Abstract

We have used the lowest order constrained variational (LOCV) method to calculate some of the ground state properties of the polarized liquid 3 He by inclusion of the three-body cluster energy contribution. It is shown that the contribution of the three-body cluster term for the ground state energy of this system is substantial, especially at high densities. It is also shown that the inclusion of the three-body energy contribution improves our result for the binding energy of the liquid 3 He . It is seen that the magnitude of the three-body cluster energy decreases by increasing the polarization. The magnetic susceptibility of the liquid 3 He has also been computed, showing no spontaneous ferromagnetic phase transition.

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