Abstract

The zero-order Landau-Migdal parameters are discussed in the framework of the Brueckner-Hartree-Fock approximation with realistic two- and three-body forces. Their usefulness is proved in two applications. First, the structure functions in high-density nuclear matter are calculated within the linear response theory to weak probes and the neutrino mean free path is predicted for neutron stars. Second, the screening of the low-density neutron matter to the neutron pairing is calculated in the RPA without and with induced interaction. The extension of the calculation to symmetric nuclear matter reveals the anti-screening effect of the proton medium polarization.

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