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Conference Paper

The Sigma Problem of the Crab Pulsar Wind

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Kirk,  John
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

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Skjaeraasen,  O.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

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Citation

Kirk, J., & Skjaeraasen, O. (2004). The Sigma Problem of the Crab Pulsar Wind. In E. b. F. Camilo, & B. M. Gaensler (Eds.), Young Neutron Stars and Their Environments (pp. 171-174). San Francisco, Calif.: Astronomical Society of the Pacific.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0011-8D81-0
Abstract
The conversion of the Crab pulsar wind from one dominated by Poynting flux close to the star to one dominated by particle-borne energy at the termination shock is considered. The idea put forth by Coroniti (1990) and criticized by Lyubarsky and Kirk (2001) that reconnection in a striped wind is responsible, is generalized to include faster prescriptions for the a priori unknown dissipation rate. Strong acceleration of the wind is confirmed, and the higher dissipation rates imply complete conversion of Poynting flux into particle-borne flux within the unshocked wind.