Effect of elastic and inelastic collisions on the redistribution of resonance radiation

Details Effect of elastic and inelastic collisions on the redistribution of resonance radiation Effect of elastic and inelastic collisions on the redistribution of resonance radiation

May 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979apj...230..184y&link_type=abstract

Astrophysical Journal, Part 1, vol. 230, May 15, 1979, p. 184-193.

Mathematics

Probability

19

Elastic Scattering, Inelastic Collisions, Quantum Statistics, Radiation Distribution, Absorption Spectra, Astrophysics, Elastic Damping, Line Spectra, Matrices (Mathematics), Probability Distribution Functions

Scientific paper

Collisional redistribution of weak resonance radiation is treated in the framework of quantum electrodynamics and quantum statistics. This formalism generates by itself collisional and radiative damping matrices which in former treatments were introduced as phenomenological constants. It is shown that off-diagonal and diagonal elements of the collisional damping matrix may yield contributions of the same order of magnitude to the completely redistributed component of the redistribution function. This implies that inelastic collisions may well redistribute the radiation, contrary to results published in the literature.

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