Abstract
We report variational calculations, in the hypernetted-chain (HNC)-Fermi-HNC scheme, of one-body density matrices and one-particle momentum distributions for $^{3}\mathrm{He}$-$^{4}\mathrm{He}$ mixtures described by a Jastrow correlated wave function. The $^{4}\mathrm{He}$ condensate fractions and the $^{3}\mathrm{He}$ strength poles are examined and compared with the Monte Carlo available results. The agreement has been found to be very satisfactory. Their density dependence is also studied.
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