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Black Hole Binary Formation in AGN Discs: From Isolation to Merger
Connar Rowan, Tjarda Boekholt, Bence Kocsis +1
Motivated by the increasing number of detections of merging black holes by LIGO-VIRGO-KAGRA, black hole (BH) binary mergers in the discs of active galactic nuclei (AGN) is investig…
Resonant Dynamical Friction Around a Super-Massive Black Hole: Analytical Description
Yonadav Barry Ginat, Taras Panamarev, Bence Kocsis +1
We derive an analytical model for the so-called phenomenon of `resonant dynamical friction', where a disc of stars around a super-massive black hole interacts with a massive pertur…
A numerical study of stellar discs in galactic nuclei
Taras Panamarev, Bence Kocsis
We explore the dynamics of stellar discs in the close vicinity of a supermassive black hole (SMBH) by means of direct -body simulations. We show that an isolated nuclear stellar…
Merger rates of intermediate-mass black hole binaries in nuclear star clusters
Giacomo Fragione, Abraham Loeb, Bence Kocsis +1
Repeated mergers of stellar-mass black holes (BHs) in dense star clusters can produce intermediate-mass black holes (IMBHs). In particular, nuclear star clusters at the centers of…
On the Jacobi capture origin of binaries with applications to the Earth-Moon system and black holes in galactic nuclei
Tjarda C. N. Boekholt, Connar Rowan, Bence Kocsis
Close encounters between two bodies in a disc often result in a single orbital deflection. However, within their Jacobi volumes, where the gravitational forces between the two bodi…
Secular Spin-orbit Resonances of Black Hole Binaries in AGN Disks
Gongjie Li, Hareesh Gautham Bhaskar, Bence Kocsis +1
The spin-orbit misalignment of stellar-mass black hole (sBH) binaries provide important constraints on the formation channels of merging sBHs. Here, we study the role of secular sp…