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Galactic-scale Feeding Reveals Warped Hypermagnetized Multiphase Circumbinary Accretion Around Supermassive Black Hole Binaries

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arxiv 2504.03874 v1 pith:NC4N7FPI submitted 2025-04-04 astro-ph.HE astro-ph.GA

Hai-Yang Wang , Minghao Guo , Elias R. Most , Philip F. Hopkins , Aretaios Lalakos This is my paper · ORCID
classification astro-ph.HEastro-ph.GA
keywords accretionhypermagnetizedbinariesbinaryblackcircumbinaryfeedinghole
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Supermassive black hole (SMBH) binaries in gaseous and stellar environments are prime targets for next-generation space-based gravitational wave detectors. Yet, realistic accretion conditions under which these binary systems evolve are not fully understood. In this work, we demonstrate the hypermagnetized multi-phase nature of the surrounding accretion flow formed by large-scale feeding from a galaxy background. Our simulations indicate that the hypermagnetized circumbinary disk is eccentric and warped, hosting a hot gas core for a parsec-scale separated binary. We also observe collimated bipolar magnetic tower-like outflows launched from each SMBH.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Universal Radial Scaling of Large-Scale Black Hole Accretion for Magnetically Arrested And Rocking Accretion Disks

    astro-ph.HE 2025-05 conditional novelty 7.0 of 10

    Black hole accretion simulations show a universal inward mass flow scaling, about r^0.66 in magnetically arrested disks and r^0.87 in rocking accretion disks, with a repeating cycle that may set jet duty cycles.

  2. $\textit{BMAD}$-Circumbinary Magnetically Arrested Disks around Stellar or Black Hole Binaries: Hot Accretion Flows, Disk Properties, and Angular Momentum Transfer

    astro-ph.HE 2025-08 conditional novelty 6.0 of 10

    Circumbinary accretion disks can enter a magnetically arrested state, and in weakly cooled or adiabatic regimes the resulting magnetic flux eruptions may drive the binary orbit to shrink.

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