Frequency sum rules and charge fluctuation spectra in binary ionic mixtures

B. Brami and F. Joly

Physica A: Statistical Mechanics and its Applications, 1986, vol. 139, issue 2, 306-325

Abstract: The explicit analytical expressions of the fourth and sixth frequency moments of the number density correlation functions of binary ionic mixtures in a uniform background are given for any concentration. Using the memory function formalism, we analyse the molecular dynamics results (MD) for charge fluctuation spectra of equimolar H+−He++ mixtures for different coupling parameters. The use of the frequency moments allows us to determine the memory function in a systematic manner. The agreement is good except for long wavelength.

Date: 1986
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:139:y:1986:i:2:p:306-325

DOI: 10.1016/0378-4371(86)90124-X

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