Quasi-Particle Picture for Monatomic Gases
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A quasi-particle theory for monatomic gases in equilibrium is formulated and evaluated to yield the exact virial contributions to the thermodynamic state functions in lowest order of the density. Van der Waals blocking has necessarily to be accounted for in occupation number statistics. The quasi-particle distribution function differs from the Wigner function by a bilinear functional thereof. The progress made so far is promising with respect to a corresponding version of kinetic theory.
11 pages, 2 postscript figures, uses 'epsfig.sty'. Submitted to PHYSICA A. More information available at http://obelix.physik.uni-osnabrueck.de/~schnack/
11 pages, 2 postscript figures, uses 'epsfig.sty'. Submitted to PHYSICA A. More information available at http://obelix.physik.uni-osnabrueck.de/~schnack/