Can a slowly rotating neutron star be a radio pulsar?

Details Can a slowly rotating neutron star be a radio pulsar? Can a slowly rotating neutron star be a radio pulsar?

Jan 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005mnras.356.1149i&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 356, Issue 3, pp. 1149-1154.

Astronomy and Astrophysics

Astronomy

1

Stars: Neutron, Pulsars: General, Pulsars: Individual: J2144-3933

Scientific paper

It is shown that the radius of curvature of magnetic field lines in the polar region of a rotating magnetized neutron star can be significantly less than the usual radius of curvature of the dipole magnetic field. The magnetic field in the polar cap is distorted by toroidal electric currents flowing in the neutron star crust. These currents close up the magnetospheric currents driven by the electron-positron plasma generation process in the pulsar magnetosphere. Owing to the decrease in the radius of curvature, electron-positron plasma generation becomes possible even for slowly rotating neutron stars, with PB-2/312 < 10 s, where P is the period of star rotation and B12=B/1012 G is the magnitude of the magnetic field on the star surface.

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