38 citations · 334 across the 28 of their papers we have counts for
27 papers · 1 filter
Renormalizing random-phase approximation by using exact pairing
L. Tan Phuc, N. Quang Hung, N. Dinh Dang
A fully self-consistent renormalized random-phase approximation is constructed based on the self-consistent Hartree-Fock mean field plus exact pairing solutions (EP). This approach…
Effective restoration of dipole sum rules within the renormalized random-phase approximation
N. Quang Hung, N. Dinh Dang, T. V. Nhan Hao +1
The dipole excitations for calcium and zirconium isotopes are studied within the fully self-consistent Hartree-Fock mean field incorporated with the renormalized random-phase appro…
Pairing reentrance in warm rotating Pd nucleus
N. Quang Hung, N. Dinh Dang, B. K. Agrawal +3
Pairing reentrance phenomenon in the warm rotating Pd nucleus is studied within the Bardeen-Cooper-Schrieffer (BCS)-based approach (the FTBCS1). The theory takes into accou…
Effects of thermal shape fluctuations and pairing fluctuations on the giant dipole resonance in warm nuclei
A. K. Rhine Kumar, P. Arumugam, N. Dinh Dang
Apart from the higher limits of isospin and temperature, the properties of atomic nuclei are intriguing and less explored at the limits of lowest but finite temperatures. At very l…
Pairing effect in thermal shape fluctuation model on the width of giant dipole resonance
A. K. Rhine Kumar, P. Arumugam, N. Dinh Dang
We present an approach that includes temperature-dependent shell effects and fluctuations of the pairing field in the thermal shape fluctuation model (TSFM). We apply this approach…
Giant dipole resonance in Mo from phonon damping model's strength functions averaged over temperature and angular momentum distributions
N. Dinh Dang, M. Ciemala, M. Kmiecik +1
The line shapes of giant dipole resonance (GDR) in the decay of the compound nucleus Mo, which is formed after the fusion-evaporation reaction Ti + Ca at vario…
Specific shear viscosity in hot rotating systems of paired fermions
N. Quang Hung, N. Dinh Dang
The specific shear viscosity of a classically rotating system of nucleons that interact via a monopole pairing interaction is calculated including the effects of thermal fl…
Pairing reentrance in hot rotating nuclei
N. Quang Hung, N. Dinh Dang
The pairing gaps, heat capacities and level densities are calculated within the BCS-based quasiparticle approach including the effect of thermal fluctuations on the pairing field w…
Thermodynamic properties of hot nuclei within the self-consistent quasiparticle random-phase approximation
N. Quang Hung, N. Dinh Dang
The thermodynamic properties of hot nuclei are described within the canonical and microcanonical ensemble approaches. These approaches are derived based on the solutions of the BCS…
Thermal nuclear pairing within the self-consistent quasiparticle RPA
N. Dinh Dang, N. Quang Hung
The self-consistent quasiparticle RPA (SCQRPA) is constructed to study the effects of fluctuations on pairing properties in nuclei at finite temperature and z-projection M of angul…
Canonical and microcanonical ensemble descriptions of thermal pairing within BCS and quasiparticle RPA
N. Quang Hung, N. Dinh Dang
We propose a description of pairing properties in finite systems within the canonical and microcanonical ensembles. The approach is derived by solving the BCS and self-consistent q…
Exact and approximate ensemble treatments of thermal pairing in a multilevel model
N. Quang Hung, N. Dinh Dang
A systematic comparison is conducted for pairing properties of finite systems at nonzero temperature as predicted by the exact solutions of the pairing problem embedded in three pr…
On a test of the modified BCS theory performance in the picket fence model
Nguyen Dinh Dang
The errors in the arguments, numerical results, and conclusions in the paper "Test of a modified BCS theory performance in the picket fence model" [Nucl. Phys. A 822 (2009) 1] by V…
Pairing in hot rotating nuclei
N. Quang Hung, N. Dinh Dang
Nuclear pairing properties are studied within an approach that includes the quasiparticle-number fluctuation (QNF) and coupling to the quasiparticle-pair vibrations at finite tempe…
Nuclear pairing at finite temperature and angular momentum
N. Dinh Dang, N. Quang Hung
An approach is proposed to nuclear pairing at finite temperature and angular momentum, which includes the effects of the quasiparticle-number fluctuation and dynamic coupling to pa…
Pairing within the self-consistent quasiparticle random-phase approximation at finite temperature
N. Dinh Dang, N. Quang Hung
An approach to pairing in finite nuclei at nonzero temperature is proposed, which incorporates the effects due to the quasiparticle-number fluctuation (QNF) around Bardeen-Cooper-S…
Giant resonances under extreme conditions
Nguyen Dinh Dang
The theoretical description of nuclear resonances at zero and finite temperatures is presented. The following issues are addressed: 1) Giant dipole resonances (GDR) in highly excit…
Consistency of particle-particle random-phase approximation and its renormalizations
Nguyen Dinh Dang
The consistency condition is tested within the particle-particle random-phase approximation (RPA), renormalized RPA (RRPA) and the self-consistent RPA (SCRPA) making use of the Ric…
On the test of the modified BCS at finite temperature
Nguyen Dinh Dang, Akito Arima
The results and conclusions by Ponomarev and Vdovin [Phys. Rev. C {\bf 72}, 034309 (2005)] are inadequate to judge the applicability of the modified BCS because they were obtained…
Nuclear giant resonances
Nguyen Dinh Dang
This talk presents the recent status of theoretical and experimental studies of giant resonances in nuclei with the emphasis on: (1) charge-exchange Gamow-Teller resonance, (2) mul…
Particle-number conservation within self-consistent random-phase approximation
Nguyen Dinh Dang
The self-consistent random-phase approximation (SCRPA) is reexamined within a multilevel-pairing model with double degeneracy. It is shown that the expressions for occupation numbe…
Pairing effect on the giant dipole resonance width at low temperature
Nguyen Dinh Dang, Akito Arima
The width of the giant dipole resonance (GDR) at finite temperature T in Sn-120 is calculated within the Phonon Damping Model including the neutron thermal pairing gap determined f…
Reply by N. Dinh Dang to the Comment by A. Rabhi
Nguyen Dinh Dang
It is pointed out that the ``exact'' solutions given in the recent Comment by A. Rabhi on the paper [N. Dinh Dang ``Energies of the ground state and first excited state in…
Modified Hartree-Fock-Bogoliubov at finite temperature
Nguyen Dinh Dang, Akito Arima
The modified HFB (MHFB) theory at finite temperature is derived, which conserves the unitarity relation of the particle-density matrix. This is achieved by constructing a modified…