Retaining space and time coherence in radiative transfer models

J. Rosato
Phys. Rev. E 91, 053103 – Published 15 May 2015

Abstract

A recent model for radiative transfer that accounts for spatial coherence is extended in such a way as to retain temporal coherence. The method employs Bogoliubov-Born-Green-Kirkwood-Yvon hierarchy techniques. Both spatial and temporal coherence are shown to affect the formation of atomic line spectra. Calculations of Lyman α radiation transport in optically thick divertor plasma conditions are reported as an illustration of the model. A possible extension of the formalism to dense media involving correlations between atoms is discussed in an appendix. A link to partial frequency redistribution modeling is also discussed.

  • Figure
  • Received 18 November 2014

DOI:https://doi.org/10.1103/PhysRevE.91.053103

©2015 American Physical Society

Authors & Affiliations

J. Rosato*

  • Aix-Marseille Université, CNRS, PIIM UMR 7345, F-13397 Marseille Cedex 20, France

  • *joel.rosato@univ-amu.fr

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Issue

Vol. 91, Iss. 5 — May 2015

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