Physics – Plasma Physics
Scientific paper
Mar 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991jqsrt..45..181g&link_type=abstract
Journal of Quantitative Spectroscopy and Radiative Transfer (ISSN 0022-4073), vol. 45, March 1991, p. 181-188. Research supporte
Physics
Plasma Physics
Atomic Spectra, Line Spectra, Particle Collisions, Particle Interactions, Plasma Physics, Approximation, Dipole Moments, Electrostatics, Particle Trajectories, Phase Shift, Van Der Waals Forces
Scientific paper
The phase shift (PS) due to a particle-perturber collision in a plasma has been investigated without using the classical straight-line path approximation. The curvilinear trajectory of the perturber is taken into account through the back reaction. The electrostatic potential interactions and the corresponding shifts of the energy levels are considered by using the leading terms for V only when both, one, or none of the interacting particles are charged or have a permanent electric dipole moment. Thus, the PS is parameterized by at least two indices, n and l. The approach should be especially useful at relatively high plasma densities and at the adiabatic limit.
Czainski A.
Dimitrijevic Milan S.
Grabowski B.
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