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The Multiple Paths to Merger of Unequal-Mass Black Hole Binaries in the Disks of Active Galactic Nuclei
Alexander J. Dittmann, Adam M. Dempsey, Hui Li
The accretion disks that power active galactic nuclei (AGN) are thought to house populations of stars and compact objects; after forming binaries these compact objects may merge, b…
Runaway Eccentricity Growth: A Pathway for Binary Black Hole Mergers in AGN Disks
Josh Calcino, Adam M. Dempsey, Alexander J. Dittmann +1
Binary black holes embedded within the accretion disks that fuel active galactic nuclei (AGN) are promising progenitors for the source of gravitational wave events detected by LIGO…
The Evolution of Inclined Binary Black Holes in the Disks of Active Galactic Nuclei
Alexander J. Dittmann, Adam M. Dempsey, Hui Li
The accretion disks that fuel active galactic nuclei (AGN) may house numerous stars and compact objects, formed in situ or captured from nearby star clusters. Embedded neutron star…
Hydrodynamical Simulations of Black-Hole Binary Formation in AGN Disks
Jiaru Li, Adam M. Dempsey, Hui Li +2
We study the close encounters between two single black holes (BHs) embedded in an AGN disk using a series of global 2D hydrodynamics simulations. We find that when the disk density…
Contracting and Expanding Binary Black Holes in 3D Low-Mass AGN Disks: The Importance of Separation
Adam M. Dempsey, Hui Li, Bhupendra Mishra +1
LIGO/Virgo has detected several binary black hole (BBH) merger events that may have originated in the accretion disks of Active Galactic Nuclei (AGN). These events require individu…
Hot Circumsingle Disks Drive Binary Black Hole Mergers in Active Galactic Nucleus Disks
Ya-Ping Li, Adam M. Dempsey, Hui Li +2
Binary black hole (BBH) mergers, particularly those with component masses in the pair-instability gap, may be produced by hierarchical mergers in the disks surrounding Active Galac…