Schedule Feb 06, 2006
Making a GRB Jet
Daniel Proga (UNLV)

I review recent results from numerical simulations of a magnetized flow in the vicinity of a black hole in the context of the collapsar model for GRBs.The simulations show that after an initial transient, the flow settles intoa complex convolution of several distinct flow components. I discuss the nature and connection between these components, in particular between the inflows and related outflows. I also discuss how and under what conditions the collapsing stellar envelope can trigger a very strong and fast outflow that can become a super-relativistic jet.

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