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Related papers: Quadrupole and Hexadecapole Correlations in Rotati…

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This article comprises three sections. Section 2 starts with a review of ab initio no-core shell model calculations by Monte Carlo Shell Model. Alpha clustering arises for 8,10,12Be and 12C with Daejeon16 and JISP16 interactions, even in…

Nuclear Theory · Physics 2026-04-09 Takaharu Otsuka , Alexander Volya , Naoyuki Itagaki

A simple criterion for the \Delta I = 4 bifurcation is applied to thirty superdeformed bands in the A~150 mass region. The analysis allows to differentiate between active and inactive for staggering single-particle states. The consideration…

Nuclear Theory · Physics 2007-05-23 Igor Pavlichenkov , Andrei Shchurenkov

Large-amplitude dynamics of axial and triaxial quadrupole deformation in 24,26Mg, 24Ne, and 28Si is investigated on the basis of the quadrupole collective Hamiltonian constructed with use of the constrained Hartree-Fock-Bogoliubov plus the…

Nuclear Theory · Physics 2011-02-02 Nobuo Hinohara , Yoshiko Kanada-En'yo

An extended version of the antisymmetrized molecular dynamics to study structure of $p$-$sd$ shell hypernuclei is developed. By using an effective $\Lambda N$ interaction, we investigate energy curves of $^9_\Lambda$Be, $^{13}_\Lambda$C and…

Nuclear Theory · Physics 2011-05-13 Masahiro Isaka , Masaaki Kimura , Akinobu Dote , Akira Ohnishi

We propose a new method of the $\beta$-$\gamma$ constraint for quadrupole deformation in antisymmetrized molecular dynamics (AMD) to describe various cluster and shell-model structures in the ground and excited states of light nuclei. We…

Nuclear Theory · Physics 2014-11-20 Tadahiro Suhara , Yoshiko Kanada-En'yo

The pheomenological Generalized Coherent State Model Hamiltonian is amended with a many body term describing a set of nucleons moving in a shell model mean-field and interacting among themselves with paring, as well as with a particle-core…

Nuclear Theory · Physics 2016-03-08 A. A. Raduta , Al. H. Raduta , C. M. Petrache

The dependence of the moment of inertia $\cal J$ on the pairing and axial quadrupole deformation $\beta$ in $^{24}$Mg and $^{20}$Ne was investigated. The study is based on quadrupole-constrained calculations with three cranking approaches…

Nuclear Theory · Physics 2024-05-08 V. O. Nesterenko , M. A. Mardyban , P. -G. Reinhard , A. Repko , J. Kvasil

The density functional theory of nuclear structure provides a many-particle wave function that is useful for static properties, but an extension of the theory is necessary to describe correlation effects or other dynamic properties. Here we…

Nuclear Theory · Physics 2009-11-11 Y. Alhassid , G. F. Bertsch , L. Fang , B. Sabbey

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 carry out a study of the study of the $Q \cdot Q$ interaction in a model space which consists of several nucleons in an open shell and all $2 \hbar \omega$ excitations. This interaction is $ -t (X_o/2) Q \cdot Q$, where for t=1 we get…

Nuclear Theory · Physics 2016-09-08 M. S. Fayache , L. Zamick , Y. Y. Sharon

Recently it has been experimentally demonstrated that certain glasses display an unexpected magnetic field dependence of the dielectric constant. In particular, the echo technique experiments have shown that the echo amplitude depends on…

Disordered Systems and Neural Networks · Physics 2009-11-11 I. Y. Polishchuk , P. Fulde , A. L. Burin , Y. Sereda , D. Balamurugan

The lowest isoscalar and isovector quadrupole and octupole excitations in near spherical nuclei are studied within the the proton-neutron version of the interacting boson model including quadrupole and octupole bosons (sdf-IBM-2). The main…

Nuclear Theory · Physics 2017-08-23 Nadya A. Smirnova , Norbert Pietralla , Takahiro Mizusaki , Piet Van Isacker

The interplay between the orbital and spin currents in (e,e') excitations of light nuclei is discussed. The microscopic analysis of E1 and M2 resonances was performed within the particle-core coupling approximation (PCC) of the shell model.…

Nuclear Theory · Physics 2015-04-24 Elina Arakelyan , Natalia Goncharova

Rotational bands with (neutron h_11/2)^1 (proton h_11/2)^1 configurations are studied using a particle-rotor model in which a proton and a neutron quasiparticles interacting through a zero-range force are coupled with a triaxial rotor. It…

Nuclear Theory · Physics 2009-10-22 N. Tajima

Microscopic RPA calculations based on the cranked shell model are performed to investigate the quadrupole and octupole correlations for excited superdeformed bands in 190Hg, 192Hg, and 194Hg. The K=2 octupole vibrations are predicted to be…

A very good linear correlation is found between the four-point charge radius relation $\delta R_{2p-2n}(Z,N)$ with that of quadrupole deformation data in even-even nuclei. This results in a further improved charge radius relation that holds…

Nuclear Theory · Physics 2017-01-19 Bao-Hua Sun , Chuan-Ye Liu , Hao-Xin Wang

Potential energies, moments of inertia, quadrupole and octupole moments of dinuclear systems are compared with the corresponding quantities of strongly deformed nuclei. As dinuclear system we denote two touching nuclei (clusters). It is…

Nuclear Theory · Physics 2009-10-31 T. M. Shneidman , G. G. Adamian , N. V. Antonenko , S. P. Ivanova , W. Scheid

We present general arguments for the importance, or lack thereof, of the structure in the charge distribution of counterions for counterion-mediated interactions between bounding symmetrically charged surfaces. We show that on the mean…

Soft Condensed Matter · Physics 2015-05-13 M. Kanduc , A. Naji , Y. S. Jho , P. A. Pincus , R. Podgornik

Nuclear magnetic resonance gyroscopes that detect rotation as a shift in the precession frequency of nuclear spins, have attracted a lot of attentions. Under a feedback-generated drive, the precession frequency is supposed to be dependent…

Quantum Physics · Physics 2020-07-15 Yue Chang , Shuang-ai Wan , Jie Qin

Electroexcitations of the dominantly T=1 particle-hole states of C-12 are studied in the framework of the harmonic oscillator shell model. All possible T=1 single-particle-hole states of all allowed angular momenta are considered in a basis…

Nuclear Theory · Physics 2009-09-29 F. A. Majeed , R. A. Radhi
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