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In the present study, we have investigated the impact of the tensor force on fission paths, in particular the symmetric and asymmetric barriers in 230 Th, 226 Th, 222 Th and 216 Th isotopes which display an asymmetric to symmetric fission…

Nuclear Theory · Physics 2020-05-13 Remi Bernard , Nathalie Pillet , Luis Robledo , Marta Anguiano

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…

Nuclear Theory · Physics 2014-04-08 Pei Wang , Wei Zuo

We compute from chiral two- and three-body forces the complete quasiparticle interaction in symmetric nuclear matter up to twice nuclear matter saturation density. Second-order perturbative contributions that account for Pauli-blocking and…

Nuclear Theory · Physics 2018-05-30 J. W. Holt , N. Kaiser , T. R. Whitehead

Hyperfine interactions between electron and nuclear spins have been widely used in material science, organic chemistry, and structural biology as a sensitive probe to the local chemical environment through spatial identification of nuclear…

Mesoscale and Nanoscale Physics · Physics 2022-12-28 Jinkyung Kim , Kyungju Noh , Yi Chen , Fabio Donati , Andreas J. Heinrich , Christoph Wolf , Yujeong Bae

The origin of the nuclear tensor interaction in the covariant energy density functional (EDF) is presented in this work, associated with the Fock diagrams of Lorentz scalar and vector couplings. With this newly obtained relativistic…

Nuclear Theory · Physics 2015-04-01 Li Juan Jiang , Shen Yang , Bao Yuan Sun , Wen Hui Long , Huai Qiang Gu

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…

Nuclear Theory · Physics 2016-06-22 P. D. Stevenson , E. B. Suckling , S. Fracasso , M. C. Barton , A. S. Umar

The recently developed effective interaction method for the hyperspherical harmonic formalism is extended to noncentral forces. Binding energies and radii of three- and four-body nuclei are calculated with AV6 and AV14 NN potentials.…

Nuclear Theory · Physics 2009-11-07 Nir Barnea , Winfried Leidemann , Giuseppina Orlandini

Recent ground--state--focused studies of the tensor effects in the mean--field framework are our starting point. On the basis of phenomenological arguments, we indicate regions for acceptable values of the parameters that are associated…

Nuclear Theory · Physics 2015-06-17 Marcella Grasso , Marta Anguiano

The persistent current in three-dimensional mesoscopic rings is investigated numerically. The model is tight-binding one with random site-energies and interaction between electrons. The Hartree-Fock approximation is adopted for the…

Condensed Matter · Physics 2007-05-23 D. Yoshioka , H. Kato

We investigate the tensor force (TF) effect %in the residual interaction on the Gamow-Teller (GT) transitions in four magic nuclei, $^{48}$Ca, $^{90}$Zr, $^{132}$Sn and $^{208}$Pb. The TF is taken into account by using the Br\"uckner…

Nuclear Theory · Physics 2024-02-27 Eunja Ha , Myung-Ki Cheoun , H. Sagawa

The isospin dependence of in-medium nuclear effective interactions is a fundamental issue in nuclear physics and has broad ramifications in astrophysics. Its uncertainties, especially the difference of neutron-proton interactions in the…

Nuclear Theory · Physics 2022-06-15 Bao-An Li , Bao-Jun Cai , Lie-Wen Chen , Wen-Jie Xie , Jun Xu , Nai-Bo Zhang

We present exact Hartree-Fock-Bogoliubov calculations with the finite range density dependent Gogny force using a triaxial basis. For the first time, all contributions to the Pairing and Fock Fields arising from the Gogny and Coulomb…

Nuclear Theory · Physics 2009-11-06 M. Anguiano , J. L. Egido , L. M. Robledo

We approximately investigated pseudospin symmetric solutions of the Dirac equation for attractive radial potential including a Coulomb-like tensor interaction under pseudospin symmetry limit for any spin-orbit quantum number . By using the…

Quantum Physics · Physics 2012-08-03 Majid Hamzavi , M. Eshghi , Sameer M. Ikhdair

The self-energy of nucleons in asymmetric nuclear matter is evaluated employing different realistic models for the nucleon-nucleon interaction. Starting from the Brueckner Hartree Fock approximation without the usual angle-average in the…

Nuclear Theory · Physics 2009-11-10 Kh. S. A. Hassaneen , H. Müther

We present a new Gogny-type finite-range effective interaction including a third Gaussian in the central term. Based on simple arguments valid for an arbitrary radial form factor, the three ranges are fixed from physical grounds, relating…

Nuclear Theory · Physics 2023-08-16 L. Batail , D. Davesne , S. Péru , P. Becker , A. Pastore , J. Navarro

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…

Nuclear Theory · Physics 2017-02-08 Mohammad Reza Shojaei , Mohsen Mousavi

Using SKP force parameters the evolution of nuclear shells has been studied in Hartree-Fock calculations with the inclusion of tensor interaction.

Nuclear Theory · Physics 2013-01-18 Rupayan Bhattacharya

Neutrino tensor interactions have gained prominence in the study of coherent elastic neutrino-nucleus scattering (CE$\nu$NS) recently. We perform a systematical examination of the nuclear effect, which plays a crucial role in evaluating the…

High Energy Physics - Phenomenology · Physics 2025-09-01 Jiajun Liao , Jian Tang , Bing-Long Zhang

We studied the role of the tensor interaction in He isotopes systematically on the basis of the tensor-optimized shell model (TOSM). We use a bare nucleon-nucleon interaction AV8 obtained from nucleon-nucleon scattering data. The…

Nuclear Theory · Physics 2015-05-30 Takayuki Myo , Atsushi Umeya , Hiroshi Toki , Kiyomi Ikeda

We study the effects of the effective range of interaction on the eigenvalues and eigenstates of two particles confined in a three-dimensional (3D) isotropic as well as one- or quasi-one dimensional harmonic (1D) traps. For this we employ…

Atomic Physics · Physics 2016-09-15 Partha Goswami , Bimalendu Deb