Spectroscopy in Megagauss fields: Theory

Details Spectroscopy in Megagauss fields: Theory Spectroscopy in Megagauss fields: Theory

Dec 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990aipc..216..563w&link_type=abstract

Spectral line shapes. AIP Conference Proceedings, Volume 216, pp. 563-573 (1990).

Physics

Atomic Physics

3

Zeeman And Stark Effects, Stellar Atmospheres, Radiative Transfer, Opacity And Line Formation, Faint Blue Stars, White Dwarfs, Degenerate Stars, Nuclei Of Planetary Nebulae

Scientific paper

We report on how the recent numerical solution of the problem of a hydrogen atom in a magnetic field of arbitrary strength -one of the remaining 'unsolved elementary problems in atomic physics' (Kleppner et al.) -has helped in identifying the mysterious line features unexplained for almost five decades in the optical spectrum of the white dwarf star Grw+70°8247 as due to hydrogen atoms exposed to a magnetic field of ~320 million Gauss, and, at the same time, has laid the foundation for the quantitative spectroscopy of these compact cosmic objects in the magnetic field range up to ~103 Megagauss.

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