409 citations · 9.6k across the 232 of their papers we have counts for
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astro-ph2002★ 3 cited
Single and binary Black Holes and their active environment
Peter L. Biermann, Mihaela Chirvasa, Heino Falcke +2
In this short review we describe some of the latest endeavours to understand the activity around Black Holes. First, it has been possible to demonstrate that a large part of the el…
astro-ph2002★ 39 cited
Binary black holes and tori in AGN II. Can stellar winds constitute a dusty torus?
Christian Zier, Peter L. Biermann
We determine the properties of the stellar torus that we showed in a previous paper to result as a product of two merging black holes. If the surrounding stellar cluster is as mass…
astro-ph2002
Introduction to Cosmic Rays
Peter Biermann, Guenter Sigl
Energetic particles, traditionally called Cosmic Rays, were discovered nearly a hundred years ago, and their origin is still uncertain. Their main constituents are the normal nucle…