Abstract
Jancovici derived the exactr 2 term in the expansion of the screening potential of the one-component plasma (OCP) around r = 0, which led to much improved analysis of the simulation data, but the correspondingly important term has never been calculated for electron-screened plasmas. The Onsager molecule approach provides the strong-coupling-limit result for the OCP screening potentials, features the exact Jancovici r2 term, and gives a comprehensive physical picture of the structure of strongly coupled plasmas. It is used here to derive the Strong-coupling screening potentials of electron-screened plasmas represented by the Yukawa potentials and, in particular, the corresponding Jancovicir 2 term.
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On sabbatical leave from the Nuclear Research Center Negev, P.O. Box 9001, Beer-Sheva, 84190, Israel.
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Rosenfeld, Y., Chabrier, G. Onsager molecules for the Yukawa potentials: Screening potentials and the Jancovici coefficient in strongly coupled electron-screened plasmas. J Stat Phys 89, 283–303 (1997). https://doi.org/10.1007/BF02770766
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DOI: https://doi.org/10.1007/BF02770766