On the long-waves dispersion in Yukawa systems

A useful simplification of the quasilocalized charge approximations (QLCA) method to calculate the dispersion relations in strongly coupled Yukawa fluids is discussed. In this simplified version, a simplest possible model radial distribution function, properly related to the thermodynamic properties...

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Bibliographic Details
Published in:Physics of plasmas 2016-02, Vol.23 (2)
Main Authors: Khrapak, Sergey A., Klumov, Boris, Couëdel, Lénaïc, Thomas, Hubertus M.
Format: Article
Language:English
Subjects:
Computational fluid dynamics
Computer simulation
Distribution functions
Molecular dynamics
Physics
Plasma Physics
Radial distribution
Thermodynamic properties
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Summary:A useful simplification of the quasilocalized charge approximations (QLCA) method to calculate the dispersion relations in strongly coupled Yukawa fluids is discussed. In this simplified version, a simplest possible model radial distribution function, properly related to the thermodynamic properties of the system, is used. The approach demonstrates good agreement with the dispersion relations obtained using the molecular dynamics simulations and the original QLCA in the long-wavelength regime.
ISSN:1070-664X
1089-7674
DOI:10.1063/1.4942169