Applications of B-splines in atomic and molecular physics

H Bachau, E Cormier, P Decleva… - Reports on progress …, 2001 - iopscience.iop.org
One of the most significant developments in computational atomic and molecular physics in
recent years has been the introduction of B-spline basis sets in calculations of atomic and …

Dyson orbitals for ionization from the ground and electronically excited states within equation-of-motion coupled-cluster formalism: Theory, implementation, and …

C Melania Oana, AI Krylov - The Journal of chemical physics, 2007 - pubs.aip.org
Implementation of Dyson orbitals for coupled-cluster and equation-of-motion coupled-cluster
wave functions with single and double substitutions is described and demonstrated by …

Photoelectron wave function in photoionization: Plane wave or Coulomb wave?

S Gozem, AO Gunina, T Ichino, DL Osborn… - The journal of …, 2015 - ACS Publications
The calculation of absolute total cross sections requires accurate wave functions of the
photoelectron and of the initial and final states of the system. The essential information …

Cross sections and photoelectron angular distributions in photodetachment from negative ions using equation-of-motion coupled-cluster Dyson orbitals

CM Oana, AI Krylov - The Journal of chemical physics, 2009 - pubs.aip.org
We report total and differential cross sections for photodetachment from negative ions using
Dyson orbitals calculated from equation-of-motion coupled-cluster wave functions and free …

Convergence of the multicenter B-spline DFT approach for the continuum

D Toffoli, M Stener, G Fronzoni, P Decleva - Chemical physics, 2002 - Elsevier
A multicenter approach for the calculation of the electronic continuum spectrum based on
the B-spline functions and employing a Kohn–Sham density functional hamiltonian is …

Hybrid Gaussian–-spline basis for the electronic continuum: Photoionization of atomic hydrogen

C Marante, L Argenti, F Martín - Physical Review A, 2014 - APS
As a first step towards meeting the recent demand for new computational tools capable of
reproducing molecular-ionization continua in a wide energy range, we introduce a hybrid …

Generalization of Keldysh's theory

K Mishima, M Hayashi, J Yi, SH Lin, HL Selzle… - Physical Review A, 2002 - APS
In this paper, we generalize and improve the derivation of photoionization rate formula for
one-electron atoms proposed by Keldysh [Zh. Eksp. Teor. Fiz. 47, 1945 (1964)[Sov. Phys …

Direct Measurement of the Angular Dependence of the Single-Photon Ionization of Aligned N2 and CO2

I Thomann, R Lock, V Sharma, E Gagnon… - The Journal of …, 2008 - ACS Publications
By combining a state-of-the-art high-harmonic ultrafast soft X-ray source with field-free
dynamic alignment, we map the angular dependence of molecular photoionization yields for …

Complex-scaled equation-of-motion coupled-cluster method with single and double substitutions for autoionizing excited states: Theory, implementation, and …

KB Bravaya, D Zuev, E Epifanovsky… - The Journal of chemical …, 2013 - pubs.aip.org
Theory and implementation of complex-scaled variant of equation-of-motion coupled-cluster
method for excitation energies with single and double substitutions (EOM-EE-CCSD) is …

Density functional calculations of photoionization with an exchange-correlation potential with the correct asymptotic behaviour

M Stener, S Furlan, P Decleva - Journal of Physics B: Atomic …, 2000 - iopscience.iop.org
The effect of the choice of the exchange correlation potential on the cross section and
asymmetry parameter profiles is analysed. The VWN potential is compared with respect to …