Journal de Physique II

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DOI: 10.1051/jp2:1994200
J. Phys. II France 4 (1994) 1289-1298

Entropy determination by scattering data

S. Ciccariello and Y. Hassan

Dipartimento di Fisica "G. Galilei" and sez. I.N.F.M., via Marzolo 8, I-35131 Padova, Italy

(Received 2 September 1993, revised 25 January 1994, accepted 9 May 1994)

Abstract
It is shown that the entropy of simple fluids can be satisfactorily determined (i.e. with a 6 % relative error) from presently known structure factors by considering the Morita and Hiroike cluster expansion through the $O(\rho^4)$ contributions.