Self-consistent random-phase approximation based on the relativistic Hartree-Fock theory: Role of rho-tensor coupling

doi:10.1103/PhysRevC.101.064306

	Self-consistent random-phase approximation based on the relativistic Hartree-Fock theory: Role of rho-tensor coupling
	Wang, Zhiheng 1,2,3,4,5; Naito, Tomoya 1,6; Liang, Haozhao 1,6; Long, Wen Hui 2,3,4
刊名	PHYSICAL REVIEW C
	2020-06-12
卷号	101 期号:6 页码:17
ISSN号	0556-2813
DOI	10.1103/PhysRevC.101.064306
通讯作者	Liang, Haozhao(haozhao.liang@riken.jp) ; Long, Wen Hui(longwh@lzu.edu.cn)
英文摘要	The framework of the random-phase approximation (RPA) based on the relativistic Hartree-Fock (RHF) theory is extended to achieve a self-consistent calculation with the rho -meson tensor coupling. The model self-consistency is verified by the check of the isobaric analog state, and it is found that the rho-tensor and rho -vector-tensor couplings play significant roles in maintaining the self-consistency. Using the RHF Lagrangian PKA1, the properties of the Gamow-Teller resonances (GTR) are investigated, in which the roles played by the particle-hole residual interaction of various meson-nucleon couplings are clarified in details. Furthermore, the effects of the tensor force, which is introduced naturally via the Fock terms, are analyzed by comparing the calculations with full Lagrangians and the ones artificially dropping the tensor force components. It is found that for the RHF Lagrangians PKOi (i = 1, 2, 3) and PKA1, the tensor forces play the role mainly via the RHF mean field rather than via the RPA residual interaction in determining the GTR. Moreover, the tensor-force effects are not as strong as those indicated by the Skyrme Hartree-Fock calculations.
资助项目	Natural Science Foundation of China[11905088] ; Natural Science Foundation of China[11675065] ; Natural Science Foundation of China[11875152] ; Natural Science Foundation of China[11711540016] ; JSPS[19J20543] ; JSPS[18K13549] ; China Scholarship Council
WOS关键词	SPIN-ISOSPIN RESPONSES ; NEUTRON-RICH NUCLEI ; MEAN-FIELD ; RESONANCES ; MATTER ; STATES ; DECAY ; EXCITATION ; STRENGTH ; SYMMETRY
WOS研究方向	Physics
语种	英语
出版者	AMER PHYSICAL SOC
WOS记录号	WOS:000539914900001
资助机构	Natural Science Foundation of China ; JSPS ; China Scholarship Council
内容类型	期刊论文
源URL	[http://119.78.100.186/handle/113462/140399]
专题	中国科学院近代物理研究所
通讯作者	Liang, Haozhao; Long, Wen Hui
作者单位	1.RIKEN, Nishina Ctr, Wako, Saitama 3510198, Japan 2.Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Peoples R China 3.Lanzhou Univ, Joint Dept Nucl Phys, Lanzhou 730000, Peoples R China 4.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China 5.Univ Tsukuba, Fac Pure & Appl Sci, Tsukuba, Ibaraki 3058571, Japan 6.Univ Tokyo, Grad Sch Sci, Dept Phys, Tokyo 1130033, Japan
推荐引用方式 GB/T 7714	Wang, Zhiheng,Naito, Tomoya,Liang, Haozhao,et al. Self-consistent random-phase approximation based on the relativistic Hartree-Fock theory: Role of rho-tensor coupling[J]. PHYSICAL REVIEW C,2020,101(6):17.
APA	Wang, Zhiheng,Naito, Tomoya,Liang, Haozhao,&Long, Wen Hui.(2020).Self-consistent random-phase approximation based on the relativistic Hartree-Fock theory: Role of rho-tensor coupling.PHYSICAL REVIEW C,101(6),17.
MLA	Wang, Zhiheng,et al."Self-consistent random-phase approximation based on the relativistic Hartree-Fock theory: Role of rho-tensor coupling".PHYSICAL REVIEW C 101.6(2020):17.