Interacting boson model with energy density functionals

International Symposium on Exotic Nuclear Structure From Nucleons 2012

Nomura, K.^1

Institut für Kernphysik, Universität Zu Köln, D-50937 Köln, Germany^1

关键词: Expectation values;    Interacting boson models;    Intrinsic property;    Mapping techniques;    Microscopic energy;    Microscopic study;    Self-consistent mean field;    Transition rates;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/445/1/012015/pdf
DOI  :  10.1088/1742-6596/445/1/012015

来源: IOP

【 摘 要 】

A brief overview of the recent advancement in the microscopic study of the interacting boson model (IBM) is given. A new nucleon-boson mapping method has been proposed recently, that derives the IBM Hamiltonian based on the self-consistent mean-field model with the microscopic energy density functional (EDF). The mean-field total energy surface computed with a given EDF is mapped onto the analogous energy expectation value in the boson condensate, thereby the energy spectrum and the transition rates are generated. Since the EDF framework allows an accurate global description of nuclear intrinsic properties, the IBM is derived in a unified way, basically for any situation of low-energy quadrupole collective states of nuclei. The basic notion of the new mapping technique is sketched.