activity
20052020
most citedDensity and isospin asymmetry dependence of high-momentum components

107 citations · 1k across the 23 of their papers we have counts for

collaborators

23 papers

nucl-th2020★ 1 cited

Green's functions techniques for extended nuclear systems

A. Rios

I review the application of self-consistent Green's functions methods to study the properties of infinite nuclear systems. Improvements over the last decade, including the consiste…

nucl-th2020★ 27 cited

Reexamining the relation between the binding energy of finite nuclei and the equation of state of infinite nuclear matter

M. C. Atkinson, W. H. Dickhoff, M. Piarulli +2

The energy density is calculated in coordinate space for C, Ca, Ca, and Pb using a dispersive optical model constrained by all relevant data including…

nucl-th2017★ 7 cited

Comparison of nuclear hamiltonians using spectral function sum rules

A. Rios, A. Carbone, A. Polls

Background: The energy weighted sum rules of the single-particle spectral functions provide a quantitative understanding of the fragmentation of nuclear states due to short-range a…

nucl-th2016★ 25 cited

Di-neutrons in neutron matter within Brueckner-Hartree-Fock approach

F. Isaule, H. F. Arellano, A. Rios

We investigate the appearance of di-neutron bound states in pure neutron matter within the Brueckner-Hartree-Fock approach at zero temperature. We consider Argonne and Par…

nucl-th2016★ 84 cited

Pairing in high-density neutron matter including short- and long-range correlations

D. Ding, A. Rios, H. Dussan +4

Pairing gaps in neutron matter need to be computed in a wide range of densities to address open questions in neutron star phenomenology. Traditionally, the Bardeen-Cooper-Schrieffe…

nucl-th2015

Shapes and Dynamics from the Time-Dependent Mean Field

P. D. Stevenson, P. M. Goddard, A. Rios

Explaining observed properties in terms of underlying shape degrees of freedom is a well--established prism with which to understand atomic nuclei. Self--consistent mean--field mod…

nucl-th2015★ 55 cited

Fission dynamics within time-dependent Hartree-Fock: boost-induced fission

P. M. Goddard, P. D. Stevenson, A. Rios

Background: Nuclear fission is a complex large-amplitude collective decay mode in heavy nuclei. Microscopic density functional studies of fission have previously concentrated on ad…

nucl-th2015★ 103 cited

Fission dynamics within time-dependent Hartree-Fock: deformation-induced fission

P. M. Goddard, P. D. Stevenson, A. Rios

Background: Nuclear fission is a complex large-amplitude collective decay mode in heavy nuclei. Microscopic density functional studies of fission have previously concentrated on ad…

nucl-th2015★ 84 cited

Pairing in high-density neutron matter including short- and long-range correlations

D. Ding, A. Rios, W. H. Dickhoff +3

The influence of short-range correlations (SRC) on the spectral distribution of neutrons is incorporated in the solution of the gap equation for the coupled chann…

nucl-th2014★ 4 cited

Covariance analysis of finite temperature density functional theory: symmetric nuclear matter

A. Rios, X. Roca-Maza

We study symmetric nuclear matter at finite temperature, with particular emphasis on the liquid-gas phase transition. We use a standard covariance analysis to propagate statistical…

nucl-th2014★ 74 cited

Isovector properties of the Gogny interaction

R. Sellahewa, A. Rios

We analyse the properties of the Gogny interaction in homogeneous matter, with special emphasis on the isovector sector. We provide analytical expressions for both the single-parti…

nucl-th2014

Pairing in bulk nuclear matter beyond BCS

D. Ding, S. J. Witte, W. H. Dickhoff +3

The influence of short-range correlations on the spectral distribution of neutrons is incorporated in the solution of the gap equation for the coupled channel in…

nucl-th2013★ 107 cited

Density and isospin asymmetry dependence of high-momentum components

A. Rios, A. Polls, W. H. Dickhoff

We study the one-body momentum distribution at different densities in nuclear matter, with special emphasis on its components at high momentum. Explicit calculations for finite neu…

astro-ph.IM2013★ 9 cited

Nuclear astrophysics with radioactive ions at FAIR

R. Reifarth, S. Altstadt, K. Göbel +317

The nucleosynthesis of elements beyond iron is dominated by neutron captures in the s and r processes. However, 32 stable, proton-rich isotopes cannot be formed during those proces…

nucl-th2013★ 26 cited

Tensor force effects and high-momentum components in the nuclear symmetry energy

Arianna Carbone, Artur Polls, Constança Providência +2

We analyze microscopic many-body calculations of the nuclear symmetry energy and its density dependence. The calculations are performed in the framework of the Brueckner-Hartree-Fo…

nucl-th2013★ 1 cited

Cause of the charge radius isotope shift at the \emph{N}=126 shell gap

P. M. Goddard, P. D. Stevenson, A. Rios

We discuss the mechanism causing the `kink' in the charge radius isotope shift at the N=126 shell closure. The occupation of the 1 neutron orbital is the decisive factor…

nucl-ex2013★ 44 cited

The electric dipole response of Se above 4 MeV

P. M. Goddard, N. Cooper, V. Werner +20

The dipole response of Se in the energy range 4 to 9 MeV has been analyzed using a polarized photon scattering technique, performed at the High Intensity $…

nucl-th2012★ 59 cited

Why is lead so kinky?

P. M. Goddard, P. D. Stevenson, A. Rios

We revisit the problem of the kink in the charge radius shift of neutron-rich even lead isotopes. We show that the ability of a Skyrme force to reproduce the isotope shift is deter…

nucl-th2012★ 85 cited

Comparative study of neutron and nuclear matter with simplified Argonne nucleon-nucleon potentials

M. Baldo, A. Polls, A. Rios +2

We present calculations of the energy per particle of pure neutron and symmetric nuclear matter with simplified Argonne nucleon-nucleon potentials for different many-body theories.…

nucl-th2011★ 51 cited

High momentum components in the nuclear symmetry energy

Arianna Carbone, Artur Polls, Arnau Rios

The short-range and tensor correlations associated to realistic nucleon-nucleon interactions induce a population of high-momentum components in the many-body nuclear wave function.…

nucl-th2010★ 41 cited

Effective interaction dependence of the liquid-gas phase transition in symmetric nuclear matter

A. Rios

The liquid-gas phase transition for homogeneous symmetric nuclear matter is studied in the mean-field approximation. Critical properties are computed using a comprehensive group of…

nucl-th2009★ 89 cited

Depletion of the nuclear Fermi sea

A. Rios, A. Polls, W. H. Dickhoff

The short-range and tensor components of the bare nucleon-nucleon interaction induce a sizeable depletion of low momenta in the ground state of a nuclear many-body system. The self…

nucl-th2005★ 59 cited

Microscopic calculations of spin polarized neutron matter at finite temperature

I. Bombaci, A. Polls, A. Ramos +2

The properties of spin polarized neutron matter are studied both at zero and finite temperature within the framework of the Brueckner--Hartree--Fock formalism, using the Argonne v1…