Generation of Seed Magnetic Field around First Stars

Details Generation of Seed Magnetic Field around First Stars Generation of Seed Magnetic Field around First Stars

Jun 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1238..133a&link_type=abstract

TOURS SYMPOSIUM ON NUCLEAR PHYSICS AND ASTROPHYSICS-VII. AIP Conference Proceedings, Volume 1238, pp. 133-135 (2010).

Physics

Nuclear Physics

Interstellar Magnetic Fields, Quasars, Star Formation, Radiative Transfer, Magnetic And Electric Fields, Polarization Of Starlight, Quasars, Star Formation, Stellar Atmospheres, Radiative Transfer, Opacity And Line Formation

Scientific paper

There are various models that describe the generation of cosmological seed magnetic field in early universe. Among these models, the biggest amplitude of the seed field is predicted in the model that the anisotropic radiation pressure around luminous sources like quasars or first stars could drive weak electric current in the surrounding HII region. This model is investigated only in steady and linearized model so far. In this research, we investigate this issue in dynamical framework. As a result, we demonstrate that this model can generate magnetic fields of ~10-19 G in case the radiation source is a typical first star.

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