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"Conditions for jet formation in accreting neutron stars: the magnetic field decay"
F. García, D.N. Aguilera and G.E. Romero
Proc. of the IAU Symposium 275 "Jets at all Scales", Buenos Aires, Argentina, September 13-17, 2010. Ed. G.E. Romero, R.A. Sunyaev and T. Belloni
Proceedings of the International Astronomical Union, Volume 6 Issue S275 (2011) 309-310
Accreting neutron stars can produce jets only if they are weakly magnetized (B ~ 108 G). On the other hand, neutron stars are compact objects born with strong surface magnetic fields (B ~ 1012 G). In this work we study the conditions for jet formation in a binary system formed by a neutron star and a massive donor star once the magnetic field has decayed due to accretion. We solve the induction equation for the magnetic field diffusion in a realistic neutron star crust and discuss the possibility of jet launching in systems like the recently detected Supergiant Fast X-ray Transients.
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