Nonlinear Ion-acoustic Waves, Ion Holes, and Electron Holes in the Near-Sun Solar Wind
F. S. Mozer, J. W. Bonnell, E. Hanson, L. Claire Gasque, I. Y. Vasko
Abstract
Abstract Nonlinear ion-acoustic waves, ion holes, and electron holes have been observed on the Parker Solar Probe at a heliocentric distance of 35 solar radii. These time domain structures contain millisecond duration electric field spikes of several mV m −1 . They are observed inside or at boundaries of switchbacks in the background magnetic field. Their presence in switchbacks indicates that both electron- and ion-streaming electrostatic instabilities occur there to thermalize electron and ion beams.
Topics & Concepts
PhysicsIonSolar windElectronMagnetic fieldThermalisationAtomic physicsElectric fieldIon acoustic waveComputational physicsAstrophysicsQuantum mechanicsSolar and Space Plasma DynamicsIonosphere and magnetosphere dynamicsAstro and Planetary Science