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相关论文: TDHF fusion calculations for spherical+deformed sy…

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Measurement of the energy dependence of the fusion cross-sec on at sub-barrier energies provides an important test for theoretical models of fusion. To extend the measurement of fusion cross-sections in the sub-barrier domain for the…

The use of actinide collisions have been suggested as a way to produce neutron rich isotopes of high Z nuclei. The collision dynamics of these reactions can be studied using unrestricted time-dependent Hartree-Fock (TDHF) calculations.…

核理论 · 物理学 2018-05-09 A. S. Umar , C. Simenel

We present analytic expressions of the Coulomb interaction between a spherical and a deformed nuclei which are valid for all separation distance. We demonstrate their significant deviations from commonly used formulae in the region inside…

核理论 · 物理学 2019-08-17 Noboru Takigawa , Tamanna Rumin , Naoki Ihara

A microscopic mean-field description of heavy ions fusion is performed in the framework of the Time-Dependent Hartree-Fock (TDHF) theory using a Skyrme interaction with the SLy4d parametrization. A good agreement with experiments is…

核理论 · 物理学 2008-03-11 Cédric Simenel , Benoît Avez

This article summarizes recent progress in our understanding of the reaction mechanisms leading to the formation of superheavy nuclei in cold and hot fusion reactions. Calculations are done within the Fusion-by-Diffusion (FBD) model using…

核理论 · 物理学 2022-12-14 T. Cap , M. Kowal , K. Siwek-Wilczyńska

We perform a study of $^{16}$O+$^{16}$O fusion at above and below the interaction barrier energies using three-dimensional time-dependent Hartree-Fock (TDHF) calculations at above barrier energies and density-constrained TDHF calculations…

核理论 · 物理学 2013-09-03 C. Simenel , R. Keser , A. S. Umar , V. E. Oberacker

A detailed derivation of the collisional widths of collective vibrations is presented in both quantal and semi-classical frameworks by considering the linearized limits of the extended TDHF and the BUU model with a non-Markovian binary…

核理论 · 物理学 2008-11-26 S. Ayik , O. Yilmaz , A. Gokalp , P. Schuck

The Time-dependent Hartree-Fock (TDHF) theory is applied to the study of heavy ion collisions at energies around the Coulomb barrier. The competition between fusion and nucleon transfer mechanisms is investigated. For intermediate mass…

核理论 · 物理学 2015-06-11 Cédric Simenel , A. Wakhle , Benoît Avez

The possible existence of stable axial octupole and tetrahedral deformations is investigated in $^{80}$Zr and $^{98}$Zr. HFBCS calculations with parity projection have been performed for various parametrizations of the Skyrme energy…

核理论 · 物理学 2008-11-26 K. Zberecki , P. Magierski , P. -H. Heenen , N. Schunck

Background: At energies near the Coulomb barrier, capture reactions in heavy-ion collisions result either in fusion or in quasifission. The former produces a compound nucleus in statistical equilibrium, while the second leads to a…

核理论 · 物理学 2016-05-12 A. S. Umar , V. E. Oberacker , C. Simenel

We recently proposed a scheme to generalize collinear functionals to the noncollinear regime, termed the multicollinear approach. The resulting noncollinear functionals preserve spin symmetry while providing numerically stable higher-order…

化学物理 · 物理学 2025-12-01 Xiaoyu Zhang , Tai Wang , Yi Qin Gao , Yunlong Xiao

It is the aim of this paper to discuss the impact of nuclear fusion on the EOS. This is a timely subject given the expected availability of increasingly exotic beams at rare isotope facilities\,\cite{balantekin2014}. In practice, we focus…

Theoretical studies of photochemical processes require a description of the energy surfaces of excited electronic states, especially near degeneracies, where transitions between states are most likely. Systems relevant to photochemical…

Many-body theories such as dynamical mean field theory (DMFT) have enabled the description of the electron exchange-correlation interactions that are missing in current density functional theory (DFT) calculations. However, there has been…

强关联电子 · 物理学 2021-01-19 A. D. N. James , E. I. Harris-Lee , A. Hampel , M. Aichhorn , S. B. Dugdale

Based on precise Coulomb wave functions (CWFs), we attempt to calculate the fusion cross sections of light nuclei in a complex spherical square-well nuclear potential (i.e., optical potential model). Comparing with experimental benchmark…

核理论 · 物理学 2021-11-10 Binbing Wu , Hao Duan , Jie Liu

We discuss heavy-ion fusion reactions of a well-deformed odd-mass nucleus at energies around the Coulomb barrier. To this end, we consider the $^{16}$O+$^{165}$Ho reaction and take into account the effect of deformation of $^{165}$Ho using…

核理论 · 物理学 2020-01-01 K. Hagino , S. Sakaguchi

The double folding (DF) approach is one of the widely used methods for finding nucleus-nucleus interaction potential. In the present work, the influence of the nuclear matter density on the DF potential and on the Coulomb barrier parameters…

We use the holographic methods to calculate the entanglement entropy for field theories modified by $T\bar{T}$ insertion. Based on the available holographic proposals, this calculation reduces to the holographic computations in AdS with…

高能物理 - 理论 · 物理学 2022-01-26 Kuroush Allameh , Amin Faraji Astaneh , Alireza Hassanzadeh

We consider the entanglement entropies in dS$_d$ sliced (A)dS$_{d+1}$ in the presence of a hard radial cutoff for $2\le d\le 6$. By considering a one parameter family of analytical solutions, parametrized by their turning point in the bulk…

高能物理 - 理论 · 物理学 2019-12-09 Sebastian Grieninger

This work presents three-body calculations of the cross sections for the $^3$He+T $\to$ n+p+$^4$He fusion reaction. These calculations were performed by solving a set of six coupled Faddeev integral equations, utilizing a cluster…

核理论 · 物理学 2025-12-19 M. V. Egorov