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Abstract: We discuss the formation of supermassive black holes in the early universe,and how to probe their subsequent evolution with the upcoming mm-sub-mmtelescope ALMA. We first focus on the chemical and radiative conditions forblack hole formation, in particular considering radiation trapping andmolecular dissociation effects. We then turn our attention towards the magneticproperties in the halos where the first black holes form, and show that thepresence of turbulence may lead to a magnetic dynamo, which could support theblack hole formation process by providing an efficient means of transportingthe angular momentum. We finally focus on observable properties ofhigh-redshift black holes with respect to ALMA, and discuss how to distinguishbetween chemistry driven by the starburst and chemistry driven by X-rays fromthe black hole.



Author: Dominik R. G. Schleicher, Robi Banerjee, Sharanya Sur, Simon C. O. Glover, Marco Spaans, Ralf S. Klessen

Source: https://arxiv.org/







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