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Effects of the short-range tensor interaction on the density-dependence of nuclear symmetry energy are examined by applying an approximate expression for the second-order tensor contribution to the symmetry energy derived earlier by G.E.…

核理论 · 物理学 2011-07-05 Ang Li , Bao-An Li

In many shell model interactions, the tensor force monopole matrix elements often retain systematic trends originating in the bare tensor force. However, in the present work, we find that Isospin T = 0 tensor force monopole matrix elements…

核理论 · 物理学 2020-12-30 Kanhaiya Jha , Pawan Kumar , Shahariar Sarkar , P. K. Raina

A new Skyrme functional has been developed with tensor term guided by ab initio relativistic Brueckner-Hartree-Fock (RBHF) studies on neutron-proton drops. Instead of extracting information on the tensor force from experimental…

核理论 · 物理学 2019-12-09 Shihang Shen , Gianluca Colò , Xavier Roca-Maza

In this paper we solve analytically Dirac equation for Eckart plus Hulthen potentials with Coulomb-like and Yukawa-like tensor interaction in the presence of Spin and Pseudo-spin Symmetry for any k number. The Parametric Nikiforov-Uvarov…

核理论 · 物理学 2017-02-08 Mohammad Reza Shojaei , Mohsen Mousavi

We calculate the single particle spectrum of the double magic nucleus $^{78}$Ni in a Hartree-Fock approach using the Skyrme density-dependent effective interaction containing central, spin-orbit and tensor parts. We show that the tensor…

核理论 · 物理学 2021-08-16 D. M. Brink , Fl. Stancu

The nuclear clustering, as a quantum phase transition phenomenon governed by strong interactions, exhibits characteristics that are highly sensitive to the specific features of nuclear forces. Here, we examine how nuclear deformation and…

核理论 · 物理学 2025-10-17 Zhao Jing Chen , Bao Yuan Sun

The Hartree-Fock-Bogolyubov (HFB) plus proton-neutron quasiparticle random phase approximation (pnQRPA) approach based on Skyrme interaction is applied to study the nuclear $\beta^+$/EC decay for nuclei near the proton magic numbers $Z=$20,…

核理论 · 物理学 2017-10-05 Feng Wu , D. Wu , C. L. Bai , H. Q. Zhang , X. Z. Zhang , F. R. Xu

The $J/\psi$-nucleon interaction is studied by lattice QCD calculations. At the leading order of the derivative expansion, the interaction consists of four terms: the central, the spin-spin, and two types of tensor forces. We determine…

核理论 · 物理学 2020-01-08 Takuya Sugiura , Yoichi Ikeda , Noriyoshi Ishii

We study the spin-orbit splitting ($ls$-splitting) for the proton d-orbits in 23F in the Hartree-Fock framework with the tensor force in the exchange channel. 23F has one more proton around the neutron-rich nucleus 22O. A recent experiment…

核理论 · 物理学 2008-11-26 Satoru Sugimoto , Hiroshi Toki , Kiyomi Ikeda

Background: [elided for arXiv character count] Purpose: With the advancement of computational power it is now possible to undertake TDHF calculations without any symmetry assumptions and incorporate the major strides made by the nuclear…

核理论 · 物理学 2016-06-22 P. D. Stevenson , E. B. Suckling , S. Fracasso , M. C. Barton , A. S. Umar

The tensor-force effects on the evolution of the spin-orbit splittings in the neutron drops are investigated within the framework of the relativistic Hartree-Fock theory. For fair comparisons on the pure mean-field level, the results of the…

核理论 · 物理学 2021-07-27 Zhiheng Wang , Tomoya Naito , Haozhao Liang , Wen Hui Long

In many shell model interactions, the tensor force monopole matrix elements often retain systematic trends originating in the bare tensor force. In this work, however, we note for GX-interactions of \textit{pf}-shell that the seven out of…

核理论 · 物理学 2020-10-28 Kanhaiya Jha , Pawan Kumar , Shahariar Sarkar , P. K. Raina , Sezgin Aydin

We study the Li isotopes systematically in terms of the tensor-optimized shell model (TOSM) by using a bare nucleon-nucleon interaction as the AV8' interaction. The short-range correlation is treated in the unitary correlation operator…

核理论 · 物理学 2015-06-11 Takayuki Myo , Atsushi Umeya , Hiroshi Toki , Kiyomi Ikeda

In the latest version of the QMC model, QMC$\pi$-III-T, the density functional is improved to include the tensor component quadratic in the spin-current and a pairing interaction derived in the QMC framework. Traditional pairing strengths…

It has been shown in the past that in a shell model calculation, restricted to 1Hbar*Omega 1p-1h configurations, the energy splitting between the lowest J=0-, T=0 and J=0-, T=1 states in 16O is mainly due to the tensor component of the…

核理论 · 物理学 2009-10-22 D. C. Zheng , L. Zamic , H. Müther

The spin-dependent nature of the nuclear tensor force is studied in details within the relativistic Hartree-Fock approach. The relativistic formalism for the tensor force is supplemented with an additional Lorentz-invariant tensor formalism…

核理论 · 物理学 2017-12-19 Yao Yao Zong , Bao Yuan Sun

It is well known that non-central nuclear forces, such as the spin-orbital coupling and the tensor force, play important roles in understanding many interesting features of nuclear structures. However, their dynamical effects in nuclear…

核理论 · 物理学 2015-11-17 Jun Xu , Bao-An Li , Wen-Qing Shen , Yin Xia

We investigate the role of odd-odd (with respect to time inversion) couplings in the Skyrme force on collisions of light nuclei, employing a fully three-dimensional numerical treatment without any symmetry restrictions and with modern…

核理论 · 物理学 2009-11-11 J. A. Maruhn , P. -G. Reinhard , P. D. Stevenson , M. R. Strayer

The tensor and spin-orbit forces contribute essentially to the formation of the spin mean field, and give rise to the same dynamical effect, namely spin polarization. In this paper, based on time-dependent density functional calculations,…

核理论 · 物理学 2011-08-25 Yoritaka Iwata , Joachim A. Maruhn

In this work we analyze the tensor-force component of effective interactions appropriate for nuclear shell-model studies, with particular emphasis on the monopole term of the interactions. Standard nucleon-nucleon ($NN$) interactions such…