The Fluid Dynamics of Jet-Galaxy Interactions

Dear Colleagues, 

During the past three decades, we have accumulated significant observational evidence concerning the interaction of jets from AGNs with the interstellar/intracluster media of their host galaxies and clusters. Recent radio surveys have started to extend to higher redshifts the available sample of relativistic jets propagating into the IGM, opening windows on the AGN–galaxies–IGM co-evolution and mutual feedback. 

Nonetheless, the theoretical modeling of these phenomena is not free of ambiguities. The self-similar model by (among others) Kaiser and Alexander (1997) does not provide a unique reference for this complex phenomenology, and numerical modeling is challenging due to the large range of spatial and temporal scales involved, from accretion scales having sizes of few hundreds Astronomical Units up to Megaparsec scales. 

The present Special Issue of Universe aims at collecting contributions on all these open issues. In addition to standard articles, we would like to solicit critical contributions and medium-sized review papers presenting original views, and also on the fluid mechanics of jet–ISM/IGM interactions, the mechanisms of jet generation from accretion disks, the interactions with BAL and NLR clouds, and the new observational aspects both for nearby and higher redshifts AGNs. 

Dr. Vincenzo Antonuccio-Delogu
Guest Editor

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