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The contribution of the tensor interaction in Hartree-Fock calculations for closed shell nuclei is studied. The investigation is done neglecting the spin-orbit component of the force. As expected from nuclear matter estimates we find that…

核理论 · 物理学 2022-03-02 Giampaolo Co' , Antonio M. Lallena

The influence of the tensor interaction of nucleons on the characteristics of neutron-rich silicon and nickel isotopes was studied in this work. Tensor forces are taken into account within the framework of the Hartree-Fock approach with the…

核理论 · 物理学 2024-01-23 S. V. Sidorov , A. S. Kornilova , T. Yu. Tretyakova

A systematic study of the effect of tensor force on the evolution of shell structure in even-even super-heavy nuclei in the region of proton numbers Z=114, 120 and 126 and in the region of neutron numbers 178 $\le$ N $\le$ 188 is presented.…

核理论 · 物理学 2022-02-11 M. El Adri , M. Oulne

[Background] While the tensor interaction has been shown to significantly affect the nuclear structure of exotic nuclei, its influence on nuclear reactions has only recently been investigated. The primary reason for this neglect is the fact…

核理论 · 物理学 2019-11-27 K. Godbey , Lu Guo , A. S. Umar

We present the evolution of the shell structure of nuclei in Hartree-Fock calculations using Skyrme's density-dependent effective nucleon-nucleon interaction. The role of the tensor part of the Skyrme interaction to the Hartree-Fock…

核理论 · 物理学 2008-11-26 D. M. Brink , Fl. Stancu

We study the role of the tensor term of the Skyrme effective interactions on the spin-orbit splittings in the N=82 isotones and Z=50 isotopes. The different role of the triplet-even and triplet-odd tensor forces is pointed out by analyzing…

核理论 · 物理学 2008-11-26 G. Colo' , H. Sagawa , S. Fracasso , P. F. Bortignon , .

Tensor force is an important component in the nucleon-nucleon interaction, nevertheless, the role of the tensor force in the spin properties in finite nuclei is much less clear. In this report, we mainly focus on our recent progress on this…

核理论 · 物理学 2019-01-30 Shihang Shen , Haozhao Liang , Jie Meng , Peter Ring , Shuangquan Zhang

Background: The tensor interaction is known to play an important role in the nuclear structure studies of exotic nuclei. However, most microscopic studies of low-energy nuclear reactions neglect the tensor force, resulting in a lack of…

核理论 · 物理学 2018-12-19 Lu Guo , K. Godbey , A. S. Umar

We address consequences of strong tensor and weak spin-orbit terms in the local energy density functional, resulting from fits to the $f_{5/2} - f_{7/2}$ splittings in $^{40}$Ca, $^{48}$Ca, and $^{56}$Ni. In this study, we focus on nuclear…

核理论 · 物理学 2010-01-06 M. Zalewski , W. Satula , J. Dobaczewski , P. Olbratowski , M. Rafalski , T. R. Werner , R. A. Wyss

The effect of tensor force on the density dependence of nuclear symmetry energy has been investigated within the framework of the Brueckner-Hartree-Fock approach. It is shown that the tensor force manifests its effect via the tensor…

核理论 · 物理学 2014-04-08 Pei Wang , Wei Zuo

The role of the tensor part of the nuclear interaction is actively investigated in recent years due to experimental advancement yielding new data in nuclei far from the $\beta$-stability line. In this article we study the effect of this…

核理论 · 物理学 2021-06-23 Kai-Wen Kelvin-Lee , Meng-Hock Koh , Ludovic Bonneau

Quantum shell effects drive many aspects of many-body quantal systems and their interactions. Among these are the quasifission reactions that impede the formation of a compound nucleus in superheavy element (SHE) searches. Fragment…

核理论 · 物理学 2022-09-14 Liang Li , Lu Guo , K. Godbey , A. S. Umar

A systematic and specific pattern due to the effects of the tensor forces is found in the evolution of spin-orbit splittings in neutron drops. This result is obtained from relativistic Brueckner-Hartree-Fock theory using the bare…

核理论 · 物理学 2018-02-06 Shihang Shen , Haozhao Liang , Jie Meng , Peter Ring , Shuangquan Zhang

We study systematically the impact of the time-even tensor terms of the Skyrme energy density functional, i.e. terms bilinear in the spin-current tensor density, on deformation properties of closed shell nuclei corresponding to 20, 28, 40,…

核理论 · 物理学 2009-12-14 M. Bender , K. Bennaceur , T. Duguet , P. -H. Heenen , T. Lesinski , J. Meyer

We present a study of the effects of the tensor-isospin term of the effective interaction in Hartree-Fock and Random Phase Approximation calculations. We used finite-range forces of Gogny type, and we added to them a tensor-isospin term…

核理论 · 物理学 2011-07-04 M. Anguiano , G. Co' , V. De Donno , A. M. Lallena

We study the effect of tensor correlations on single-particle and collective states within Skyrme Hartree-Fock and RPA model. Firstly, We study the role of tensor interactions in Skyrme effective interaction on the spin-orbit splittings of…

核理论 · 物理学 2009-10-29 H. Sagawa

In this work we study the effect of the nuclear tensor force on properties related with deformation. We focus on isotopes in the Mg, Si, S, Ar, Sr and Zr chains within the Hartree-Fock-Bogoliubov theory using the D1ST2a Gogny interaction.…

核理论 · 物理学 2016-05-18 Rémi N. Bernard , Marta Anguiano

The tensor force, as an important component of strong nuclear force, generates a variety of intriguing effects ranging from few-body systems to neutron stars. It is responsible for the nucleon-nucleon correlation beyond mean-field…

核理论 · 物理学 2020-01-10 J. M. Dong , X. L. Shang

Within the relativistic Brueckner-Hartree-Fock theory in the full Dirac space, the tensor-force effects on infinite nuclear matter are elucidated by subtracting the matrix elements of tensor forces from the realistic nucleon-nucleon…

核理论 · 物理学 2024-06-04 Sibo Wang , Hui Tong , Chencan Wang , Qiang Zhao , Peter Ring , Jie Meng

The role of tensor force on the collision dynamics of $^{16}$O+$^{16}$O is investigated in the framework of a fully three-dimensional time-dependent Hartree-Fock theory. The calculations are performed with modern Skyrme energy functional…

核理论 · 物理学 2014-10-22 Gao-Feng Dai , Lu Guo , En-Guang Zhao , Shan-Gui Zhou
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