Correlations between critical parameters and bulk properties of nuclear matter

Abstract

The present work starts by providing a clear identification of correlations between critical parameters ($T_c$, $P_c$, ${\rho }_c$) and bulk quantities at zero temperature of relativistic mean-field models (RMF) presenting third and fourth order self-interactions in the scalar field $\sigma$. Motivated by the nonrelativistic version of this RMF model, we show that effective nucleon mass ($M^{\ast }$) and incompressibility ($K_o$), at the saturation density, are correlated with $T_c$, $P_c$, and ${\rho }_c$, as well as, binding energy and saturation density itself. We verify agreement of results with previous theoretical ones regarding different hadronic models. Concerning recent experimental data of the symmetric nuclear matter critical parameters, our study allows a prediction of $T_c$, $P_c$ and ${\rho }_c$ compatible with such values, by combining them, through the correlations found, with previous constraints related to $M^{\ast }$ and $K_o$. An improved RMF parametrization, that better agrees with experimental values for $T_c$, is also indicated.

12 pages, 11 figures. Accepted for publication in Phys. Rev. C

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• Constraints and correlations of nuclear matter parameters from a density-dependent van der Waals model
• Neutron star crustal properties from relativistic mean-field models and bulk parameters effects
• Properties of hot finite nuclei and associated correlations with infinite nuclear matter
• Analysis of critical parameters for nonrelativistic models in symmetric nuclear matter