Abstract
Propagation of zero sound in dense neutron matter is investigated within the framework of the Landau theory of normal Fermi liquids. The effect of the spin polarization of the medium is studied. A calculation performed using the quasi-particle interaction derived from the Reid soft-core nucleon-nucleon potential shows that zero sound can propagate in neutron matter for densities greater than ϱ ∗ ≈ 0.4–0.5 neutrons/fm 3 , and is strongly damped at densities below ϱ ∗.
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