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Gravitational Collider Physics via Pulsar-Black Hole Binaries II: Fine and Hyperfine Structures are Favored

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arxiv 2106.13484 v2 pith:DT25JQ75 submitted 2021-06-25 astro-ph.HE gr-qchep-phhep-th

Xi Tong , Yi Wang , Hui-Yu Zhu This is my paper · ORCID
classification astro-ph.HEgr-qchep-phhep-th
keywords transitionsfinegravitationalholehyperfinestructurepulsarpulsar-black
verification ladder T0 review T1 audit T2 compute T3 formal
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A rotating black hole can be clouded by light bosons via superradiance, and thus acquire an atom-like structure. If such a gravitational atom system is companioned with a pulsar, the pulsar can trigger transitions between energy levels of the gravitational atom, and these transitions can be detected by pulsar timing. We show that in such pulsar-black hole systems, fine and hyperfine structure transitions are more likely to be probed than the Bohr transition. Also, the calculation of these fine and hyperfine structure transitions are under better analytic control. Thus, these fine and hyperfine structure transitions are more ideal probes in the search for gravitational collider signals in pulsar-black hole systems.

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Cited by 3 Pith papers

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

  1. Ultralight Boson Ionization from Comparable-Mass Binary Black Holes

    gr-qc 2025-09 conditional novelty 7.0 of 10

    Ionization of boson molecules bound to a black hole binary can dominate gravitational-wave losses during early inspiral, imprinting a turnover in the nanohertz GW background and circularizing the orbit.

  2. Probing vector gravitational atoms with eccentric intermediate mass-ratio inspirals

    gr-qc 2024-11 conditional novelty 5.0 of 10

    Eccentric intermediate-mass-ratio inspirals around vector gravitational atoms acquire faster decay, stronger circularization, and negative periastron precession, making the cloud visible to LISA-like detectors.

  3. Gravitational Atoms and Black Hole Binaries

    gr-qc 2024-12 conditional novelty 3.0 of 10

    A boson cloud around a black hole efficiently ionizes when a binary companion inspirals, and the resulting energy loss plus resonant eccentricity and inclination preferences create detectable gravitational-wave signat...

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