365 citations · 1.5k across the 24 of their papers we have counts for
24 papers
Non-thermal broadening of coronal lines in a 3D MHD loop model
C. A. Breu, H. Peter, S. K. Solanki +2
Observed spectral profiles of emission lines from the corona are found to have widths exceeding the thermal line width. To investigate the physical mechanism, we run a 3D MHD model…
Forward modelling of heating within a coronal arcade
Lianne Fyfe, Thomas Howson, Ineke De Moortel
Aims. We investigate the synthetic observational signatures from numerical models of coronal heating in an arcade to determine what features are associated with such heating, and w…
Investigating coronal wave energy estimates using synthetic non-thermal line widths
Lianne Fyfe, Thomas Howson, Ineke De Moortel +2
Aims. Estimates of coronal wave energy remain uncertain as a large fraction of the energy is likely hidden in the non-thermal line widths of emission lines. In order to estimate th…
Magnetic reconnection and the Kelvin-Helmholtz instability in the solar corona
Thomas Howson, Ineke De Moortel, David Pontin
Context. The magnetic Kelvin-Helmholtz instability (KHI) has been proposed as a means of generating magnetohy- drodynamic turbulence and encouraging wave energy dissipation in the…
Probing the physics of the solar atmosphere with the Multi-slit Solar Explorer (MUSE): I. Coronal Heating
Bart De Pontieu, Paola Testa, Juan Martinez-Sykora +24
The Multi-slit Solar Explorer (MUSE) is a proposed NASA MIDEX mission, currently in Phase A, composed of a multi-slit EUV spectrograph (in three narrow spectral bands centered arou…
MHD Waves in open coronal structures
D. Banerjee, S. Krishna Prasad, V. Pant +8
Modern observatories have revealed the ubiquitous presence of magnetohydrodynamic waves in the solar corona. The propagating waves (in contrast to the standing waves) are usually o…
Contribution of mode coupling and phase-mixing of Alfvén waves to coronal heating
Paolo Pagano, Ineke De Moortel
Phase-mixing of Alfvén waves in the solar corona has been identified as one possible candidate to explain coronal heating. While this scenario is supported by observations of ubiqu…
The effects of resistivity and viscosity on the Kelvin-Helmholtz instability in oscillating coronal loops
Thomas Howson, Ineke De Moortel, Patrick Antolin
Aims - Investigate the effects of resistivity and viscosity on the onset and growth of the Kelvin-Helmholtz instability (KHI) in an oscillating coronal loop. Methods - We modelled…
Modelling observed decay-less oscillations as resonantly enhanced Kelvin-Helmholtz vortices from transverse MHD waves and their seismological application
Patrick Antolin, Ineke De Moortel, Tom Van Doorsselaere +1
In the highly structured solar corona, resonant absorption is an unavoidable mechanism of energy transfer from global transverse MHD waves to local azimuthal Alfvén waves. Due to i…
A new approach for modelling chromospheric evaporation in response to enhanced coronal heating: I The method
C. D. Johnston, A. W. Hood, P. J. Cargill +1
We present a new computational approach that addresses the difficulty of obtaining the correct interaction between the solar corona and the transition region in response to rapid h…
Observational Signatures of Waves and Flows in the Solar Corona
Ineke De Moortel, Patrick Antolin, Tom Van Doorsselaere
Propagating perturbations have been observed in extended coronal loop structures for a number of years, but the interpretation in terms of slow (propagating) magneto-acoustic waves…
Recent advances in coronal heating
Ineke De Moortel, Philippa Browning
The solar corona, the tenuous outer atmosphere of the Sun, is orders of magnitude hotter than the solar surface. This 'coronal heating problem' requires the identification of a hea…
Transverse, Propagating Velocity Perturbations in Solar Coronal Loops
I. De Moortel, D. J. Pascoe, A. N. Wright +1
This short review paper gives an overview of recently observed transverse, propagating velocity perturbations in coronal loops. These ubiquitous perturbations are observed to under…
Statistical Evidence for the Existence of Alfvénic Turbulence in Solar Coronal Loops
Jiajia Liu, Scott W. McIntosh, Ineke De Moortel +2
Recent observations have demonstrated that waves which are capable of carrying large amounts of energy are ubiquitous throughout the solar corona. However, the question of how this…
The Evolving Magnetic Scales of the Outer Solar Atmosphere and Their Potential Impact on Heliospheric Turbulence
Scott W. McIntosh, Christian Bethge, James Threlfall +3
The presence of turbulent phenomena in the outer solar atmosphere is a given. However, because we are reduced to remotely sensing the atmosphere of a star with instruments of limit…
First comparison of wave observations from CoMP and AIA/SDO
J. Threlfall, I. De Moortel, S. W. McIntosh +1
Waves have long been thought to contribute to the heating of the solar corona and the generation of the solar wind. Recent observations have demonstrated evidence of quasi-periodic…
The Source of Three-minute Magneto-acoustic Oscillations in Coronal Fans
D. B. Jess, I. De Moortel, M. Mathioudakis +4
We use images of high spatial, spectral and temporal resolution, obtained using both ground- and space-based instrumentation, to investigate the coupling between wave phenomena obs…
A Contemporary View of Coronal Heating
Clare E. Parnell, Ineke De Moortel
Determining the heating mechanism (or mechanisms) that causes the outer atmosphere of the Sun, and many other stars, to reach temperatures orders of magnitude higher than their sur…
Propagating Disturbances in Coronal Loops: A Detailed Analysis of Propagation Speeds
G. Kiddie, I. De Moortel, G. Del Zanna +2
Quasi-periodic disturbances have been observed in the outer solar atmosphere for many years now. Although first interpreted as upflows (Schrijver et al. (1999)), they have been wid…
MHD Waves and Coronal Seismology: an overview of recent results
Ineke De Moortel, Valery M. Nakariakov
Recent observations have revealed that MHD waves and oscillations are ubiquitous in the solar atmosphere, with a wide range of periods. We give a brief review of some aspects of MH…
Nonlinear wave propagation and reconnection at magnetic X-points in the Hall MHD regime
J. W. Threlfall, C. E. Parnell, I. De Moortel +2
The highly dynamical, complex nature of the solar atmosphere naturally implies the presence of waves in a topologically varied magnetic environment. Here, the interaction of waves…
Observed damping of the slow magnetoacoustic mode
M. S. Marsh, I. De Moortel, R. W. Walsh
Spectroscopic and stereoscopic imaging observations of slow magnetoacoustic wave propagation within a coronal loop are investigated to determine the decay length scale of the slow…
Phase Mixing of Nonlinear Visco-resistive Alfvén Waves
J. A. McLaughlin, I. De Moortel, A. W. Hood
We investigate the behaviour of nonlinear, nonideal Alfvén wave propagation within an inhomogeneous magnetic environment. The governing MHD equations are solved in 1D and 2D using…
Alfvèn wave phase-mixing and damping in the ion cyclotron range of frequencies
J. W. Threlfall, K. G. McClements, I. De Moortel
Aims. To determine the effect of the Hall term in the generalised Ohm's law on the damping and phase mixing of Alfven waves in the ion cyclotron range of frequencies in uniform and…