An analytical plasma screening potential based on the self-consistent-field ion-sphere model

The radial dependence of the free electron density within the ion sphere radius in finite temperature dense plasmas shows characteristic scaling laws that permit us to derive analytical plasma screening potentials. A generalized analytical approach is developed which shows good agreement with self-c...

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Bibliographic Details
Published in:Physics of plasmas 2019-03, Vol.26 (3)
Main Authors: Li, X., Rosmej, F. B., Lisitsa, V. S., Astapenko, V. A.
Format: Article
Language:English
Subjects:
Atomic Physics
Dense plasmas
Dependence
Electron density
Free electrons
Mathematical analysis
Mathematical models
Physics
Plasma
Plasma physics
Quantum mechanics
Scaling laws
Screening
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Summary:The radial dependence of the free electron density within the ion sphere radius in finite temperature dense plasmas shows characteristic scaling laws that permit us to derive analytical plasma screening potentials. A generalized analytical approach is developed which shows good agreement with self-consistent quantum mechanical calculations. It is empirically discovered that anomalous strong scaling in the analytical model provides agreement with data obtained in a regime where the lattice structure still prevails.
ISSN:1070-664X
1089-7674
DOI:10.1063/1.5055689