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Isentropic calculation for thermodynamic properties of polarized liquid ³He by considering the effect of spin-dependent correlation function

G. H. Bordbar

Department of Physics, Shiraz University, Shiraz 71454, Iran

E-mail Address: ghbordbar@shirazu.ac.ir

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S. Hosseini

Department of Physics, Shiraz University, Shiraz 71454, Iran

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, and

A. Poostforush

Department of Physics, Shiraz University, Shiraz 71454, Iran

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https://doi.org/10.1142/S0217979217500977Cited by:1 (Source: Crossref)

Abstract

Correlations in quantum fluids such as liquid ³He continue to be of high interest to scientists. Based on this prospect, the present work is devoted to study the effects of spin–spin correlation function on the thermodynamic properties of polarized liquid ³He such as pressure, velocity of sound, adiabatic index and adiabatic compressibility along different isentropic paths, using the Lennard–Jones potential and employing the variational approach based on cluster expansion of the energy functional. The inclusion of this correlation improves our previous calculations and leads to good agreements with experimental results.

Keywords:

PACS: 03.75.Ss, 05.30.Fk, 05.70.Ce, 64.30.+t, 65.40.Gr, 67.55.-s, 67.55.Cx

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