Journal of Chemical Physics 2009-06-21

Static dielectric properties of polarizable ion models: molecular dynamics study of molten AgI and NaI.

Vicente Bitrián, Olga Alcaraz, Joaquim Trullàs

Index: J. Chem. Phys. 130(23) , 234504, (2009)

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Abstract

The fluctuation-dissipation theorem for the static dielectric response function of systems of ions with inducible point dipoles is derived. It is shown that the static longitudinal dielectric function is determined by spatial correlations of both charge and dipole-moment density fluctuations. Moreover, it is deduced that the long-wavelength behavior of the charge structure factor for polarizable ion systems is different from that for systems of rigid ions. Molecular dynamics simulation results of rigid and polarizable ion models for molten AgI and NaI are reported.

Related Compounds

  • Silver iodide

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