Astronomy and Astrophysics – Astrophysics – High Energy Astrophysical Phenomena
Scientific paper
2009-01-29
2007RMxAC..27..240L
Astronomy and Astrophysics
Astrophysics
High Energy Astrophysical Phenomena
6 pages, 5 figures. Published in: Triggering Relativistic Jets (Eds. William H. Lee & Enrico Ramirez-Ruiz) Revista Mexicana de
Scientific paper
The jets observed to emanate from many compact accreting objects may arise from the twisting of the magnetic field threading a differentially rotating accretion disk which acts to magnetically extract angular momentum and energy from the disk. Two main regimes have been discussed, hydromagnetic outflows, which have a significant mass flux and have energy and angular momentum carried by both matter and electromagnetic field and, Poynting outflows, where the mass flux is negligible and energy and angular momentum are carried predominantly by the electromagnetic field. We describe recent theoretical work on the formation of relativistic Poynting jets from magnetized accretion disks and new relativistic, fully-electromagnetic, particle-in-cell simulations of the formation of jets from accretion disks.
Lovelace Richard V. E.
Romanova Marina M.
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