Relativistic investigations of symmetric and asymmetric nuclear matter - INSPIRE

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Relativistic investigations of symmetric and asymmetric nuclear matter

1993

4 pages

Published in:

Phys.Lett.B 317 (1993) 485-488

Published: 1993

DOI:

10.1016/0370-2693(93)91359-U

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Abstract: (Elsevier)

In the framework of relativistic nuclear field theory the parameters of symmetric and asymmetric nuclear matter are calculated in the relativistic Brueckner-Hartree-Fock and Λ 00 approximation, respectively. The equations are solved self-consistently in the full Dirac space, so avoiding the ambiguities in the choice of the effective scattering amplitude. The results are compared with the standard method, where one only determines the scattering amplitude for positive energy spinors. Furthermore we tested the assumption of momentum independent self-energy. The results for asymmetric matter are in the structure similar to the outcome of the relativistic Hartree-Fock approximation, but differ from the nonrelativistic treatment. The agreement with the empirical values is quite satisfactory.

References(26)

Figures(0)

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