L. G. Stenholm
Articles written in Journal of Astrophysics and Astronomy
Volume 1 Issue 2 December 1980 pp 97-100
The conditions for the source functions of a multiplet to be equal are studied for plasmas with and without magnetic fields. It is found that source function equality holds—in addition to the case of collisional predominance—only when the redistribution functions are all identical and no interlocking with other lines occurs. When magnetic fields are present, the assumption of source function equality leads to a violation of the invariance conditions of the scattering matrix and should therefore not be made.
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