Artículos de revistas
The Coester line in relativistic mean field nuclear matter
Registro en:
Brazilian Journal of Physics. Sociedade Brasileira de Física, v. 35, n. 1, p. 190-196, 2005.
0103-9733
S0103-97332005000100017
10.1590/S0103-97332005000100017
Autor
Delfino, A.
Malheiro, M.
Timóteo, V. S.
Martins, J. S. Sá
Institución
Resumen
The Walecka model contains essentially two parameters that are associated with the Lorentz scalar (S) and vector (V) interactions. These parameters are related to a two-body interaction consisting of S and V, imposing the condition that the two-body binding energy is fixed. We have obtained a set of different values for the nuclear matter binding energies (B N) at equilibrium densities (rhoo). We investigated the existence of a linear correlation between B N and rhoo, claimed to be universal for nonrelativistic systems and usually known as the Coester line, and found an approximate linear correlation only if V - S remains constant. It is shown that the relativistic content of the model, which is related to the strength of V - S, is responsible for the shift of the Coester line to the empirical region of nuclear matter saturation. 190 196