Role of Reconnection in AGN Jets

Details Role of Reconnection in AGN Jets Role of Reconnection in AGN Jets

2002-11-14

arxiv.org/abs/astro-ph/0211338v1

New Astron.Rev. 47 (2003) 513-515

Astronomy and Astrophysics

Astrophysics

4 pages, Proceedings of the conference "The Physics of Relativistic Jets in the CHANDRA and XMM Era", 23-27 September 2002, Bo

Scientific paper

10.1016/S1387-6473(03)00083-6

We discuss the possible role of reconnection in electro-magnetically dominated cores of relativistic AGN jets. We suggest that reconnection may proceed in a two-fold fashion: initial explosive collapse on the Alfven time-scale of a current-carrying jet (which is of the order of the light crossing time) and subsequent slow quasi-steady reconnection. Sites of explosive collapse are associated with bright knots, while steady-state reconnection re-energizes particles in the ``bridges'' between the knots. Ohmic dissipation in reconnection layers leads to particle acceleration either by inductive electric fields or by stochastic particle acceleration in the ensuing electro-magnetic turbulence.

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