Nuclear Breathing Mode in the Relativistic Mean Field Theory

Details Nuclear Breathing Mode in the Relativistic Mean Field Theory Nuclear Breathing Mode in the Relativistic Mean Field Theory

1994-11-20

arxiv.org/abs/nucl-th/9411018v1

Physics

Nuclear Physics

Nuclear Theory

Latex (12 pages) and 3 figures (available upon request) J. Phys. G (in press)

Scientific paper

The breathing-mode giant monopole resonance is studied within the framework of the relativistic mean-field (RMF) theory. Using a broad range of parameter sets, an analysis of constrained incompressibility and excitation energy of isoscalar monopole states in finite nuclei is performed. It is shown that the non-linear scalar self-interaction and the resulting surface properties influence the breathing-mode considerably. It is observed that dynamical surface properties respond differently in the RMF theory than in the Skyrme approach. A comparison is made with the incompressibility derived from the semi-infinite nuclear matter and with constrained nonrelativistic Skyrme Hartree-Fock calculaions.

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