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Circulating Subbeam Systems and the Physics of Pulsar Emission | | Joanna M. Rankin
; Geoffrey A. E. Wright
; | | Date: |
3 Jun 2003 | | Journal: | Astron.Astrophys.Rev. 12 (2003) 43-69 | | Subject: | astro-ph | | Affiliation: | Univ. of Amsterdam & Vermont), Geoffrey A. E. Wright (Univ. Sussex | | Abstract: | The purpose of this paper is to suggest how detailed single-pulse observations of ``slow’’ radio pulsars may be utilized to construct an empirical model for their emission. It links the observational synthesis developed in a series of papers by Rankin starting in the 1980s to the more recent empirical feedback model of Wright (2003a) by regarding the entire pulsar magnetosphere as a non-steady, non-linear interactive system with a natural built-in delay. It is argued that the enhanced role of the outer gap in such a system indicates an evolutionary link to younger pulsars, in which this region is thought to be highly active, and that pulsar magnetospheres should no longer be seen as being ``driven’’ by events on the neutron star’s polar cap, but as having more in common with planetary magnetospheres and auroral phenomena. | | Source: | arXiv, astro-ph/0306054 | | Services: | Forum | Review | PDF | Favorites | |
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