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Effect of Vacuum Polarization in a Strong Magnetic Field and Spectral Features of X-Ray Source Emission

Published online by Cambridge University Press:  12 April 2016

Yu. N. Gnedin*
USSR Academy of Sciences Central Astronomical Observatory196140 Leningrad, Pulkovo, USSR


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In strong magnetic fields of neutron stars electron-positron vacuum behaves as an anisotropic medium. Vacuum influences the generation and propagation of electromagnetic radiation in plasma and changes the spectrum of radiation. As a result the change of cyclotron lines shape and appearance of specific “vacuum lines” should be observed in X-ray spectra of accreting neutron stars.

2. Magnetic Effects
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