Double layers and circuits in astrophysics

Details Double layers and circuits in astrophysics Double layers and circuits in astrophysics

Oct 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986stpr.rept..409a&link_type=abstract

In JPL, Space Technology Plasma Issues in 2001 p 409-463 (SEE N87-20055 12-75)

Astronomy and Astrophysics

Astrophysics

Astrophysics, Energy Transfer, Plasma Currents, Plasma Layers, Plasma Pinch, Auroral Zones, Gamma Rays, Radiation Transport, Space Plasmas, X Rays

Scientific paper

As the rate of energy release in a double layer with voltage delta V is P approx I delta V, a double layer must be treated as a part of a circuit which delivers the current I. As neither double layer nor circuit can be derived from magnetofluid models of a plasma, such models are useless for treating energy transfer by means of double layers. They must be replaced by particle models and circuit theory. A simple circuit is suggested which is applied to the energizing of auroral particles, to solar flares, and to intergalactic double radio sources. Application to the heliospheric current systems leads to the prediction of two double layers on the Sun's axis which may give radiations detectable from Earth. Double layers in space should be classified as a new type of celestial object (one example is the double radio sources). It is tentatively suggested in X-ray and Gamma-ray bursts may be due to exploding double layers (although annihilation is an alternative energy source). A study of how a number of the most used textbooks in astrophysics treat important concepts like double layers, critical velocity, pinch effects and circuits is made.

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