Generation of Magnetic Fields by Radiation Pressure from the First Stars

Details Generation of Magnetic Fields by Radiation Pressure from the First Stars Generation of Magnetic Fields by Radiation Pressure from the First Stars

Nov 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1294..291s&link_type=abstract

THE FIRST STARS AND GALAXIES: CHALLENGES FOR THE NEXT DECADE. AIP Conference Proceedings, Volume 1294, pp. 291-292 (2010).

Physics

Magnetic Field Effects, Universe, Radiative Transfer, Population Iii Stars, Electric And Magnetic Fields, Origin And Formation Of The Universe, Radiative Transfer, Scattering, Population Iii Stars

Scientific paper

We investigate seed magnetic field generation by radiation pressure from the first stars. We include induction effects by electromagnetic fields, which were not taken into account previously. As a result, we find much smaller magnetic fields than predicted by the static H II regions assumed in our earlier models, even if momentum transfer due to photoionizations, which were excluded from our previous work, is present. The resultant magnetic flux density around the first star is as large as 10-20 G. These seed magnetic field will not affect subsequent star formation in the neighborhood of the first stars.

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