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Variational study of 3He-4He mixtures

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The ground-state properties of the 3He-4He mixture are investigated by assuming the wave function to be a product of pair correlations. The antisymmetry of the 3He component is taken into account by Fermi-hypernetted-chain techniques and the results are compared with those obtained from the lowest-order Wu-Feenberg expansion and the boson-boson approximation. A little improvement is found in the 3He maximum solubility. A microscopic theory to calculate 3He static properties such as zero-concentration chemical potential and excess-volume parameter is derived and the results are compared with the experiments.

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FABROCINI, A. and POLLS MARTÍ, Artur. Variational study of 3He-4He mixtures. Physical Review B. 1982. Vol. 25, num. 7, pags. 4533-4540. ISSN 0163-1829. [consulted: 4 of October of 2026]. Available at: https://hdl.handle.net/2445/9737

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