Physics
Scientific paper
Mar 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996r%26qe...39..235m&link_type=abstract
Radiophysics and Quantum Electronics, Volume 39, Issue 3, pp.235-240
Physics
Scientific paper
A model explaining some observational properties of millisecond pulsars is presented in the framework of the general plasma model for pulsar emission developed by Al. Kazbegi, G. Machabeli, and G. Melikidze in a series of papers. In the region of the open magnetic field lines of the pulsar magnetosphere the existence of a relativistic electron-positron plasma penetrated by a primary particle beam is assumed. Wave excitation due to different plasma instabilities is considered. The main properties of pulsar radiation (e.g., existence of “core” and “cone” types of emission, circular polarization, subpulse drift phenomena, pulse nullings, and mode changing) are explained in the most natural way by this model. The observations show that despite the big difference between the physical parameters of the “typical” and millisecond pulsars their observed properties (pulse profiles, polarization, existence of two different modes in emission, frequency evolution, etc.) are more or less similiar and the physical mechanisms of their radiation do not differ fundamentally from each other. Some particular millisecond pulsars are considered based on the model presented, and predictions are made.
Khechinashvili David G.
Melikidze George I.
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