A new graph expansion of virial coefficients |
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| Authors: | Karl W Kratky |
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| Institution: | (1) Institut für Experimentalphysik der Universität Wien, Boltzmanngasse 5, A-1090 Wien, Austria |
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| Abstract: | It is well known that the virial coefficients of the pressure of thermodynamic systems can be represented in terms of graphs. The existing graph expansions are compared with a new one, the overlap graph expansion. The merits of overlap graphs in general and especially for hard disks and spheres are discussed. |
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| Keywords: | Statistical mechanics virial coefficients cluster integrals graph expansions hard disks hard spheres |
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