2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/81676We calculate dispersion relations and propagators for the $σ$, $ω$, $ρ$ and $δ$ mesons in relativistic nuclear matter with a proton-neutron asymmetry. In addition to the $σ$-$ω$ and $δ$-$ρ$ mixings already present in symmetric matter, mixing occur between all components of the $σ$-$ω$-$δ$-$ρ$ system when the proton fraction differs from 1/2.29 pages, 8 figures, subm. to J. Phys. GNuclear Theorytext