An introduction to relativistic theory as implemented in GRASP
Computational atomic physics continues to play a crucial role in both increasing the
understanding of fundamental physics (eg, quantum electrodynamics and correlation) and …
understanding of fundamental physics (eg, quantum electrodynamics and correlation) and …
GRASP manual for users
grasp is a software package in Fortran 95, adapted to run in parallel under MPI, for research
in atomic physics. The basic premise is that, given a wave function, any observed atomic …
in atomic physics. The basic premise is that, given a wave function, any observed atomic …
Extended atomic data for oxygen abundance analyses
As the most abundant element in the universe after hydrogen and helium, oxygen plays a
key role in planetary, stellar, and galactic astrophysics. Its abundance is especially …
key role in planetary, stellar, and galactic astrophysics. Its abundance is especially …
Extended calculations of energy levels and transition rates for singly ionized lanthanide elements. I. Pr–Gd
Lanthanide elements play important roles as an opacity source in the ejected material from
neutron star mergers. Accurate and complete atomic data are necessary to evaluate the …
neutron star mergers. Accurate and complete atomic data are necessary to evaluate the …
Electric-quadrupole transition-rate measurement of a highly charged ion in an electron-beam ion trap using pulsed laser excitation from a metastable state
We present the lifetime measurement of the (4 d 3/2− 1 5 s) J= 2 state in Pd-like I 7+, which
predominantly decays to the (4 d 10) J= 0 ground state by an electric-quadrupole transition …
predominantly decays to the (4 d 10) J= 0 ground state by an electric-quadrupole transition …
Extended theoretical transition data in C i–iv
Accurate atomic data are essential for opacity calculations and for abundance analyses of
the Sun and other stars. The aim of this work is to provide accurate and extensive results of …
the Sun and other stars. The aim of this work is to provide accurate and extensive results of …
Independently Optimized Orbital Sets in GRASP—The Case of Hyperfine Structure in Li I
In multiconfiguration Dirac–Hartree–Fock (MCDHF) calculations, there is a strong coupling
between the localization of the orbital set and the configuration state function (CSF) …
between the localization of the orbital set and the configuration state function (CSF) …
Evaluation of uncertainties in atomic data on spectral lines and transition probabilities
A Kramida - The European Physical Journal D, 2024 - Springer
The present article discusses some recent advances in methods of critical evaluation of
experimental data on wavelengths of spectral lines and theoretical data on transition …
experimental data on wavelengths of spectral lines and theoretical data on transition …
Extended MCDHF calculations of energy levels and transition data for NI
Accurate and extensive atomic data are essential for spectroscopic analyses of stellar
atmospheres and other astronomical objects. We present energy levels, lifetimes, and …
atmospheres and other astronomical objects. We present energy levels, lifetimes, and …
[HTML][HTML] Relativistic radial electron density functions and natural orbitals from GRASP2018
A new module, RDENSITY, of the GRASP2018 package [1] is presented for evaluating the
radial electron density function of an atomic state described by a multiconfiguration Dirac …
radial electron density function of an atomic state described by a multiconfiguration Dirac …