Responses to perturbations of the force-free aligned pulsar atmosphere

Details Responses to perturbations of the force-free aligned pulsar atmosphere Responses to perturbations of the force-free aligned pulsar atmosphere

May 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978mnras.183..445a&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 183, May 1978, p. 445-457.

Astronomy and Astrophysics

Astronomy

3

Magnetic Stars, Perturbation, Pulsars, Stellar Atmospheres, Stellar Models, Atmospheric Models, Charge Distribution, Plasma Control

Scientific paper

The stability of a force-free plasma atmosphere about a rotating magnetized neutron star is investigated. The response of the force-free charge density to infinitesimal perturbations is shown to produce regions where the two charge components mix on one side of a force-free surface. These force-free surfaces consist of domes over the poles. The mixed charges recombine and are removed by gravity. The result is a low-density plasma at midlatitudes. The response of plasma shells is also considered, and for low densities the configuration reached is similar to the case of the force-free charge density. For larger densities, a striated atmospheric structure results, whose stability is still in question.

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