Hidden pseudospin and spin symmetries and their origins in atomic nuclei

H Liang, J Meng, SG Zhou - Physics Reports, 2015 - Elsevier
Symmetry plays a fundamental role in physics. The quasi-degeneracy between single-
particle orbitals (n, l, j= l+ 1/2) and (n− 1, l+ 2, j= l+ 3/2) indicates a hidden symmetry in …

Towards an ab initio covariant density functional theory for nuclear structure

S Shen, H Liang, WH Long, J Meng, P Ring - Progress in Particle and …, 2019 - Elsevier
Nuclear structure models built from phenomenological mean fields, the effective nucleon–
nucleon interactions (or Lagrangians), and the realistic bare nucleon–nucleon interactions …

Pseudospin symmetry in single particle resonant states

BN Lu, EG Zhao, SG Zhou - Physical Review Letters, 2012 - APS
The pseudospin symmetry (PSS) is a relativistic dynamical symmetry connected with the
small component of the Dirac spinor. The origin of PSS in single particle bound states in …

Conservation and breaking of pseudospin symmetry

TT Sun, ZP Li, P Ring - Physics Letters B, 2023 - Elsevier
Pseudospin symmetry (PSS) is a relativistic dynamical symmetry connected with the lower
component of the Dirac spinor. Here, we investigate the conservation and breaking of PSS …

[HTML][HTML] Pseudospin symmetry in resonant states in deformed nuclei

Y Zhang, YX Luo, Q Liu, JY Guo - Physics Letters B, 2023 - Elsevier
Pseudospin symmetry (PSS) plays critical roles in the formation of many physical
phenomena, and has been studied extensively from spherical nuclei to deformed nuclei …

Pseudospin symmetry in supersymmetric quantum mechanics: Schrödinger equations

H Liang, S Shen, P Zhao, J Meng - Physical Review C—Nuclear Physics, 2013 - APS
The origin of pseudospin symmetry (PSS) and its breaking mechanism are explored by
combining supersymmetry (SUSY) quantum mechanics, perturbation theory, and the …

Deformation and spin-orbit splitting of hypernuclei in the Skyrme-Hartree-Fock approach

HT Xue, YF Chen, QB Chen, YA Luo, HJ Schulze… - Physical Review C, 2023 - APS
The realizations of spin symmetry in the Λ hyperon spectra of hypernuclei ranging from light
to heavy masses are investigated in the framework of the deformed Skyrme-Hartree-Fock …

Pseudospin symmetry in single-particle resonances in spherical square wells

BN Lu, EG Zhao, SG Zhou - Physical Review C—Nuclear Physics, 2013 - APS
Background: The pseudospin symmetry (PSS) has been studied extensively for bound
states. Recently, we justified rigorously that the PSS in single-particle resonant states is …

Perturbative interpretation of relativistic symmetries in nuclei

H Liang, P Zhao, Y Zhang, J Meng, NV Giai - Physical Review C—Nuclear …, 2011 - APS
Perturbation theory is used systematically to investigate the symmetries of the Dirac
Hamiltonian and their breaking in atomic nuclei. Using the perturbation corrections to the …

Exploration of relativistic symmetry by the similarity renormalization group

JY Guo - Physical Review C—Nuclear Physics, 2012 - APS
The similarity renormalization group is used to transform Dirac Hamiltonian into a diagonal
form, which the upper (lower) diagonal element becomes an operator describing Dirac (anti …