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

d-region

Physics; Plasma physics

A daytime layer of the earth's ionosphere approximately 50 to 90 km in altitude.

electron runaway

Physics; Plasma physics

High acceleration of electrons in a collisional plasma caused by a suddenly applied electric field (which greatly reduces the collision cross section of the electrons).

Poleward of the diffuse aurora is the region of discrete auroral arcs produced by monoenergetic field-aligned particle beams which create a "bubbling" effect in the E-region at the end of the field ...

scattering

Physics; Plasma physics

The process by which small particles suspended in a medium of a different index of diffraction diffuse a portion of the incident radiation in all directions. In scattering, no energy transformation ...

auroral electrojet

Physics; Plasma physics

One of the major features of the high-latitude ionospheric current system. An intense westward flowing current stretching from the early morning sector to just beyond midnight within the auroral ...