Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aipc.1379...87g&link_type=abstract
ASTROPHYSICS OF NEUTRON STARS 2010: A Conference in Honor of M. Ali Alpar. AIP Conference Proceedings, Volume 1379, pp. 87-90 (
Astronomy and Astrophysics
Astrophysics
Polar Cap Absorption, X-Ray Sources (Astronomical), Radio, Magnetic Fields, Polar Cap Phenomena, X-Ray Sources, X-Ray Bursts, Radio Emission, Electric And Magnetic Fields, Solar Magnetism
Scientific paper
We discuss the Partially Screened Gap (PSG) model of the pulsar inner accelerator, which implies that the temperature of the polar cap surface is almost equal to the so called critical temperature, which is defined by the strength of the magnetic field at the neutron star surface. Observations of thermal X-ray emission point out an important correlation between the hot spot area and the temperature derived from the blackbody fit. The implied magnetic field at the pole is usually much higher than the conventional dipolar values. Therefore, we believe that the surface magnetic field in radio pulsars is non-dipolar in nature. We argue that major characteristics of the pulsar radiation, including correlation between observed features of X-ray and radio emissions can be naturally explained in the framework of PSG model.
Gil Janusz
Melikidze George
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