Covariant density functional theory and applications in nuclear physics and r-process

P W Zhao,J Meng,Z P Li,P Ring,S G Zhou,L L Li,J M Yao,Z M Niu,S Ershov,A Vdovin,A Zubov,T Shneydman

doi:10.1051/epjconf/20123802001

Abstract

The covariant density functional theory (CDFT) with a few number of parameters allows a very successful description of the properties of nuclei all over the nuclear chart. The recent progress on the application of the CDFT as well as its extensions for a series of interesting and hot topics in nuclear structure and nuclear astrophysics are summarized. In particular, the newly proposed point-coupling parametrization PC-PK1 and the application of the CDFT to the single particle level of the radioactive neutron-rich doubly magic nucleus 132 Sn, the deformed halo in nuclei, and the β decay life-time of neutron rich nuclei are discussed in details.

Highlights

In the past decades, the radioactive ion beams (RIB) have extended our knowledge of nuclear physics from the stable nuclei to the unstable nuclei far away from the stability line — the so-called “exotic nuclei”
The newly proposed point-coupling parametrization PC-PK1 and the application of the covariant density functional theory (CDFT) to the single particle level of the radioactive neutron-rich doubly magic nucleus 132Sn, the deformed halo in nuclei, and the β decay life-time of neutron rich nuclei are discussed in details
We presented the recent progress in the application of the CDFT as well as its extensions by the group in Beijing for a series of interesting and hot topics in nuclear structure and nuclear astrophysics including

Summary

Introduction

The radioactive ion beams (RIB) have extended our knowledge of nuclear physics from the stable nuclei to the unstable nuclei far away from the stability line — the so-called “exotic nuclei”. The density functional theory (DFT) is well known for its numerous applications to description of nuclear ground and excited states. There are two widely used models in the covariant density functional theory (CDFT) framework: the relativistic Hartree (RH) and relativistic Hartree-Fock (RHF) models. The former one is usually known as the relativistic mean field (RMF) model. – a study of β decay life-time of neutron rich nuclei based on self-consistent covariant quasiparticle random phase approximation [16]. In this contribution, these topics will be discussed in details

PC-PK1 parametrization

Neutron single-particle spectrum in 132Sn

Deformed halo in nuclei

Beta decay of neutron rich nuclei

Summary