Analytical solution of the radiative transfer equation for polarized light
A. López Ariste and
Received 2 December 1998 / Accepted 3 August 1999
A new formalism is introduced for the transfer of polarized radiation. Stokes parameters are shown to be four-vectors in a Minkowski-like space and, most strikingly, the radiative transfer equation (RTE) turns out to be an infinitesimal transformation under the Poincaré (plus dilatations) group. A solution to the transfer equation as a finite element of this group is proposed.
Key words: radiative transfer polarization
Send offprint requests to: A. López Ariste
Correspondence to: Arturo.Lopez@obspm.fr
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© European Southern Observatory (ESO) 1999
Online publication: October 14, 1999