【摘 要】
：
The tensor-force effects on the evolution of spin-orbit splittings in neutron drops are investigated within the framework of the relativistic Hartree-Fock theory.For a fair comparison on the pure mean-field level,the results of the relativistic Brueckner-
【机 构】
：
School of Nuclear Science and Technology,Lanzhou University,Lanzhou 730000,China;Department of Physi
论文部分内容阅读
The tensor-force effects on the evolution of spin-orbit splittings in neutron drops are investigated within the framework of the relativistic Hartree-Fock theory.For a fair comparison on the pure mean-field level,the results of the relativistic Brueckner-Hartree-Fock calculation with the Bonn A interaction are adopted as meta-data.Through a quantitative analysis,we certify that the π-pseudovector (π-PV) coupling affects the evolutionary trend through the embedded tensor force.The strength of the tensor force is explored by enlarging the strength fπ of the π-PV coupling.It is found that weakening the density dependence of fπ is slightly better than enlarging it with a factor.We thus provide a semiquantitative support for the renormalization persistency of the tensor force within the frame-work of density functional theory.This will serve as important guidance for further development of relativistic ef-fective interactions with particular focus on the tensor force.
其他文献
Inspired by the newly observed X0(2900) and X1 (2900) states at LHCb,the K*(D)* and K(D)1 interactions are studied in the quasipotential Bethe-Salpeter equation approach combined with the one-boson-exchange model.The bound and virtual states from the inte
First-principle calculations within the density functional theory framework are used to study the probab-ility of electron capture for the 7Be nucleus.For this purpose,electron density at the 7Be nucleus is computed in A1,Au,Pd,Pt,and Pb environments.Our
The formation of large size clusters,and/or their relative motion as a possible excitation mode,are sug-gested to be closely related to the origin of deformation in specific cases,namely the case of two doubly-magic clusters or two clusters with nearby ch
We studied the pair production of charged scalar particles of a five-dimensional near extremal Reissner-Nordstr(o)m-Anti de Sitter (RN-AdS5) black hole.The pair production rate and the absorption cross section ratio in full spacetime are obtained and are
The Back-n white neutron source (known as Back-n) is based on back-streaming neutrons from the spal-lation target at the China Spallation Neutron Source (CSNS).With its excellent beam properties,e.g.,a neutron flux of approximately 1.8×107 n/cm2/s at 55 m
From a Bayesian analysis of the electric dipole polarizability,the constrained energy of isovector giant dipole resonance,the peak energy of isocalar giant quadrupole resonance,and the constrained energy of isocalar gi-ant monopole resonance in 208Pb,we e
In this article,we consider the ratio of structure functions for heavy quark pair production at low values of x.The importance of this ratio for charm and beauty pair production is examined according to the Hadron Elec-tron Ring Accelerator (HERA) data.Th
Neutrons tunneling to the classically forbidden (CF) region in the neutron-rich nucleus 68Ca are invest-igated in the Skyrme Hartree-Fock (HF) and Hartree-Fock-Bogoliubov (HFB) models.The definition of the CF re-gion is examined in the HF model by using d
In this paper,we explore the properties of holographic entanglement entropy (HEE),mutual information(MI) and entanglement of purification (EoP) in holographic Lifshitz theory.These informational quantities exhibit some universal properties of holographic
In this paper,we analyze the dependence of the topological charge density from the overlap operator on the Wilson mass parameter in the overlap kernel by the symmetric multi-probing source (SMP) method.We observe that non-trivial topological objects are r