Physics – Optics
Scientific paper
Jun 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979phrvd..19.3565m&link_type=abstract
Physical Review D - Particles and Fields, 3rd Series, vol. 19, June 15, 1979, p. 3565-3575.
Physics
Optics
57
Magneto-Optics, Optical Polarization, Plasma-Electromagnetic Interaction, Polarization Characteristics, Radiative Transfer, Vacuum Effects, Absorption Cross Sections, Cold Plasmas, Fine Structure, Frequency Response, High Frequencies, Opacity, Optical Resonance, Plasma Density, Plasma Frequencies, Pulsars, Refractivity, Wave Propagation
Scientific paper
Vacuum polarization effects on radiative opacities in a strong magnetic field are considered. It is shown that the polarization properties and transport of X-ray radiation can be severely altered by the magnetic vacuum effects. The effect becomes important at relatively high frequencies. For typical pulsar magnetic fields and X-ray frequencies, this occurs even for relatively high plasma densities. The Thomson, bremsstrahlung, and cyclotron opacities are thus significantly altered from their usual cold-plasma values. The largest departures are found in the vicinity of the electron gyrofrequency, where the vacuum induces a strongly anisotropic resonant behavior on the ordinary mode.
Meszaros Peter
Ventura Joana
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