151 citations · 2.7k across the 96 of their papers we have counts for
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Recollimation and Radiative Focusing of Relativistic Jets: Applications to Blazars and M87
Omer Bromberg, Amir Levinson
Recent observations of M87 and some blazars reveal violent activity in small regions located at relatively large distances from the central engine. Motivated by these consideration…
Relativistic Flows in TeV Blazars
Amir Levinson
Rapid variability of the TeV emission in several blazars implies a central black hole mass , appreciably smaller than the values estimated from the $M_{BH}-L_{b…
Collimation and Radiative Deceleration of Jets in TeV AGNs
Amir Levinson, Omer Bromberg
We consider some implications of the rapid X-ray and TeV variability observed in M87 and the TeV blazars. We outline a model for jet focusing and demonstrate that modest radiative…
Relativistic Photon Mediated Shocks
Amir Levinson, Omer Bromberg
A system of equations governing the structure of a steady, relativistic radiation dominated shock is derived, starting from the general form of the transfer equation obeyed by the…
On the Origin of Rapid Flares in TeV Blazars
Amir Levinson
The rapid variability of the VHE emission reported for some TeV blazars implies Doppler factors well in excess of those inferred from superluminal motions and unification schemes.…
Phenomenology of Gamma-Ray Jets
Amir Levinson
We discuss some phenomenological aspects of -ray emitting jets. In particular, we present calculations of the -sphere and -sphere for various target photon fields, and emp…