Multichannel density-functional calculations for atoms and atomic chains in magnetic fields of compact stars

Details Multichannel density-functional calculations for atoms and atomic chains in magnetic fields of compact stars Multichannel density-functional calculations for atoms and atomic chains in magnetic fields of compact stars

Jun 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996phrva..53.4068r&link_type=abstract

Physical Review A (Atomic, Molecular, and Optical Physics), Volume 53, Issue 6, June 1996, pp.4068-4074

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16

Density-Functional Theory, Other Exotic Atoms And Molecules, Macromolecules, Clusters, Atomic And Molecular Data, Spectra, And Spectral Parameters, Magnetic And Electric Fields, Polarization Of Starlight

Scientific paper

Ground-state energies of atoms and atomic chains in strong to superstrong magnetic fields (B~=2.4×106 - 8.5×108 T) are calculated within the single-particle scheme of a heuristic density-functional method. From these we find condensation energies and binding lengths. Using the local Dirac exchange functional, the corresponding equations are solved iteratively, expanding the wave functions with respect to Landau functions in the transverse directions and directly integrating along the longitudinal direction. Dropping the adiabatic approximation, we extrapolate our results with respect to the number of Landau channels taken into account. The values found by this extrapolation correspond to calculations without any restriction on the allowed wave functions.

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