Barak Rom
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View article: Mass Segregation and Transient Formation in Nuclear Stellar Clusters
Mass Segregation and Transient Formation in Nuclear Stellar Clusters Open
Supermassive black holes at the centers of galaxies occasionally disrupt stars or consume stellar-mass black holes (BHs) that wander too close, producing observable electromagnetic or gravitational wave signals. We examine how mass segrega…
View article: Semianalytical Fokker–Planck Models for Nuclear Star Clusters
Semianalytical Fokker–Planck Models for Nuclear Star Clusters Open
We study the dynamics of nuclear star clusters, the dense stellar environments surrounding massive black holes in the centers of galaxies. We consider angular momentum diffusion due to two-body scatterings among stellar objects and energy …
View article: Dynamics Around Supermassive Black Holes: Extreme-mass-ratio Inspirals as Gravitational-wave Sources
Dynamics Around Supermassive Black Holes: Extreme-mass-ratio Inspirals as Gravitational-wave Sources Open
Supermassive black holes and their surrounding dense stellar environments nourish a variety of astrophysical phenomena. We focus on the distribution of stellar-mass black holes around the supermassive black hole and the consequent formatio…
View article: Dynamics around supermassive black holes: Extreme mass-ratio inspirals as gravitational-wave sources
Dynamics around supermassive black holes: Extreme mass-ratio inspirals as gravitational-wave sources Open
Supermassive black holes and their surrounding dense stellar environments nourish a variety of astrophysical phenomena. We focus on the distribution of stellar-mass black holes around the supermassive black hole and the consequent formatio…
View article: Semi-Analytical Fokker Planck Models for Nuclear Star Clusters
Semi-Analytical Fokker Planck Models for Nuclear Star Clusters Open
We study the dynamics of nuclear star clusters, the dense stellar environments surrounding massive black holes in the centers of galaxies. We consider angular momentum diffusion due to two-body scatterings among stellar objects and energy …
View article: Formation of Merging Stellar-mass Black Hole Binaries by Gravitational-wave Emission in Active Galactic Nucleus Disks
Formation of Merging Stellar-mass Black Hole Binaries by Gravitational-wave Emission in Active Galactic Nucleus Disks Open
Many stellar-mass black holes (sBHs) are expected to orbit supermassive black holes at galactic centers. For galaxies with active galactic nuclei, it is likely that the sBHs reside in a disk. We study the formation of sBH binaries via grav…
View article: Energy Flux and Particle Flux in Steady-state Solutions of Nuclear Star Clusters
Energy Flux and Particle Flux in Steady-state Solutions of Nuclear Star Clusters Open
We examine the effects of two-body interactions in a nuclear star cluster surrounding a supermassive black hole. We evaluate the energy flux, analogously to the particle flux calculation of Bahcall and Wolf. We show that there are two type…
View article: Energy Flux and Particle Flux in Steady-State Solutions of Nuclear Star Clusters
Energy Flux and Particle Flux in Steady-State Solutions of Nuclear Star Clusters Open
We examine the effects of two-body interactions in a nuclear star cluster surrounding a supermassive black hole. We evaluate the energy flux, analogously to the particle flux calculation of Bahcall and Wolf (1976). We show that there are t…
View article: Extreme Mass-Ratio Binary Black Hole Merger: Characteristics of the Test-Particle Limit
Extreme Mass-Ratio Binary Black Hole Merger: Characteristics of the Test-Particle Limit Open
We study binary black hole mergers in the extreme mass-ratio limit. We determine the energy, angular momentum, and linear momentum of the post-merger, remnant black hole. Unlike previous works, we perform our analysis directly in the test-…