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A study of the effect of deformation and pairing on the development of halo nuclei is presented. Exploratory three-body $core+n+n$ calculations show that both the NN interaction and the deformation/excitation of the core hinder the…

Nuclear Theory · Physics 2009-11-11 F. M. Nunes , B. Avez , T. Duguet

Using high resolution DM simulations we study the shape of dark matter halos. Halos become more spherical with decreasing mass. This trend is even more pronounced for the inner part of the halo. Angular momentum and shape are correlated.…

Astrophysics · Physics 2009-11-11 Stefan Gottloeber , Victor Turchaninov

The Relativistic Hartree Bogoliubov (RHB) model is applied in the self-consistent mean-field approximation to the description of the neutron halo in the mass region above the s-d shell. Pairing correlations and the coupling to particle…

Nuclear Theory · Physics 2009-02-11 W. Poeschl , D. Vretenar , G. A. Lalazissis , P. Ring

We have analyzed high resolution N-body simulations of dark matter halos, focusing specifically on the evolution of angular momentum. We find that not only is individual particle angular momentum not conserved, but the angular momentum of…

Astrophysics of Galaxies · Physics 2010-12-10 Laura G. Book , Alyson Brooks , Annika H. G. Peter , Andrew J. Benson , Fabio Governato

We present a systematic study of halo characteristics in the neutron-rich isotopes 28-32Ne within the deformed relativistic Hartree-Bogoliubov theory in continuum (DRHBc). Microscopic density distributions are analyzed in coordinate space,…

Nuclear Theory · Physics 2026-04-07 Heesung Kwon , Kyoungsu Heo , Seonghyun Kim , Eunja Ha , Myung-Ki Cheoun

Using the axially deformed relativistic Hartree-Fock-Bogoliubov (D-RHFB) model, we explore the mechanism behind the parity inversion and halo occurrence in $^{11}$Be, which are well reproduced by the RHF Lagrangian PKA1. It is illustrated…

Nuclear Theory · Physics 2023-03-10 Jing Geng , Yi Fei Niu , Wen Hui Long

The Relativistic Continuum Hartree-Bogoliubov (RCHB) theory, which properly takes into account the pairing correlation and the coupling to (discretized) continuum via Bogoliubov transformation in a microscopic and self-consistent way, has…

Nuclear Theory · Physics 2007-05-23 J. Meng , H. Toki , S. G. Zhou , S. Q. Zhang , W. H. Long , L. S. Geng

A relativistic Hartree-Bogoliubov (RHB) model based on quark-meson coupling is developed, with a new parametrization derived from experimental observables. Using this model, we systematically investigate the ground-state properties of…

Nuclear Theory · Physics 2025-10-28 Renli Xu , Chen Wu , Jian Liu , Bin Hong , Jie Peng , Xiong Li , Ruxian Zhu , Zhizhen Zhao , Zhongzhou Ren

The quasiparticle finite amplitude method based on the deformed relativistic Hartree-Bogoliubov theory in continuum has been developed for the noncharge-exchange multipole response. Taking neutron-rich magnesium isotopes as examples, the…

Nuclear Theory · Physics 2026-02-17 X. F. Jiang , Z. Z. Li , X. W. Sun , J. Meng

A microscopic self-consistent triaxial relativistic Hartree-Bogoliubov theory in continuum (TRHBc), which simultaneously takes into account the triaxiality and pairing correlations as well as continuum effects, is established and applied to…

Nuclear Theory · Physics 2022-12-13 K. Y. Zhang , S. Q. Zhang , J. Meng

Adjustment of the behavior of the potential energy of nuclear deformation, defined as the sum of the energies of lowest-lying occupied single-particle levels in a deformed finite potential with a pairing correction, is considered by taking…

Nuclear Theory · Physics 2021-07-20 G. I. Bykhalo , V. N. Orlin , K. A. Stopani

The predictive power of the deformed relativistic Hartree-Bogoliubov theory in continuum (DRHBc) for nuclear mass is examined in the superheavy region, $102 \le Z \le 120$. The accuracy of predicting the 10 (56) measured (measured and…

Nuclear Theory · Physics 2021-08-11 Kaiyuan Zhang , Xiaotao He , Jie Meng , Cong Pan , Caiwan Shen , Chen Wang , Shuangquan Zhang

Nuclear masses of exotic nuclei are important for both nuclear physics and astrophysics. The deformed relativistic Hartree-Bogoliubov theory in continuum (DRHBc) is capable of providing proper descriptions for exotic nuclei by…

Nuclear Theory · Physics 2025-12-08 C. Pan , Y. C. Yang , X. F. Jiang , X. H. Wu

The nuclear deformations are of fundamental importance in nuclear physics. Recently we developed a multi-dimensionally constrained relativistic Hartree-Bogoliubov (MDCRHB) model, in which all multipole deformations respecting the $V_4$…

Nuclear Theory · Physics 2022-01-19 Kun Wang , Bing-Nan Lu

The systematics are investigated for the charge radii of the even-$Z$ nuclei with $8 \leqslant Z \leqslant 120$ calculated by the deformed relativistic Hartree-Bogoliubov theory in continuum (DRHBc) with the functional PC-PK1, and their…

Nuclear Theory · Physics 2025-07-01 C. Pan , J. Meng

The peak model of structure formation was built more than fifty years ago with the aim to address the origin of dark matter halo rotation in the tidal torque theory (TTT). Paradoxically, it has allowed one to explain and reproduce all halo…

Cosmology and Nongalactic Astrophysics · Physics 2025-12-01 Eduard Salvador-Solé , Alberto Manrique

The nuclear charge radius provides a fundamental probe of nuclear structure, yet experimental data remain rare in the actinide region. Using the deformed relativistic Hartree-Bogoliubov theory in continuum (DRHBc) with the PC-PK1…

Nuclear Theory · Physics 2026-03-10 Ting-Ting Sun , Qi Zhang , Peng Wang , Zi-Dan Huang , Shuang-Quan Zhang

Ground-state properties of neutron-rich $N \approx 28$ nuclei are described in the framework of Relativistic Hartree Bogoliubov (RHB) theory. The model uses the NL3 effective interaction in the mean-field Lagrangian, and describes pairing…

Nuclear Theory · Physics 2016-09-08 G. A. Lalazissis , D. Vretenar , P. Ring , M. Stoitsov , L. Robledo

Low-energy vibrational excitations associated with the fluctuation of quadrupole deformed shapes are discussed within the frame of state-of-the-art Configuration Interaction calculations, actually performed via the Quasi-particle Vacua…

Nuclear Theory · Physics 2025-07-30 Y. Tsunoda , T. Otsuka , N. Shimizu , T. Duguet , Y. Utsuno , T. Abe