Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006chjas...6b.105g&link_type=abstract
Chinese Journal of Astronomy and Astrophysics, Supplement, Volume 6, Issue S2, Proceedings of the 2005 Lake Hanas International
Astronomy and Astrophysics
Astrophysics
Pulsars: Drifting Subpulses, Radio Emission, X-Ray Thermal Radiation
Scientific paper
The problem of formation of a partially screened inner acceleration region for 102 pulsars with drifting subpulses is considered. It is argued by means of the condition Tc/Ts>1 (where Tc is the critical temperature above which the surface delivers thermal flow at the corotation limited level and Ts is the actual surface temperature) that an efficient acceleration region can be formed in a very strong and curved, non-dipolar surface magnetic field, even exceeding 1014 G in general. Both positively and negatively charged polar caps are considered. Also, both curvature radiation as well as resonant inverse Compton radiation seed photons are taken into account. It is argued that the former mechanism is much more likely to account for the sparking discharge of the partially screened inner acceleration region in pulsars.
Gil Janusz
Melikidze George
Zhang Bing
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