Physics
Scientific paper
Nov 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1294..281s&link_type=abstract
THE FIRST STARS AND GALAXIES: CHALLENGES FOR THE NEXT DECADE. AIP Conference Proceedings, Volume 1294, pp. 281-282 (2010).
Physics
Clusters Of Galaxies, Universe, Intergalactic Matter, Interstellar Magnetic Fields, Galaxy Clusters, Particle-Theory And Field-Theory Models Of The Early Universe, Intergalactic Matter, Quasar Absorption And Emission-Line Systems, Lyman Forest, Interplanetary Magnetic Fields
Scientific paper
We discuss possible implications of strong primordial magnetic fields, which may have been created during cosmic inflation or the QCD / electroweak phase transition, and explore how they influence the epoch of reionization and primordial star formation. Globally, magnetic fields may delay reionization, as the magnetic pressure suppresses gravitational collapse in small halos. In the protostellar collapse phase, we find that ambipolar diffusion heating does not change the fragmentation mass scale significantly, but may enhance the accretion rate at higher densities.
Banerjee Robi
Galli Daniele
Glover Simon C. O.
Klessen Ralf S.
Palla Francesco
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