Strong Gravity News & Events

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New Aspects of spontaneous scalarization of black holes beyond General relativity

GGD - Gr@V Seminar
Speaker
Zakaria Belkhadria (Université de Genève/Università degli Studi di Cagliari)
Event date
Venue
Hybrid: Sala 11.2.21 and Teams
Event type

Spontaneous scalarization is a mechanism that allows black holes to develop a non-trivial profile of a scalar field “scalar hair” because of tachyonic instabilities, enabling tests of gravity beyond General Relativity.

Discussion of the paper "A Black Hole is Born: 3D GRMHD Simulation of Black Hole Formation from Core-Collapse", by Goni Halevi al.

Speaker
Pedro Cunha (U. Aveiro)
Event date
Venue
Hybrid: Room Sousa Pinto and Microsoft Teams
Ends on
Event type

A Black Hole is Born: 3D GRMHD Simulation of Black Hole Formation from Core-Collaps

Goni Halevi, Swapnil Shankar, Philipp Mösta, Roland Haas, Erik Schnetter

arXiv:2506.20837 [astro-ph.HE]

Discussion of the paper "The Great Impersonation: W-Solitons as Prototypical Black Hole Microstates", by A. Dima et al.

Speaker
Eugen Radu (U. Aveiro)
Event date
Venue
Hybrid: Room Sousa Pinto and Microsoft Teams
Ends on
Event type

The Great Impersonation: W-Solitons as Prototypical Black Hole Microstates

Alexandru Dima, Pierre Heidmann, Marco Melis, Paolo Pani, Gela Patashuri

arXiv:2509.18245 [gr-qc]