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Significance of CDC
Like the tail, the plasma forms its own magnetic field. In this case, the plasma has positive feedback, making the field MORE trapping with greater density and/or greater temperature.
The CDC is a sponge for wave energy. Very low Q
The CDC is a substantial trap, lasting for hours, and possibly days.
The CDC traps particles with 3 adiabatic invariants, but with nearly identical periods of the motion. Energy quickly moves from gyro to bounce to drift.
Notes: