908 citations · 17.1k across the 335 of their papers we have counts for
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astro-ph1993
On the Difference between Radio Loud and Radio Quiet AGN
Karl Mannheim
Nuclear jets containing relativistic ``hot'' particles close to the central engine cool dramatically by producing high energy radiation. The radiative dissipation is similar to the…
astro-ph1993★ 4 cited
The Galactic Center radio jet
Heino Falcke, Karl Mannheim, Peter L. Biermann
Recent observations of the radio and NIR source Sgr A* reinforce the interpretation of the Galactic Center as a scaled down version of an AGN. The discovery of an elongated structu…
astro-ph1993★ 36 cited
The Proton Blazar
Karl Mannheim
Considering shock-accelerated protons in addition to electrons in a synchrotron radio jet naturally produces the observed X- through gamma ray continuum emission of flat-spectrum r…