The scattering of line radiation-I. A generalized redistribution function

Argyros J.D. and Mugglestone D. (1971) The scattering of line radiation-I. A generalized redistribution function. Journal of Quantitative Spectroscopy and Radiative Transfer, 11 11: 1621-1632. doi:10.1016/0022-4073(71)90140-3


Author Argyros J.D.
Mugglestone D.
Title The scattering of line radiation-I. A generalized redistribution function
Journal name Journal of Quantitative Spectroscopy and Radiative Transfer   Check publisher's open access policy
ISSN 0022-4073
Publication date 1971-01-01
Sub-type Article (original research)
DOI 10.1016/0022-4073(71)90140-3
Volume 11
Issue 11
Start page 1621
End page 1632
Total pages 12
Subject 1607 Social Work
3107 Atomic and Molecular Physics, and Optics
Abstract The theory of the frequency redistribution of radiation during scattering is re-investigated with the aim of producing a generalized frequency redistribution function. The assumption, commonly made, that the atom performing the scattering of the radiation has a constant velocity for the duration of the scattering event is not made in the present investigation. As a result a formal theory is developed which does indeed lead to a generalized redistribution function. Two limiting cases are discussed: in one of the limits, we reconsider the case where the velocity of the atom is constant during the scattering event; the other limiting case describes the situation which occurs when the velocity at absorption, of the atom performing the scattering, is completely uncorrelated with its velocity at emission. This latter case is then more fully discussed with a view to overcoming one of the major difficulties encountered with the existing theories of frequency redistribution, i.e. that complete redistribution in the radiation scattered from an atmosphere being viewed by a distant observer can not be predicted.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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Created: Tue, 28 Jun 2016, 18:09:59 EST by System User