The thermodynamic properties of normal liquid helium 3

M. Modarres and H.R. Moshfegh

Physica A: Statistical Mechanics and its Applications, 2009, vol. 388, issue 17, 3297-3306

Abstract: The thermodynamic properties of normal liquid helium 3 are calculated by using the lowest order constrained variational (LOCV) method. The Landau Fermi liquid model and Fermi–Dirac distribution function are considered as our statistical model for the uncorrelated quantum fluid picture and the Lennard–Jones and Aziz potentials are used in our truncated cluster expansion (LOCV) to calculate the correlated energy. The single particle energy is treated variationally through an effective mass. The free energy, pressure, entropy, chemical potential and liquid phase diagram as well as the helium 3 specific heat are evaluated, discussed and compared with the corresponding available experimental data. It is found that the critical temperature for the existence of the pure gas phase is about 4.90 K (4.45 K), which is higher than the experimental prediction of 3.3 K, and the helium 3 flashing temperature is around 0.61 K (0.50 K) for the Lennard–Jones (Aziz) potential.

Keywords: Quarks, gluons, and QCD in nuclear reactions; Quark–gluon plasma; Bag model; Relativistic heavy-ion collisions (search for similar items in EconPapers)
Date: 2009
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:388:y:2009:i:17:p:3297-3306

DOI: 10.1016/j.physa.2009.04.042

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