Through the Looking Glass: Faraday Conversion in Turbulent Blazar Jets
AbstractFaint levels of circular polarization (Stokes V) have been detected in several relativistic jets. While typically less than a few percent, circular polarization can give us critical insight into the underlying nature of the jet plasma. Circular polarization can be produced through a process known as linear birefringence, in which initially linearly polarized emission produced in one region of the jet is altered by Faraday rotation as it propagates through other regions of the jet with distinct magnetic field orientations. Recently, Marscher has developed the Turbulent Extreme Multi-Zone (TEMZ) model for blazar emission, in which turbulent plasma crossing a standing shock in the jet is represented by a collection of thousands of individual plasma cells, each with distinct magnetic field orientation. In order to test whether the TEMZ model can reproduce circularly polarized radiation at levels comparable to those observed in blazars, I have developed a numerical algorithm to solve the full Stokes equations of polarized radiative transfer. I have embedded this algorithm into the ray-tracing code RADMC3D (
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MacDonald, N.R. Through the Looking Glass: Faraday Conversion in Turbulent Blazar Jets. Galaxies 2016, 4, 50.
MacDonald NR. Through the Looking Glass: Faraday Conversion in Turbulent Blazar Jets. Galaxies. 2016; 4(4):50.Chicago/Turabian Style
MacDonald, Nicholas R. 2016. "Through the Looking Glass: Faraday Conversion in Turbulent Blazar Jets." Galaxies 4, no. 4: 50.
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