Radio Pulsar Death Line Revisited: Is PSR J2144-3933 Anomalous?

Details Radio Pulsar Death Line Revisited: Is PSR J2144-3933 Anomalous? Radio Pulsar Death Line Revisited: Is PSR J2144-3933 Anomalous?

May 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aas...19513303z&link_type=abstract

American Astronomical Society, 195th AAS Meeting, #133.03; Bulletin of the American Astronomical Society, Vol. 32, p.880

Astronomy and Astrophysics

Astronomy

1

Scientific paper

A recent discovered 8.5s radio pulsar is clearly located beyond the conventional radio pulsar death line. Here we reinvestigate the radio pulsar ``deathlines'' within the framework of two different types of the polar cap acceleration models. i.e., the vacuum gap model and the space-charge-limited flow model, with either curvature radiation or inverse Compton scattering photons as the source of the pairs. General relativistic frame-dragging is taken into account in both models. We find that the inverse Compton scattering induced space-charge-limited flow model can sustain strong pair production in some long-period pulsars, which allows PSR J2144-3933 to be radio aloud, without assuming special neutron star equation-of-state or ad hoc magnetic field configurations.

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