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Equation of state; excess free energy; quantum corrections; two-dimensional fluid

A simple theory, based on the physical interpretation of the reciprocal of activity, is developed to evaluate the thermodynamic properties of a two-dimensional fluid in the semi-classical limit. The theory is applied to calculate the quantum corrections to the equation of state and excess free energy of two-dimensional fluids, whose molecules interactvia hard-disc and square-well potential. It is found that the quantum effect increases with the increase of density and decrease of temperature.

L Rai^{1 2} S K Sinha¹

1. Department of Physics, L S College, Bihar University, Muzaffarpur - 842 001, India
2. Department of Physics, M S College, Motihari, India

Published

January 1982

Manuscript received

2 June 1981

Manuscript revised

22 October 1981