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Abstract
view Abstract Citations (20) References (13) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Further comments on the effects of vacuum birefringence on the polarization of X-rays emitted from magnetic neutron stars. Chanan, G. A. ; Novick, R. ; Silver, E. H. Abstract The birefringence of the vacuum in the presence of strong (of the order of 1 teragauss) magnetic fields will in general affect the polarization of X-rays propagating through these fields. Two of the four Stokes parameters will vary so rapidly with wavelength as to be 'washed out' and unobservable, but the remaining two parameters will be unaffected. These results show that one conclusion of an earlier work is incorrect: Polarized X-ray emission from the surface of a magnetic neutron star will not in general be completely depolarized by the effects of vacuum birefringence. In particular, this birefringence has no effect on the linear polarization of cyclotron emission from the poles of magnetic neutron stars, and a similar result holds for synchrotron emission. More general cases of the propagation of polarized X-rays in magnetic fields are also discussed. Publication: The Astrophysical Journal Pub Date: March 1979 DOI: 10.1086/182906 Bibcode: 1979ApJ...228L..71C Keywords: Birefringence; Magnetic Stars; Neutron Stars; Polarization Characteristics; X Ray Sources; Cyclotron Radiation; Depolarization; Linear Polarization; Stellar Magnetic Fields; Synchrotron Radiation; Astrophysics; Magnetic Stars:Neutron Stars; Magnetic Stars:X Rays; Neutron Stars:X Rays; Polarization:X Rays full text sources ADS |
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