MHD wave modes resolved in fine-scale chromospheric magnetic structures

Abstract

Within the last decade, due to significant improvements in the spatial and temporal resolution of chromospheric data, magnetohydrodynamic (MHD) wave studies in this fascinating region of the Sun's atmosphere have risen to the forefront of solar physics research. In this review we begin by reviewing the challenges and debates that have manifested in relation to MHD wave mode identification in fine-scale chromospheric magnetic structures, including spicules, fibrils and mottles. Next we go on to discuss how the process of accurately identifying MHD wave modes also has a crucial role to play in estimating their wave energy flux. This is of cardinal importance for estimating what the possible contribution of MHD waves is to solar atmospheric heating. Finally, we detail how such advances in chromospheric MHD wave studies have also allowed us, for the first time, to implement cutting-edge magnetoseismological techniques that provide new insight into the sub-resolution plasma structuring of the lower solar atmosphere.

16 pages, 6 figures, to appear as a chapter in the upcoming AGU/Wiley book "Low-frequency Waves in Space Plasmas"

References in corpus (19)

• The Interface Region Imaging Spectrograph (IRIS)
• The Solar Optical Telescope for the Hinode Mission: An Overview
• CRISP Spectropolarimetric Imaging of Penumbral Fine Structure
• Alfven Waves in the Lower Solar Atmosphere
• Magnetic Landscape of Sun's Polar Region
• Convectively driven vortex flows in the Sun
• Observations of ubiquitous compressive waves in the Sun's chromosphere
• Multiwavelength studies of MHD waves in the solar chromosphere: An overview of recent results
• Nonlinear Instability of kink oscillations due to shear motions
• Fine strand-like structure in the solar corona from MHD transverse oscillations
• Alfvén waves in simulations of solar photospheric vortices
• Observation of kink waves in solar spicules
• Statistical properties of the Disk Counterparts of Type II Spicules from simultaneous observations of RBEs in Ca II 8542 and Hα
• The Role of Type II Spicules in the Upper Solar Atmosphere
• The generation and damping of propagating MHD kink waves in the solar atmosphere
• Determination of Transverse Density Structuring from Propagating MHD Waves in the Solar Atmosphere
• Observation of standing kink waves in solar spicules
• Determination of the cross-field density structuring in coronal waveguides using the damping of transverse waves
• Magneto-seismological insights into the penumbral chromosphere and evidence for wave damping in spicules

Cited by in corpus (17)

• The European Solar Telescope
• Waves in the lower solar atmosphere: the dawn of next-generation solar telescopes
• The First Ionization Potential Effect from the Ponderomotive Force: On the Polarization and Coronal Origin of the Alfven Waves
• An Inside Look at Sunspot Oscillations with Higher Azimuthal Wavenumbers
• The origin of the modulation of the radio emission from the solar corona by a fast magnetoacoustic wave
• Chromospheric Heating by MHD Waves and Instabilities
• The Propagation of Coherent Waves Across Multiple Solar Magnetic Pores
• Excitation of negative energy surface magnetohydrodynamic waves in an incompressible cylindrical plasma
• Slow magneto-acoustic waves in simulations of a solar plage region carry enough energy to heat the chromosphere
• High-frequency oscillations in small chromospheric bright features observed with ALMA
• Mixed properties of magnetohydrodynamic waves undergoing resonant absorption in the cusp continuum
• Unveiling the True Nature of Plasma Dynamics from the Reference Frame of a Super-penumbral Fibril
• Quasimodes in the cusp continuum in nonuniform magnetic flux tubes
• The Sun at millimeter wavelengths IV. Magnetohydrodynamic waves in small-scale bright features
• A persistent quiet-Sun small-scale tornado. II. Oscillations
• Concurrent Kink and Sausage Waves in A Crescent Shaped Structure Over A Limb Prominence
• The Sun at millimeter wavelengths V. Magnetohydrodynamic waves in a fibrillar structure