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Ion-scale Turbulence and Energy Cascade Rate in the Solar Corona and Inner Heliosphere
Eduard P. Kontar, A. Gordon Emslie, Daniel L. Clarkson +1
Plasma turbulence cascading from MHD to kinetic scales in the heliospheric plasma is believed to play a key role in coronal heating and fast solar wind acceleration, but the proper…
Tracing the Heliospheric Magnetic Field via Anisotropic Radio-Wave Scattering
Daniel L. Clarkson, Eduard P. Kontar, Nicolina Chrysaphi +4
Astrophysical radio sources are embedded in turbulent magnetised environments. In the 1 MHz sky, solar radio bursts are the brightest sources, produced by electrons travelling alon…
Plasma motions and compressive wave energetics in the solar corona and solar wind from radio wave scattering observations
Francesco Azzollini, A. Gordon Emslie, Daniel L. Clarkson +2
Radio signals propagating via the solar corona and solar wind are significantly affected by compressive waves, impacting properties of solar bursts as well as sources viewed throug…
An Anisotropic Density Turbulence Model from the Sun to 1 au Derived From Radio Observations
Eduard P. Kontar, A. Gordon Emslie, Daniel L. Clarkson +5
Solar radio bursts are strongly affected by radio-wave scattering on density inhomogeneities, changing their observed time characteristics, sizes, and positions. The same turbulenc…
The efficiency of electron acceleration during the impulsive phase of a solar flare
Eduard P. Kontar, A. Gordon Emslie, Galina G. Motorina +1
Solar flares are known to be prolific electron accelerators, yet identifying the mechanism(s) for such efficient electron acceleration in solar flare (and similar astrophysical set…
Temperature and Differential Emission Measure Profiles in Turbulent Solar Active Region Loops
A. Gordon Emslie, Stephen J. Bradshaw
We examine the temperature structure of static coronal active region loops in regimes where thermal conductive transport is driven by Coulomb collisions, by turbulent scattering, o…