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We adapt the local density approximation to add the high-momentum tails(HMTs) to finite nuclei's Slater-determinant momentum distributions. The HMTsare extracted by the extended Brueckner-Hartree-Fock (EBHF) method or by thelowest order cluster approximation. With a correction factor being added toEBHF, it is sufficiently in agreement with the experimental benchmark, i.e.,the high-momentum $N/Z$ ratios approximately equal to $1$, and the low-momentum$N/Z$ ratios approximately equal to $N/Z$ of the systems. It is also found thatthe tensor force makes the nucleon-nucleon correlations appear more easily onthe nuclear surface region and the percentage of high-momentum ($p > 300$MeV/c) nucleons, around $17\%$--$18\%$, independent of isospin asymmetry.

A local-density-approximation description of high-momentum tails in isospin asymmetric nuclei