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Related papers: Superdeformed $\Lambda$ hypernuclei from relativis…

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The charmed $ \Lambda_{c}^{+} $ hypernuclei are investigated within the framework of the density-dependent relativistic mean-field (DDRMF) theory. Starting from the empirical hyperon potential in symmetric nuclear matter, obtained through…

Nuclear Theory · Physics 2024-12-30 Wei Yang , Shi Yuan Ding , Bao Yuan Sun

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

The dynamical influence of $\Lambda$ hyperons on the excited-state properties of closed-shell multi-$\Lambda$ Ca, Ni, Sn and Pb hypernuclei is investigated using the self-consistent Hartree-Fock + Random Phase Approximation in coordinate…

Nuclear Theory · Physics 2026-03-26 Bahruz Suleymanli , Kutsal Bozkurt , Elias Khan , Haşim Güven , Jerome Margueron

Motivated by recent observational data, the equations of state with the inclusion of strangeness-bearing $\Lambda$-hyperons and the corresponding properties of neutron stars are studied, based on the covariant density functional (CDF)…

Nuclear Theory · Physics 2012-06-20 W. H. Long , B. Y. Sun , K. Hagino , H. Sagawa

Relativistic energy density functionals (REDF) provide a complete and accurate, global description of nuclear structure phenomena. A modern semi-empirical functional, adjusted to the nuclear matter equation of state and to empirical masses…

Nuclear Theory · Physics 2015-06-05 V. Prassa , T. Niksic , G. A. Lalazissis , D. Vretenar

Superdeformed (SD) states in $^{40}$Ar have been studied using the deformed-basis antisymmetrized molecular dynamics. Low energy states were calculated by the parity and angular momentum projection (AMP) and the generator coordinate method…

Taking the hypernucleus $^{13}_{~\Lambda}$C as an example, we illustrate the miscroscopic particle-rotor model for low-lying spectra of hypernuclei. This approach is based on the beyond-mean-field method, with the particle number and…

Nuclear Theory · Physics 2015-12-01 K. Hagino , H. Mei , J. M. Yao , T. Motoba

We introduce a mean field model based on realistic 2-body baryon interactions and calculate spectra of a set of p-shell and sd-shell {\Lambda} hypernuclei - 13{\Lambda}C, 17{\Lambda}O, 21{\Lambda}Ne, 29{\Lambda}Si and 41{\Lambda}Ca. The…

Nuclear Theory · Physics 2016-08-24 P. Veselý , E. Hiyama , J. Hrtánková , J. Mareš

The previous mean-field calculation [Myaing Thi Win and K. Hagino, Phys. Rev. C{\bf 78}, 054311 (2008)] has shown that the oblate deformation in $^{28,30,32}$Si disappears when a $\Lambda$ particle is added to these nuclei. We here…

Nuclear Theory · Physics 2018-07-04 H. Mei , K. Hagino , J. M. Yao , T. Motoba

Large scale shell model calculations, with dimensions reaching 10**9, are carried out to describe the recently observed deformed (ND) and superdeformed (SD) bands based on the first and second excited 0+ states of 40-Ca at 3.35-MeV and…

Nuclear Theory · Physics 2014-11-18 E. Caurier , J. Menendez , F. Nowacki , A. Poves

We investigated the local density of states (LDOS) of a normal metal (N) in good electrical contact with a superconductor (S) as a function of the distance $x$ to the NS interface. The sample consists of a pattern of alternate stripes of Au…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 M. Vinet , C. Chapelier , F. Lefloch

Hypernuclei have been studied within the framework of Relativistic Mean Field theory. The force FSU Gold has been extended to include hyperons. The effective hyperon-nucleon and nucleon-nucleon interactions have been obtained by fitting…

Nuclear Theory · Physics 2012-07-30 Bipasha Bhowmick , Abhijit Bhattacharyya , G. Gangopadhyay

We study the shape coexistence in the nucleus $^{28}$Si with the nuclear shell model using numerical diagonalizations complemented with variational calculations based on the projected generator-coordinate method. The theoretical electric…

The impurity effect of hyperon on atomic nuclei has received a renewed interest in nuclear physics since the first experimental observation of appreciable reduction of $E2$ transition strength in low-lying states of hypernucleus…

Nuclear Theory · Physics 2015-03-10 W. X. Xue , J. M. Yao , K. Hagino , Z. P. Li , H. Mei , Y. Tanimura

In order to clarify the nature of hypernuclear low-lying states, we carry out a comprehensive study for the structure of $^{144-154}_{~~~~~~~~\Lambda}$Sm-hypernuclei, which exhibit a transition from vibrational to rotational characters as…

Nuclear Theory · Physics 2017-07-19 H. Mei , K. Hagino , J. M. Yao , T. Motoba

Angular-momentum-projected energy surface calculations for A~110 nuclei indicate three distinct energy minima occurring at different angular-momenta. These correspond to normal, super-, and hyper-deformed shapes coexisting in one nucleus.…

Nuclear Theory · Physics 2008-02-01 Yang Sun , Jing-ye Zhang , Gui-Lu Long , Cheng-Li Wu

We analyze the peculiarities of the interaction of the lambda hyperon with s-shell nuclei. The spectra of bound and scattering states are studied in the hypernuclei $_{\Lambda}^{2}$H, $_{\Lambda}^{3}$H, $_{\Lambda}^{4}$H, $_{\Lambda}^{4}$He…

Nuclear Theory · Physics 2025-12-15 N. K. Kalzhigitov , S. Amangeldinova , V. O. Kurmangaliyeva , V. S. Vasilevsky

New effective $\Lambda N$ interactions are proposed for the density dependent relativistic mean field model. The multidimensionally constrained relativistic mean field model is used to calculate ground state properties of eleven known…

Nuclear Theory · Physics 2021-12-08 Yu-Ting Rong , Zhong-Hao Tu , Shan-Gui Zhou

We study the binding energies, radii, single-particle energies, spin-orbit potential and density profile for multi-strange hypernuclei in the range of light mass to superheavy region within the relativistic mean field (RMF) theory. The…

Nuclear Theory · Physics 2015-06-22 M. Ikram , S. K. Singh , A. A. Usmani , S. K. Patra

Deflection of atoms in \Lambda-type configuration passing through two crossed standing light waves is proposed for probing and visualization of atomic superposition states. For this goal, we use both the large-dispersive and Raman-resonant…

Quantum Physics · Physics 2013-07-23 Gor A. Abovyan , Gagik P. Djotyan , Gagik Yu. Kryuchkyan