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Information - ST9 Linear and nonlinear wave particle interactions in space plasmas
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Event Information |
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Waves produced by plasma instabilities provide the necessary interactions
to transfer energy and momentum between particles in collisionless plasmas.
Based on over 30 years of in situ observations there is strong evidence that
linear and nonlinear wave-particle interactions are taking place in space
plasmas. The processes involved in these interactions and their further
effects on the plasma environment are not yet well understood. These
processes are primarily occurring in turbulent regions where different
plasmas and magnetic fields are interacting, such as in magnetosheaths and
at boundary layers throughout the heliosphere. These interactions often
produce bursty electrostatic and electromagnetic waves and nonlinear structures.
Knowledge of the properties of these waves and structures and their evolution
provides insight into the state of the plasma and a potential to understand
what role these microscopic processes play in the global picture, such as
energy transport and dissipation. We solicit contributions that provide
insight into basic wave-particle interactions as applicable to space plasmas,
whether through space-based observational wave and particle data from single
or multiple spacecraft missions such as CLUSTER and the forthcoming STEREO
and THEMIS, or through theory and simulation or laboratory experiments. We
also encourage contributions that provide new and atypical methods for analyzing
wave data in the context of particle interactions. The session will provide a
forum for exploring the possibility that specific wave-particle interactions
are not confined to just one region of earth, such as the bow shock, magnetopause
or auroral acceleration region, but may occur in many regions of space in
slightly different ways with application to other planets, stars, the
heliosphere, and astrospheres.
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