Another Derivation of a Sum Rule for the Two-Dimensional Two-Component Plasma

Abstract

In a two-dimensional two-component plasma, the second moment of the number density correlation function has the simple value $\{12\pi [1-(\Gamma /4){]}^2{\}}^{-1}$, where $\Gamma$ is the dimensionless coupling constant. This result is derived directly by using diagrammatic methods.

10 pages, uses axodraw.sty, elsart.sty, elsart12.sty, subeq.sty; accepted for publication in Physica A, May 2000

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