Ion core effect on scattering processes in dense plasmas

A pseudopotential approach was used to study the effect of an ionic core on the electron–ion scattering in dense plasmas. Screening of the ion charge is taken into account using the density response function in the long wavelength limit. Additionally, the effect of electronic non-ideality is include...

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Published in:Physics of plasmas 2021-09, Vol.28 (9)
Main Authors: Ramazanov, T. S., Kodanova, S. K., Nurusheva, M. M., Issanova, M. K.
Format: Article
Language:English
Subjects:
Compressibility
Dense plasmas
Elastic scattering
Flux density
Free energy
Ion charge
Ion scattering
Microprocessors
Plasma physics
Plasmas (physics)
Response functions
Scattering cross sections
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description A pseudopotential approach was used to study the effect of an ionic core on the electron–ion scattering in dense plasmas. Screening of the ion charge is taken into account using the density response function in the long wavelength limit. Additionally, the effect of electronic non-ideality is included using the compressibilty sum-rule connecting the local field correction and the exchange-correlation part of the electronic free energy density. Using a screened pseudopotential, we have computed electron–ion scattering phase shifts, the total elastic scattering cross section, and the transport cross section. It is found that the ionic core leads to the strong decrease in the scattering cross sections. Additionally, it is shown that the transport cross section has a non-monotonic dependence on the variation of the ionic core field parameters.
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subjects Compressibility
Dense plasmas
Elastic scattering
Flux density
Free energy
Ion charge
Ion scattering
Microprocessors
Plasma physics
Plasmas (physics)
Response functions
Scattering cross sections
title Ion core effect on scattering processes in dense plasmas
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