Quasiparticle random phase approximation based on the relativistic Hartree-Bogoliubov model

被引：256

作者：

Paar, N ^{[1
]}

Ring, P

Niksic, T

Vretenar, D

机构：

[1] Tech Univ Munich, Dept Phys, D-85748 Garching, Germany

[2] Univ Zagreb, Fac Sci, Dept Phys, Zagreb 41000, Croatia

来源：

PHYSICAL REVIEW C | 2003年 / 67卷 / 03期

关键词：

D O I：

10.1103/PhysRevC.67.034312

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 quasiparticle random phase approximation (RQRPA) is formulated in the canonical single-nucleon basis of the relativistic Hartree-Bogoliubov (RHB) model. For the interaction in the particle-hole channel effective Lagrangians with nonlinear meson self-interactions are used, and pairing correlations are described by the pairing part of the finite-range Gogny interaction. The RQRPA configuration space includes the Dirac sea of negative-energy states. 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 approach is tested in the example of multipole excitations of neutron-rich oxygen isotopes. The RQRPA is applied in the analysis of the evolution of the low-lying isovector dipole strength in Sn isotopes and N = 82 isotones.

引用

页码：343121 / 3431215

页数：15

共 44 条

[11] Relativistic Hartree-Bogoliubov calculations with finite range pairing forces [J].

GonzalezLlarena, T ;

Egido, JL ;

Lalazissis, GA ;

Ring, P .

PHYSICS LETTERS B, 1996, 379 (1-4) :13-19

[12] Dipole excitations to bound states in 116Sn and 124Sn [J].

Govaert, K ;

Bauwens, F ;

Bryssinck, J ;

De Frenne, D ;

Jacobs, E ;

Mondelaers, W ;

Govor, L ;

Ponomarev, VY .

PHYSICAL REVIEW C, 1998, 57 (05) :2229-2249

[13] LOCAL VERSUS GLOBAL ISOSPIN SYMMETRY IN NUCLEI [J].

IACHELLO, F .

PHYSICS LETTERS B, 1985, 160 (1-3) :1-4

[14] Low-lying collective states in neutron-rich oxygen isotopes via proton scattering [J].

Khan, E ;

Blumenfeld, Y ;

Van Giai, N ;

Suomijärvi, T ;

Alamanos, N ;

Auger, F ;

Colò, G ;

Frascaria, N ;

Gillibert, A ;

Glasmacher, T ;

Godwin, M ;

Kemper, KW ;

Lapoux, V ;

Lhenry, I ;

Maréchal, F ;

Morrissey, DJ ;

Musumarra, A ;

Orr, NA ;

Ottini-Hustache, S ;

Piattelli, P ;

Pollacco, EC ;

Roussel-Chomaz, P ;

Roynette, JC ;

Santonocito, D ;

Sauvestre, JE ;

Scarpaci, JA ;

Volpe, C .

PHYSICS LETTERS B, 2000, 490 (1-2) :45-52

[15] Continuum quasiparticle random phase approximation and the time-dependent Hartree-Fock-Bogoliubov approach [J].

Khan, E ;

Sandulescu, N ;

Grasso, M ;

Van Giai, N .

PHYSICAL REVIEW C, 2002, 66 (02) :243091-243099

[16] Low-lying 2+ states in neutron-rich oxygen isotopes in quasiparticle random phase approximation [J].

Khan, E ;

Van Giai, N .

PHYSICS LETTERS B, 2000, 472 (3-4) :253-257

[17] RELATIVISTIC FIELD-THEORY OF SUPERFLUIDITY IN NUCLEI [J].

KUCHAREK, H ;

RING, P .

ZEITSCHRIFT FUR PHYSIK A-HADRONS AND NUCLEI, 1991, 339 (01) :23-35

[18] Relativistic Hartree-Bogoliubov description of the neutron drip-line in light nuclei [J].

Lalazissis, GA ;

Vretenar, D ;

Poschl, W ;

Ring, P .

NUCLEAR PHYSICS A, 1998, 632 (03) :363-382

[19] New parametrization for the Lagrangian density of relativistic mean field theory [J].

Lalazissis, GA ;

Konig, J ;

Ring, P .

PHYSICAL REVIEW C, 1997, 55 (01) :540-543

[20] Photoneutron cross sections for unstable neutron-rich oxygen isotopes [J].

Leistenschneider, A ;

Aumann, T ;

Boretzky, K ;

Cortina, D ;

Cub, J ;

Pramanik, UD ;

Dostal, W ;

Elze, TW ;

Emling, H ;

Geissel, H ;

Grünschloss, A ;

Hellstr, M ;

Holzmann, R ;

Ilievski, S ;

Iwasa, N ;

Kaspar, M ;

Kleinböhl, A ;

Kratz, JV ;

Kulessa, R ;

Leifels, Y ;

Lubkiewicz, E ;

Münzenberg, G ;

Reiter, P ;

Rejmund, M ;

Scheidenberger, C ;

Schlegel, C ;

Simon, H ;

Stroth, J ;

Sümmerer, K ;

Wajda, E ;

Walús, W ;

Wan, S .

PHYSICAL REVIEW LETTERS, 2001, 86 (24) :5442-5445

← 1 2 3 4 5 →