Abstract

We calculate the correlation parameter $\ensuremath{\kappa}$ of symmetric nuclear matter in the Brueckner-Hartree-Fock approximation obtained with various modern nucleon-nucleon potentials of high precision. We point out qualitative differences between the potentials and elucidate the consequences for momentum distributions, defect functions, and convergence of the hole-line expansion. The important role of the tensor force is emphasized.

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