Surface density profile and surface tension of the one-component classical plasma

P. Ballone, G. Senatore and M.P. Tosi

Physica A: Statistical Mechanics and its Applications, 1983, vol. 119, issue 1, 356-368

Abstract: The density profile and the interfacial tension of two classical plasmas in equilibrium at different densities are evaluated in the square-density-gradient approximation. For equilibrium in the absence of applied external voltage, the profile is oscillatory in the higher-density plasma and the interfacial tension is positive. The amplitude and phase of these oscillations and the magnitude of the interfacial tension are related to the width of the background profile. Approximate representations of the equilibrium profile by matching of its asymptotic forms are analyzed. A comparison with computer simulation data and a critical discussion of a local density theory are also presented.

Date: 1983
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:119:y:1983:i:1:p:356-368

DOI: 10.1016/0378-4371(83)90166-8

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