Anatomy of nuclear shape transition in the relativistic mean field theory
Tapas Sil, B. K. Agrawal, J. N. De, S. K. Samaddar
Abstract
A detailed microscopic study of the temperature dependence of the shapes of some rare-earth nuclei is made in the relativistic mean field theory. Analyses of the thermal evolution of the single-particle orbitals and their occupancies leading to the collapse of the deformation are presented. The role of the non-linear σ-field on the shape transition in different nuclei is also investigated; in its absence the shape transition is found to be sharper.
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