Constrained relativistic mean field approach with fixed configurations
H. F. Lü, L. S. Geng, J. Meng
Abstract
A diabatic (configuration-fixed) constrained approach to calculate the potential energy surface (PES) of the nucleus is developed in the relativistic mean field model. As an example, the potential energy surfaces of 208Pb obtained from both adiabatic and diabatic constrained approaches are investigated and compared. It is shown that the diabatic constrained approach enables one to decompose the segmented PES obtained in usual adiabatic approaches into separate parts uniquely characterized by different configurations, to follow the evolution of single-particle orbits till very deformed region, and to obtain several well defined deformed excited states which can hardly be expected from the adiabatic PES's.
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