Retardation effect in finite nuclei in relativistic mean field theory

In the relativistic quantum mean field theory retardation effects are investigated for spherical nuclei throughout the Periodic Table. In a Hartree-Fock calculation retardation affects only the exchange terms; the exchange of {sigma}, {omega}, {rho}, and {pi} mesons and photons are included. We find...

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Bibliographic Details
Published in:Physical review. C, Nuclear physics Nuclear physics, 1991-11, Vol.44 (5), p.1915-1919
Main Authors: Zhang, JK, Onley, DS
Format: Article
Language:English
Subjects:
653001 - Nuclear Theory- Nuclear Structure, Moments, Spin, & Models
BINDING ENERGY
BOSON-EXCHANGE MODELS
CHARGE DENSITY
ENERGY
FIELD THEORIES
HARTREE-FOCK METHOD
HEAVY NUCLEI
MATHEMATICAL MODELS
MEAN-FIELD THEORY
NUCLEAR PHYSICS AND RADIATION PHYSICS
NUCLEI
PARTICLE MODELS
PERIPHERAL MODELS
QUANTUM FIELD THEORY
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Summary:In the relativistic quantum mean field theory retardation effects are investigated for spherical nuclei throughout the Periodic Table. In a Hartree-Fock calculation retardation affects only the exchange terms; the exchange of {sigma}, {omega}, {rho}, and {pi} mesons and photons are included. We find the retardation is important only for the pion; for the other heavier mesons its contribution is negligibly small. The total binding energy of a nucleus can be changed by about 5% when retardation is included. For the electric charge density appreciable difference is observed only for {sup 208}Pb.
ISSN:0556-2813
1089-490X
DOI:10.1103/PhysRevC.44.1915