Computer Science
Scientific paper
Feb 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aipc..983..148d&link_type=abstract
40 YEARS OF PULSARS: Millisecond Pulsars, Magnetars and More. AIP Conference Proceedings, Volume 983, pp. 148-150 (2008).
Computer Science
Pulsars, Neutron Stars, Radiation Mechanisms, Polarization, Magnetohydrodynamics And Plasmas
Scientific paper
Three nearby objects: PSR B0950+08, B1929+10, and J0437-4715 are among the best studied and least understood radio pulsars. Their pulse profiles exhibit many peculiar properties, such as pedestal emission, double notches and lack of the radius-to-frequency mapping (RFM). We show that these properties can be understood in terms of the radio emission model that is based on inverse Compton scattering of longitudinal plasma waves. For a narrow spectrum of the plasma oscillations the model reproduces the observed narrowing of double notches with frequency. The emission mechanism is broad-band in the sense that different observed radio frequencies are due to differences in electrons' energy and not from different locations of emission regions. This explains the observed lack of RFM in J0437-4715 and the frequency-independent separation between the interpulse and main pulse in B0950+08 and B1929+10.
Dyks Jaroslaw
Rankin Joanna M.
Rudak Bronislaw
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