Projection techniques to approach the nuclear many-body problem

Y Sun - Physica Scripta, 2016 - iopscience.iop.org
Our understanding of angular–momentum-projection goes beyond quantum-number
restoration for symmetry-violated states. The angular–momentum-projection method can be …

Symmetry restoration in mean-field approaches

JA Sheikh, J Dobaczewski, P Ring… - Journal of Physics G …, 2021 - iopscience.iop.org
The mean-field approximation based on effective interactions or density functionals plays a
pivotal role in the description of finite quantum many-body systems that are too large to be …

Triaxial projected shell model study of chiral rotation in odd–odd nuclei

GH Bhat, JA Sheikh, R Palit - Physics Letters B, 2012 - Elsevier
Chiral rotation observed in 128Cs is studied using the newly developed microscopic triaxial
projected shell model (TPSM) approach. The observed energy levels and the …

Review of isomers in the region and nuclear shape evolution

R Palit, MSR Laskar, S Nag, D Choudhury… - The European Physical …, 2024 - Springer
The measurements of lifetimes and electromagnetic moments of the isomeric states in some
of the nuclei around A≈ 135 carried out at BARC-TIFR Pelletron Linac Facility at TIFR …

A systematical study of neutron-rich Zr isotopes by the projected shell model

YX Liu, Y Sun, XH Zhou, YH Zhang, SY Yu, YC Yang… - Nuclear Physics A, 2011 - Elsevier
To understand the structure of neutron-rich nuclei and to validate the existing theoretical
model for the exotic mass region, we study systematically strongly-deformed, neutron-rich …

[HTML][HTML] Microscopic description of structural evolution in pd, xe, ba, nd, sm, gd and dy isotopes

T Naz, GH Bhat, S Jehangir, S Ahmad, JA Sheikh - Nuclear Physics A, 2018 - Elsevier
Aiming to understand the role of triaxiality and the evolution of the ground state nuclear
shapes, we have carried out a microscopic study for a series of chains of Pd, Xe, Ba, Nd, Sm …

Theoretical study of triaxial shapes of neutron-rich Mo and Ru nuclei

CL Zhang, GH Bhat, W Nazarewicz, JA Sheikh, Y Shi - Physical Review C, 2015 - APS
Background: Whether atomic nuclei can possess triaxial shapes at their ground states is still
a subject of ongoing debate. According to theory, good prospects for low-spin triaxiality are …

Microscopic nuclear structure models and methods: chiral symmetry, wobbling motion and γ–bands

JA Sheikh, GH Bhat, WA Dar, S Jehangir… - Physica …, 2016 - iopscience.iop.org
A systematic investigation of the nuclear observables related to the triaxial degree of
freedom is presented using the multi-quasiparticle triaxial projected shell model (TPSM) …

Mixing of quasiparticle excitations and vibrations in transitional nuclei

JA Sheikh, GH Bhat, YX Liu, FQ Chen, Y Sun - Physical Review C—Nuclear …, 2011 - APS
Evidence of strong coupling of quasiparticle excitations with γ vibration is shown to occur in
transitional nuclei. High-spin band structures in 166, 168, 170, 172 Er are studied by …

Quasiparticle and -band structures in

S Jehangir, GH Bhat, JA Sheikh, S Frauendorf… - Physical Review C, 2018 - APS
Excited band structures recently observed in Dy 156 are investigated using the microscopic
triaxial projected shell model (TPSM) approach and the quasiparticle random phase …