[astroseminar at Sapienza] Reminder for the seminar by Dominik Schleicher, today at 4 pm

[Raffaella Schneider]

Dear Colleagues,

This a gentle reminder for the following seminar, that will be held remotely.

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Mercoledi 12 Gennaio alle 16:00

Dominik Schleicher
Università di Conception, Cile

Title: Formation of the first supermassive black holes

Abstract:
For the origin of the first supermassive black holes in the Universe, different scenarios have been proposed, ranging from the direct collapse of massive gas clouds into one single object, run-away collisions in very dense stellar clusters, as well as accretion of initially stellar-mass black holes. In this talk I will present progress from the last several years in these different scenarios, starting with systematic tests of the direct collapse scenario and the conditions under which it is feasible. I will also discuss the possibility to have purely collison-based scenarios and their possible problems. Finally, I will present a new mixed scenario where the formation of a massive object is due to the interplay of collisions and accretions, including new results from recent numerical simulations.

https://uniroma1.zoom.us/j/81122901013?pwd=M1hnRHRXZkEyeW1QMFlPQ2FXa0dNZz09#success <https://uniroma1.zoom.us/j/81122901013?pwd=M1hnRHRXZkEyeW1QMFlPQ2FXa0dNZz09#success>

Meeting ID: 81122901013
Passcode: 686688
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All the best

Raffaella

Prof. Raffaella Schneider
raffaella.schneider at uniroma1.it
Dipartimento di Fisica 
Senior Fellow Scuola Superiore di Studi Avanzati Sapienza
Sapienza Università di Roma
P.le A. Moro 2, 00185 Roma, Italy
Phone: +39 06 4991 4312
Skype: raffasch
Zoom: https://uniroma1.zoom.us/j/86080015153?pwd=dlV1eVNsS0xwazlMWTVZV05YeXZyUT09



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