Photoionization of hydrogen in white dwarf strength magnetic fields

Details Photoionization of hydrogen in white dwarf strength magnetic fields Photoionization of hydrogen in white dwarf strength magnetic fields

Nov 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006phrva..74e5401z&link_type=abstract

Physical Review A, vol. 74, Issue 5, id. 055401

Statistics

Applications

8

Zeeman And Stark Effects, Semiclassical Theories And Applications, Photoionization Of Atoms And Ions, Faint Blue Stars, White Dwarfs, Degenerate Stars, Nuclei Of Planetary Nebulae

Scientific paper

A different computational scheme, based on the complex-rotation method combined with a mixed Slater-Landau basis expansion, has been developed to calculate photoionization of atomic hydrogen in strong magnetic fields typical of magnetic white dwarf stars. Photoionization cross sections are presented for the ground and the 2p excited states for selected magnetic-field strengths and found to be in good agreement with available theoretical results. The current scheme is more efficient than previously reported methods as the basis expansion explicitly incorporates the physics of the strong-field regime. The method is particularly advantageous to quantitatively elucidate complex features of positive-energy spectra and to compute continuum absorption parameters for magnetic white dwarfs.

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