Kelvin-Helmholtz Instability:

Simulations:
2-D MHD simulations of the plasma transport
2-D Hall-MHD simulations of the plasma transport
Calculation of the growthrates: MHD vs. Hall MHD
Dynamics of the Hall-MHD
Ion inertia scale turbulence
Kelvin-Helmholtz at Venus
Kelvin-Helmholtz at Mars
Kelvin-Helmholtz at Saturn

Observations:
Equator-S
Cluster
Themis
Double-Star






       gradual cusp



diamagnetic cavity
Turbulence in the high-altitude 'gradual'  cusps:

Cluster Observations:
Ion cyclotron waves in the cusp
STAFF and FGM observations of turbulent spectra in the cusp
WHAMP results of the wave damping for cusp parameters




Cusp diamagnetic cavities:
Cluster Observations and 3-D MHD simulations:
Structure and dynamics of the diamagnetic cavities
Properties of energetic particles in the cavities
Origin of turbulence in the Cavities