background): “…mechanisms based on the topology of magnetic field lines (Schrijver & Brown 2000); foot-point leakage through the chromospheric density gradient (De Pontieu et al. 2001; Ofman 2002); phase mixing of Alfvén waves (Heyvaerts & Priest 1983; Ofman & Aschwanden 2002); and resonant absorption of…”
Coronal loop oscillations Calculation of resonantly damped MHD quasi-mode kink oscillations of longitudinally stratified loops (2005, background): “De Pontieu et al. (2001) computed damping rates of Alfvén waves due to footpoint leakage.”
Damping of Coronal Loop Oscillations: Calculation of Resonantly Damped Kink Oscillations of One-dimensional Nonuniform Loops (2004, background): “Under the assumption that their analysis (for Alfvén waves, basically the analysis of Davila 1991) is also valid for fast waves, De Pontieu et al. (2001) point out that the observed rapid damping can be explained by footpoint leakage within the uncertainties involved in the measurements.”
Magnetohydrodynamic Oscillations in the Solar Corona and Earth’s Magnetosphere: Towards Consolidated Understanding (2016, methodology): “…but finite coupling time between ions and neutrals that is most important, causing a frequency-dependent wave damping mechanism (e.g., de Pontieu and Haerendel 1998; De Pontieu et al. 2001; Soler et al. 2009, 2011, 2012) that is quite distinct from that of resonant absorption (as discussed in Sect.”