Condensate formation in collisionless plasma
R. A. Treumann, Wolfgang Baumjohann
TL;DR
This paper explores how particle condensates form in collisionless plasma within magnetic mirror geometries, driven by resonances with ion-acoustic noise that break bounce symmetry and lock particles to specific wavelengths.
Contribution
It introduces a novel mechanism for condensate formation in collisionless plasma through resonance effects near mirror points, highlighting the role of background noise and specific correlation lengths.
Findings
Resonance with ion-acoustic noise can induce condensate formation.
Bounce symmetry breaking leads to particle locking at resonant wavelengths.
Correlation lengths are identified as Debye length and ion gyroradius.
Abstract
Particle condensates in general magnetic mirror geometries in high temperature plasma may be caused by a discrete resonance with thermal ion-acoustic background noise near mirror points. The resonance breaks the bounce symmetry, temporally locking the particles to the resonant wavelength. The relevant correlation lengths are the Debye length in parallel direction and the ion gyroradius in perpendicular direction.
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