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[Licence| Download | New Version Template] adqv_v1_0.tar.gz(49 Kbytes)
Manuscript Title: A package for the ab-initio calculation of one- and two-photon cross sections of two-electron atoms, using a CI B-splines method.
Authors: L.A.A. Nikolopoulos
Program title: BSPCI2E
Catalogue identifier: ADQV_v1_0
Distribution format: tar.gz
Journal reference: Comput. Phys. Commun. 150(2003)140
Programming language: Fortran, C++.
Computer: IBM, SUN, PC.
Keywords: Multiphoton ionization, Two-electron atoms, LOPT, Configuration interaction, B-splines, Atomic physics, Scattering, Photon.
Classification: 2.5.

Nature of problem:
Ab-initio calculation of one- and two-photon ionization cross sections for two-electron atoms under strong laser fields, within lowest-order perturbation theory and in dipole approximation.

Solution method:
LOPT with the atomic structure obtained through configuration interaction of antisymmetrized two-electron states.

Unusual features:
The package uses the publicly available SLATEC, LAPACK, BLAS libraries.

Running time:
It mainly depends on the number of B splines and the number of the included two-electron configurations for each total angular momentum. For the present examples (300 B-splines) and ~1000 configurations for L = S,P,D, on a AMD K-6 1000MHZ processor, typical running time is about 24 minutes of CPU time.