Propagation of gamma-radiation in strong magnetic fields of pulsars

Details Propagation of gamma-radiation in strong magnetic fields of pulsars Propagation of gamma-radiation in strong magnetic fields of pulsars

Jul 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984ap%26ss.102..327s&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 102, no. 2, July 1984, p. 327-358.

Astronomy and Astrophysics

Astronomy

30

Electromagnetic Wave Transmission, Gamma Ray Astronomy, Pulsars, Stellar Atmospheres, Stellar Magnetic Fields, Stellar Radiation, Landau Damping, Lines Of Force, Magnetic Field Configurations, Magnetospheres, Photons, Polarized Electromagnetic Radiation

Scientific paper

The propagation of gamma-radiation in a strong (greater than 0.1 Bcr) curved magnetic field is considered in detail. Consideration is also given to photon decay and pair creation of photons, particularly the resonance phenomena. Some of the astrophysical consequences of the processes of decay and capturing of photons by a strong curved magnetic field are discussed. It is found that if the value of the magnetic field strength at the polar surface exceeds 10 to the 13th G, the observed gamma-radiation with the energy of about 100 MeV is linearly polarized in the plane that contains the external field and the direction toward the pulsar due to the decay of the mode-3 photons. The extent of the polarization may reach 100 percent near the maximum luminosity of the pulsar. The capture of the photons by a strong magnetic field also results in the bending of their trajectories toward the curvature direction of the magnetic force line.

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