Effects of Magnetic Fields on Proto-Neutron Star Winds

Details Effects of Magnetic Fields on Proto-Neutron Star Winds Effects of Magnetic Fields on Proto-Neutron Star Winds

2005-08-24

arxiv.org/abs/astro-ph/0508512v2

Prog.Theor.Phys.114:995-1020,2006

Astronomy and Astrophysics

Astrophysics

submitted to Progress of Theoretical Physics. 28 pages, 13 figures

Scientific paper

10.1143/PTP.114.995

We discuss effects of magnetic fields on proto-neutron star winds by performing numerical simulation. We assume that the atmosphere of proto-neutron star has a homogenous magnetic field (ranging from ~10^{12} G to ~10^{15} G) perpendicular to the radial direction and examine the dependence of the three key quantities (dynamical time scale, electron fraction, and entropy per baryon) for the successful r-process on the magnetic field strength. Our results show that even with a magneter-class field strength, ~10^{15} G, the feature of the wind dynamics varies only little from that of non-magnetic winds, and that the condition for successful r-process is not realized.

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