Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976stin...7621051r&link_type=abstract
Determination of the magnetic field under astrophysical conditions due to polarization of the atomic fluorescence NASA Transl. i
Astronomy and Astrophysics
Astrophysics
Astrophysics, Fluorescence, Magnetic Fields, Polarization (Spin Alignment), Atomic Energy Levels, Line Spectra, Resonance
Scientific paper
Polarization of atomic fluorescence is sensitive to the action of weak magnetic fields. In the case of excitation by light over a wide interference spectrum, the sigma component for the quasi-degenerate level gives a linearly-polarized line with a rotating polarization plane. The rotation angle and the degree of polarization are determined by the magnitude of the magnetic field. This effect may be used in astrophysics for recording weak magnetic fields. Estimates are made of the effect for different astronomical objects.
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