Article

# Effective field theory: A complete relativistic nuclear model

09/2003;
Source: arXiv

ABSTRACT We analyzed the results for finite nuclei and infinite nuclear and neutron matter using the standard $\sigma-\omega$ model and with the effective field theory. For the first time, we have shown here quantitatively that the inclusion of self-interaction of the vector mesons and the cross-interaction of all the mesons taken in the theory explain naturally the experimentally observed softness of equation of state without loosing the advantages of standard $\sigma-\omega$ model for finite nuclei. Recent experimental observations support our findings and allow us to conclude that without self- and cross-interactions the relativistic mean field theory is incomplete.

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### Keywords

cross-interaction

cross-interactions

effective field theory

experimentally observed softness

field theory

finite nuclei

infinite nuclear

self-

self-interaction