Quasiparticle continuum and resonances in the Hartree-Fock-Bogoliubov theory

JC Pei, AT Kruppa, W Nazarewicz - Physical Review C—Nuclear Physics, 2011 - APS
The quasiparticle energy spectrum of the Hartree-Fock-Bogoliubov (HFB) equations
contains discrete bound states, resonances, and nonresonant continuum states. We study …

Resonant-continuum relativistic mean-field plus BCS in complex momentum representation

KM Ding, M Shi, JY Guo, ZM Niu, H Liang - Physical Review C, 2018 - APS
To develop methods for open quantum systems is one of the most important tasks in
theoretical studies. We develop the resonant-continuum relativistic mean-field theory in …

Exploration of the exotic structure in Ce isotopes by the relativistic point-coupling model combined with complex momentum representation

XN Cao, KM Ding, M Shi, Q Liu, JY Guo - Physical Review C, 2020 - APS
The relativistic point-coupling model is combined with the complex momentum
representation with resonances considered by BCS approximation, which is called the …

Gamow-Hartree-Fock-Bogoliubov method: Representation of quasiparticles with Berggren sets of wave functions

N Michel, K Matsuyanagi, M Stoitsov - Physical Review C—Nuclear Physics, 2008 - APS
Single-particle resonant states, also called Gamow states, as well as bound and scattering
states of complex energy form a complete set, the Berggren completeness relation. It is the …

Effects of pairing correlation on the quasiparticle resonance in neutron-rich Ca isotopes

Y Zhang, XY Qu - Physical Review C, 2020 - APS
We investigated the effects of the pairing correlation on the quasiparticle resonant energy
and width in the neutron-rich Ca isotopes by using the self-consistent continuum Skyrme …

Jost function formalism based on the Hartree-Fock-Bogoliubov formalism

K Mizuyama, NN Le, TD Thuy, TVN Hao - Physical Review C, 2019 - APS
We formulate the Jost function formalism based on the Hartree-Fock-Bogoliubov (HFB)
theory which has been used to represent the nature of nuclear superfluidity. By using the …

Pairing in hot rotating nuclei

NQ Hung, ND Dang - Physical Review C—Nuclear Physics, 2008 - APS
Nuclear pairing properties are studied within an approach that includes the quasiparticle-
number fluctuation (QNF) and coupling to the quasiparticle-pair vibrations at finite …

Effects of pairing correlation on the low-lying quasiparticle resonance in neutron drip-line nuclei

Y Kobayashi, M Matsuo - Progress of Theoretical and …, 2016 - academic.oup.com
We discuss the effects of pairing correlation on quasiparticle resonance. We analyze in
detail how the width of the low-lying (MeV) quasiparticle resonance is governed by the …

Systematic researches on the ground state properties of the medium-mass neutron-rich nuclei

XN Cao, C He, X Zhou - Chinese Physics C, 2024 - iopscience.iop.org
The recently developed relativistic-mean-field in complex momentum representation with the
functional NL3* was used to explore the exotic properties of neutron-rich Pd, Cd, Te, and Xe …

Complex energy approaches for calculating isobaric analogue states

RI Betan, AT Kruppa, T Vertse - Physical Review C—Nuclear Physics, 2008 - APS
Parameters of isobaric analog resonance (IAR) are calculated in the framework of the Lane
model using different methods. In the standard method, the direct numerical solution of the …