Kinetic simulations of 3‐D Farley‐Buneman turbulence and anomalous electron heating
MM Oppenheim, YS Dimant - Journal of Geophysical Research …, 2013 - Wiley Online Library
Electric fields map from the magnetosphere to the E region ionosphere where they drive the
intense currents of the auroral electrojet. Particularly during geomagnetic storms and …
intense currents of the auroral electrojet. Particularly during geomagnetic storms and …
The mysterious green streaks below STEVE
J Semeter, M Hunnekuhl, E MacDonald… - AGU …, 2020 - Wiley Online Library
Strong thermal emission velocity enhancement (STEVE) is an optical phenomenon of the
subauroral ionosphere arising from extreme ion drift speeds. STEVE consists of two distinct …
subauroral ionosphere arising from extreme ion drift speeds. STEVE consists of two distinct …
Large-scale simulations of 2-D fully kinetic Farley-Buneman turbulence
Currents flowing in the Earth's ionospheric electrojets often develop Farley-Buneman (FB)
streaming instabilities and become turbulent. The resulting electron density irregularities …
streaming instabilities and become turbulent. The resulting electron density irregularities …
Magnetosphere‐ionosphere coupling through E region turbulence: 2. Anomalous conductivities and frictional heating
YS Dimant, MM Oppenheim - Journal of Geophysical Research …, 2011 - Wiley Online Library
Global magnetospheric MHD codes using ionospheric conductances based on laminar
models systematically overestimate the cross–polar cap potential during storm time by up to …
models systematically overestimate the cross–polar cap potential during storm time by up to …
Photoelectron‐induced waves: A likely source of 150 km radar echoes and enhanced electron modes
MM Oppenheim, YS Dimant - Geophysical Research Letters, 2016 - Wiley Online Library
VHF radars near the geomagnetic equator receive coherent reflections from plasma density
irregularities between 130 and 160 km in altitude during the daytime. Though researchers …
irregularities between 130 and 160 km in altitude during the daytime. Though researchers …
First 3‐D simulations of meteor plasma dynamics and turbulence
MM Oppenheim, YS Dimant - Geophysical Research Letters, 2015 - Wiley Online Library
Millions of small but detectable meteors hit the Earth's atmosphere every second, creating
trails of hot plasma that turbulently diffuse into the background atmosphere. For over 60 …
trails of hot plasma that turbulently diffuse into the background atmosphere. For over 60 …
A theoretical framework for the changing spectral properties of meter‐scale Farley‐Buneman waves between 90 and 125 km altitudes
JP St.‐Maurice, JL Chau - Journal of Geophysical Research …, 2016 - Wiley Online Library
Stimulated by recent observations described in a companion paper, we have revisited
existing theories of the Farley‐Buneman instability throughout the altitude range 90 to 125 …
existing theories of the Farley‐Buneman instability throughout the altitude range 90 to 125 …
The radar aurora
DL Hysell - Auroral dynamics and space weather, 2015 - books.google.com
Theory and observations of coherent scatter radar echoes from the auroral E region are
described. A unified interpretation of the spectral properties of the radar backscatter …
described. A unified interpretation of the spectral properties of the radar backscatter …
Newly discovered source of turbulence and heating in the solar chromosphere
M Oppenheim, Y Dimant, W Longley… - The Astrophysical …, 2020 - iopscience.iop.org
Above the Sun's luminous photosphere lies the solar chromosphere, where the temperature
increases from below 4000 K to over 1 million K. Though physicists do not understand the …
increases from below 4000 K to over 1 million K. Though physicists do not understand the …
Combined radar observations of equatorial electrojet irregularities at Jicamarca
Daytime equatorial electrojet plasma irregularities were investigated using five distinct radar
diagnostics at Jicamarca including range-time-intensity (RTI) mapping, Faraday rotation …
diagnostics at Jicamarca including range-time-intensity (RTI) mapping, Faraday rotation …