Propagation of relativistic jets through dense radiation fields in AGN.

Details Propagation of relativistic jets through dense radiation fields in AGN. Propagation of relativistic jets through dense radiation fields in AGN.

Dec 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996a%26as..120c.579s&link_type=abstract

Astronomy and Astrophysics Supplement, v.120, p.579-582

Astronomy and Astrophysics

Astrophysics

Galaxies: Jets, Galaxies: Active, Scattering

Scientific paper

We present the results of our studies on radiation drag imposed on both cold and relativistic plasma components in a jet propagating at relativistic speeds through a dense radiation field in AGN. We show that in portions of the jet which are energetically dominated by the magnetic fields, the radiation drag imposed on the jet flow through relativistic electrons/positrons can be dynamically important out to distances on the order of the size of the broad emission line region. Both Compton forces imposed on electrons/positrons by ambient radiation fields and Compton cooling rates of relativistic particles are calculated by using a radiation tensor formalism. With this method, we were also able to derive several simple analytical formulae allowing quick estimates of dynamical and radiative effects resulting from the interaction of relativistic jets with a variety of external radiation-field distributions.

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