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Related papers: Rotating deformed halo nuclei and shape decoupling…

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The paper considers rotations at different scales in granular materials: the rotations of individual particles, the rolling and rigid-rotation of particle pairs, the rotational interactions of a particle within its cluster of neighbors, and…

Soft Condensed Matter · Physics 2019-01-23 Matthew R. Kuhn , Katalin Bagi

The near universality of DM halo density profiles provided by N-body simulations has proven to be robust against changes in total mass density, power spectrum, and some forms of initial velocity dispersion. In this letter we study the…

Astrophysics of Galaxies · Physics 2018-08-21 Erik W. Lentz , Thomas R. Quinn , Leslie J. Rosenberg

Nuclear halo structure and restoration of relativistic symmetry are studied within the framework of the relativistic Hartree-Fock-Bogoliubov (RHFB) theory. Giant halos as well as ordinary ones are found in Cerium isotopes close to the…

Nuclear Theory · Physics 2010-04-14 Wen Hui Long , Peter Ring , Jie Meng , Nguyen Van Giai , Carlos A. Bertulani

We study the angular momentum profile of dark matter halos for a statistical sample drawn from a set of high-resolution cosmological simulations of $256^3$ particles. Two typical Cold Dark Matter (CDM) models have been analyzed, and the…

Astrophysics · Physics 2009-11-07 D. N. Chen , Y. P. Jing

We propose that angular momentum transfer from the baryons to the Dark Matter (DM) during the early stages of galaxy formation can flatten the halo inner density profile and modify the halo dynamics. We compute the phase-space distribution…

Astrophysics · Physics 2011-02-11 Chiara Tonini , Andrea Lapi , Paolo Salucci

The emergence and stability of static hexadecapole deformations as well as the impact in the development of dynamic deformation due to collective motion considering quadrupole-hexadecapole coupling are studied for a selected set of radium,…

Nuclear Theory · Physics 2025-02-10 R. Rodriguez-Guzman , L. M. Robledo

The angular momentum properties of virialised dark matter haloes have been measured with good statistics in collisionless N-body simulations, but an equally accurate analysis of the baryonic spin is still missing. We employ the Illustris…

Cosmology and Nongalactic Astrophysics · Physics 2017-01-18 Jolanta Zjupa , Volker Springel

We obtain predictions for the properties of cold dark matter annihilation radiation using high resolution hydrodynamic zoom-in cosmological simulations of Milky Way-like galaxies (APOSTLE project) carried out as part of the "Evolution and…

Recently long-lived high spin super- and hyperdeformed isomeric states with unusual radioactive decay properties have been discovered. Based on these newly observed modes of radioactive decay, consistent interpretations are suggested for…

Nuclear Theory · Physics 2009-09-29 A. Marinov , S. Gelberg , D. Kolb , R. Brandt , A. Pape

We report a series of high-resolution cosmological N-body simulations designed to explore the formation and properties of dark matter halos with masses close to the damping scale of the primordial power spectrum of density fluctuations. We…

Astrophysics · Physics 2009-11-13 P. Colin , O. Valenzuela , V. Avila-Reese

The ground-state properties of nuclei with 8 $\le$ Z $\le$ 120 from the proton drip line to the neutron drip line have been investigated using the relativistic continuum Hartree-Bogoliubov (RCHB) theory with the relativistic density…

Nuclear Theory · Physics 2018-06-05 X. W. Xia , Y. Lim , P. W. Zhao , H. Z. Liang , X. Y. Qu , Y. Chen , H. Liu , L. F. Zhang , S. Q. Zhang , Y. Kim , J. Meng

Halo is one of the most interesting phenomena in exotic nuclei especially for $^{31}$Ne, which is deemed to be a halo nucleus formed by a $p-$wave resonance. However, the theoretical calculations don't suggest a $p-$wave resonance using the…

Nuclear Theory · Physics 2017-08-02 Ya-Juan Tian , Quan Liu , Tai-Hua Heng , Jian-You Guo

In order to study non-zero spin excitations of the recently proposed alpha-cluster condensation in the self-conjugate 4n nuclei, spatial deformation is introduced into the model wave function of the alpha-cluster condensate. The rotational…

Nuclear Theory · Physics 2009-11-07 Yasuro Funaki , Hisashi Horiuchi , Akihiro Tohsaki , Peter Schuck , Gerd Röpke

From a viewpoint of oblate-prolate symmetry and its breaking, we adopt the quadrupole collective Hamiltonian to study dynamics of triaxial deformation in shape coexistence phenomena. It accommodates the axially symmetric rotor model, the…

Bulk and decay properties, including deformation energy curves, charge mean square radii, Gamow-Teller (GT) strength distributions, and beta-decay half-lives, are studied in neutron-deficient even-even and odd-A Hg and Pt isotopes. The…

Nuclear Theory · Physics 2015-03-11 J. M. Boillos , P. Sarriguren

The two-neutron halo nucleus 14Be has been investigated in a kinematically complete measurement of the fragments (12Be and neutrons) produced in dissociation at 35 MeV/nucleon on C and Pb targets. Two-neutron removal cross-sections, neutron…

A set of moderately deformed $s-d$ shell nuclei is employed for testing the reliability of the nuclear ground state wave functions which are obtained in the context of a BCS approach and offer a simultaneous consideration of deformation and…

Nuclear Theory · Physics 2009-11-11 Ch. C. Moustakidis , T. S. Kosmas , F. Simkovic , Amand Faessler

Recent experiments using advanced laser spectroscopy technique revealed that the charge radii of neutron-deficient gold (Au) isotopes exhibit significant changes in ground state deformation: odd-even shape staggering in the $N = 98 \sim…

Nuclear Theory · Physics 2026-03-18 Myeong-Hwan Mun , Eunja Ha , Yong-Beom Choi , Myung-Ki Cheoun

For even-even nuclei $^{180-184}$Yb, $^{182-186}$Hf and $^{184-188}$W located on an island of hexadecapole-deformation archipelago, the structure properties, especially under rotation, are reinvestigated by using the…

Nuclear Theory · Physics 2026-01-16 Ran Li , Hua-Lei Wang , Kui Xiao , Zhen-Zhen Zhang , Min-Liang Liu

We study the evolution of an orbital angular momentum (OAM) entangled bipartite photonic state for the case where one of the photons propagates through Kolmogorov turbulence, using the concurrence as a measure of entanglement. Quantum state…

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