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GR: Fachverband Gravitation und Relativitätstheorie

GR 3: Classical GR-2

GR 3.2: Vortrag

Dienstag, 31. August 2021, 14:15–14:30, H6

A wild doughnut chase: Polish doughnuts around boson stars and their peculiarities — •Matheus C. Teodoro¹, Lucas G. Collodel², and Jutta Kunz¹ — ¹Institute of Physics, University of Oldenburg 26111 Oldenburg, Germany — ²Theoretical Astrophysics, University of Tübingen 72076 Tübingen, Germany

In this talk we shall investigate and analyse some examples of polish doughnuts with a uniform constant specific angular momentum distribution in the space-times of rotating boson stars. These thick tori can exhibit peculiar features not present in Kerr space-times, specially in the context of retrograde tori. They may be endowed with two centers connect or not by a cusp or even present static surfaces. Inside these surfaces the fluid moves in prograde direction, while outside in the retrograde direction. All these features and how they appear will be the topic of this talk.