Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aspc..312..464v&link_type=abstract
Third Rome Workshop on Gamma-Ray Bursts in the Afterglow Era ASP Conference Series, Volume 312, Proceedings of the conference he
Astronomy and Astrophysics
Astronomy
Scientific paper
We demonstrate that hydromagnetic acceleration can be the driving mechanism of outflows in GRB sources. Using semianalytical solutions of the full set of the steady, axisymmetric, ideal hydromagnetic equations in flat spacetime -- i.e., solving the momentum equation along the flow as well as in the transfield direction -- we model the acceleration of the baryon/e±/photon fluid that emanates from a stellar-mass compact object/debris-disk system. We prove that for highly relativistic, multiple-shell outflows one can study the motion of each shell using steady-state equations. Employing a radially self-similar model, we find that the flow is initially thermally and subsequently magnetically accelerated. The Lorentz force is capable of transferring close to a half of the total energy of an initially Poynting-dominated flow to baryonic kinetic energy.
Konigl Arieh
Vlahakis Nektarios
No associations
LandOfFree
Hydromagnetic Acceleration of GRB Outflows does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Hydromagnetic Acceleration of GRB Outflows, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hydromagnetic Acceleration of GRB Outflows will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-891131