Abstract

The pass of polarized radiation in magnetized atmosphere is described by the system of connected radiative transfer equations for the Stokes parameters. At multiple scattering of radiation it is necessary to know how the change of the Stokes parameters between the cases of scattering occurs. The paper presents the explicit formulas describing the transformation of the Stokes parameters for the number of situations. These formulas describe directly the transformation of the Stokes parameters in optically thin circumstellar envelopes. The formulas for mutiply scattered radiation in the system of transfer equations take into account this transformation of the Stokes parameters. The basic parameter in all cases is x = ωB/ω = 0.933 × 10−8λ(μ)B(G), where ωB is cyclotron frequency of the electron rotation and ω is the frequency of monochromatic radiation.

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