Abstract
The two·body correlations in neutron·rich light nuclei are investigated in the relativistic Brueckner·Hartree·Fock framework. The ground state properties of Li isotopes are studied, after re·examining those of 16 0. To investigate the nuclear structure microscopically, it is neccessary to apply reliable nuclear forces which reproduce two-body data in free space quantitatively. The meson theoretical description of two-nucleon systems in free space has been better established: nucleon-nucleon scattering up to several hundreds of MeV and deuteron structure are well described by the meson exchange model (OBEP), in which the Bethe-Salpeter equation with a three-dimensional reduction is solved. It implies the significance of the ladder type correlations in two-body systems in free space.ll· 2 > The application of the Brueckner equation to nuclear matter in the relativistic framework was performed by some authors and the saturation properties have been reproduced quantitatively using the two-body interactions which reproduce the nucleon-nucleon scattering data and deuteron properties. 2
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