Energetics of the aligned pulsar magnetosphere

Details Energetics of the aligned pulsar magnetosphere Energetics of the aligned pulsar magnetosphere

Oct 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984ap%26ss.105..339m&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 105, no. 2, Oct. 1984, p. 339-356. Research supported by the University of

Astronomy and Astrophysics

Astrophysics

Pulsar Magnetospheres, Pulsars, Stellar Atmospheres, Kinetic Energy, Potential Energy, Stellar Models

Scientific paper

An energy analysis is performed on two explicit models, due to Jackson (1980 and 1981), of a pulsar with aligned magnetic and rotational axes. The unknown parameters of these models are determined by calculating the minimum total energy states of the models. It is found that the minimum-energy analysis favors states with extended dynamically active magnetospheres with high degrees of corotation. By calculating the total power input to the magnetosphere via collisions in the stellar crust and the total power radiated due to azimuthal drift motion, it is determined that the minimum-energy states are the only states where a power balance can be achieved. Consideration of a loca power-balance condition and dissipative flows in the magnetosphere shows that neither model is completely self-consistent, but one is considerably better than the other. Properties of both models and implications for other models are discussed.

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