Plasma physics

Plasma physics

The branch of physics concerned with matter in its plasma (gas) state in which a certain portion of the particles are ionized.

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Plasma physics

drift velocity

Physics; Plasma physics

Characteristic velocity at which the center of a particle's orbit ("guiding center") drifts when drift motion occurs.

The Atmospheric Explorer series were three similar spacecraft which orbited the Earth from 1973 to 1981. AE-C was launched by Delta on Dec. 16, 1973 in a highly elliptical orbit of 160 km to 4300 km ...

electromagnetic radiation

Physics; Plasma physics

Energy propagated through space or through material media in the form of an advancing disturbance in electric and magnetic fields existing in space or in media. The term radiation, alone, is used ...

larmor radius

Physics; Plasma physics

For a charged particle moving transversely in a uniform magnetic field, the radius of curvature of the projection of its path on a plane perpendicular to the field.

polar hole

Physics; Plasma physics

High latitude winter phenomena which occurs when the plasma remains for a long time on flux tubes with no sunlight and no particle precipitation. Even a slow decay rate is sufficient to deplete the ...

plasma sheaths

Physics; Plasma physics

The boundary layers of charged particles between plasmas and their surrounding walls, electrodes, or other plasmas. Envelopes of ionized gases that surround bodies moving through an atmosphere at ...