Relativistic Hartree-Bogoliubov and QRPA description of exotic nuclear structure

被引：3
|
作者：
Vretenar, D [1 ]
Niksic, T
Ring, P
Paar, N
Lalazissis, GA
Finelli, P
机构：
[1] Univ Zagreb, Fac Sci, Dept Phys, Zagreb 10000, Croatia
[2] Tech Univ Munich, Dept Phys, D-85748 Garching, Germany
[3] Aristotle Univ Thessaloniki, Dept Theoret Phys, GR-54124 Thessaloniki, Greece
[4] Univ Bologna, Dipartimento Fis, I-40126 Bologna, Italy
[5] Ist Nazl Fis Nucl, I-40126 Bologna, Italy
来源：
EUROPEAN PHYSICAL JOURNAL A | 2004年 / 20卷 / 01期
关键词：
D O I：
10.1140/epja/i2002-10325-0
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
The relativistic Hartree-Bogoliubov (RHB) model is extended to include density-dependent meson-nucleon vertex functions. Compared with standard relativistic mean-field effective interactions with non-linear meson-exchange terms, the density-dependent meson-nucleon couplings provide an improved description of asymmetric nuclear matter, neutron matter and nuclei far from stability. The relativistic quasiparticle random-phase approximation (RQRPA) is formulated in the canonical single-nucleon basis of the relativistic Hartree-Bogoliubov (RHB) model. Both in the particle-hole and particle-particle channels, the same interactions are used in the RHB calculation of the ground state and in the matrix equations of the RQRPA. The RHB+RQRPA is employed in the analysis of multipole excitations of neutron-rich oxygen isotopes.
引用
收藏
页码：75 / 80
页数：6
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