Figure 35: Variation of the adiabatic index of supernova matter with mass density for three
different EoSs with trapped neutrinos: Lattimer and Swesty [255] (compressible liquid drop model),
Shen [374, 375] (relativistic mean field theory in the local density approximation) and Wolff [197]
(Hartree–Fock with Skyrme nucleon-nucleon interaction). The lepton fraction is and the
entropy per nucleon is equal to .
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