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Extreme mass ratio inspirals (EMRIs), as a core target for future space-based gravitational wave detection, offer crucial observational grounds for testing strong-field gravitational theories and classifying black holes through their…

广义相对论与量子宇宙学 · 物理学 2026-03-10 Xiuqin He , Zhaoyi Xu , Meirong Tang

One of the primary sources for the future space-based gravitational wave detector, the Laser Interferometer Space Antenna, are the inspirals of small compact objects into massive black holes in the centres of galaxies. The gravitational…

广义相对论与量子宇宙学 · 物理学 2021-06-16 Lorenzo Speri , Jonathan R. Gair

This paper evaluates the potential for constraining the quantum scale parameter $\xi$ of regular black hole within the asymptotically safe gravity framework using gravitational waves from extreme mass ratio inspirals (EMRIs). Since $\xi$…

广义相对论与量子宇宙学 · 物理学 2025-10-06 Lai Zhao , Meirong Tang , Zhaoyi Xu

We study extreme mass ratio inspirals (EMRIs) due to an infalling Light Compact Object (LCO) onto a generic class of stationary and axi-symmetric massive compact objects (MCO - with or without a horizon). Using the quadrupole hybrid…

广义相对论与量子宇宙学 · 物理学 2023-06-29 Jorge F. M. Delgado , Carlos A. R. Herdeiro , Eugen Radu

The detection of gravitational waves from Extreme mass Ratio Inspirals (EMRIs) by the future space-based gravitational-wave detectors demands the generation of accurate enough waveform templates. Since the spin of the smaller secondary body…

广义相对论与量子宇宙学 · 物理学 2022-04-21 Viktor Skoupý , Georgios Lukes-Gerakopoulos

One of the most exciting potential sources of gravitational waves for the Laser Interferometer Space Antenna (LISA) are the inspirals of approximately solar mass compact objects into massive black holes in the centres of galaxies - extreme…

广义相对论与量子宇宙学 · 物理学 2009-11-13 Jonathan R Gair

We develop the first model for extreme mass-ratio inspirals (EMRIs) into a rotating massive black hole driven by the gravitational self-force. Our model is based on an action angle formulation of the method of osculating geodesics for…

广义相对论与量子宇宙学 · 物理学 2022-08-04 Philip Lynch , Maarten van de Meent , Niels Warburton

Constituted with a massive black hole and a stellar mass compact object, Extreme Mass Ratio Inspiral (EMRI) events hold unique opportunity for the study of massive black holes, such as by measuring and checking the relations among the mass,…

广义相对论与量子宇宙学 · 物理学 2021-09-06 Tie-Guang Zi , Jian-dong Zhang , Hui-Min Fan , Xue-Ting Zhang , Yi-Ming Hu , Changfu Shi , Jianwei Mei

A compact object with a mass $\mathcal{O}(1 \sim 1000) M_{\odot}$, such as a black hole of stellar or primordial origin or a neutron star, and a much lighter exotic compact object with a subsolar mass could form a non-standard mini extreme…

天体物理仪器与方法 · 物理学 2022-05-24 Huai-Ke Guo , Andrew Miller

We examine a loop quantum gravity (LQG) inspired rotating black hole, treating it as a central supermassive black hole (SMBH) in an extreme mass-ratio inspiral (EMRI) system, where an inspiralling object exhibits eccentric motion around the…

广义相对论与量子宇宙学 · 物理学 2025-05-20 Tieguang Zi , Shailesh Kumar

Extreme mass ratio inspirals (EMRIs) provide unique probes of near-horizon dissipation through the tidal heating. We present a full Bayesian analysis of tidal heating in equatorial eccentric EMRIs by performing injection-recovery studies…

广义相对论与量子宇宙学 · 物理学 2026-02-12 Zhong-Wu Xia , Sheng Long , Qiyuan Pan , Jiliang Jing , Wei-Liang Qian

Scalar-tensor theories with a scalar field coupled to the Gauss-Bonnet invariant can evade no-hair theorems and allow for non-trivial scalar profiles around black holes. This coupling is characterized by a length scale $\lambda$, which, in…

广义相对论与量子宇宙学 · 物理学 2025-09-24 Clemente Smarra , Lodovico Capuano , Adrien Kuntz

Extreme mass-ratio inspirals (EMRIs), consisting of a stellar-mass compact object spiraling into a massive black hole, are key sources for future space-based gravitational wave observatories such as LISA. Accurate modeling of these systems…

广义相对论与量子宇宙学 · 物理学 2025-12-16 Viktor Skoupý , Gabriel Andres Piovano , Vojtěch Witzany

Systems consisting of a massive black hole and a stellar-origin compact object (CO), known as extreme-mass-ratio inspirals (EMRIs), are of great significance for space-based gravitational-wave detectors, as they will allow for testing…

高能天体物理现象 · 物理学 2020-10-06 Hui-Min Fan , Yi-Ming Hu , Enrico Barausse , Alberto Sesana , Jian-dong Zhang , Xuefeng Zhang , Tie-Guang Zi , Jianwei Mei

We model the quasicircular inspiral of a compact object into a more massive charged black hole. Extreme and intermediate mass-ratio inspirals are considered through a small mass-ratio approximation. Reissner-Nordstr$\ddot{\text{o}}$m…

广义相对论与量子宇宙学 · 物理学 2018-06-06 Ruomin Zhu , Thomas Osburn

We investigate the interplaying effects of black hole scalarization and superradiance in the context of the Einstein-Maxwell-scalar model, with the scalar field possessing electric charge. Restricted to spherical symmetry, our linear…

广义相对论与量子宇宙学 · 物理学 2025-08-18 Sebastian Garcia-Saenz , Guangzhou Guo , Peng Wang , Xinmiao Wang

Extreme-mass-ratio inspirals consist of binary systems of compact objects, with orders of magnitude differences in their masses, in the regime where the dynamics are driven by gravitational wave emission. The unique nature of…

广义相对论与量子宇宙学 · 物理学 2024-07-12 Alejandro Cárdenas-Avendaño , Carlos F. Sopuerta

It is known that massive black holes (MBHs) of $10^{5-7}\,M_\odot$ could capture small compact objects to form extreme-mass-ratio inspirals (EMRIs). Such systems emit gravitational waves (GWs) in the band of the Laser Interferometer Space…

广义相对论与量子宇宙学 · 物理学 2019-03-29 Wen-Biao Han , Xian Chen

The inspiral of stellar compact objects into massive black holes, usually known as extreme-mass-ratio inspirals (EMRIs), is one of the most important sources of gravitational-waves for the future Laser Interferometer Space Antenna (LISA).…

广义相对论与量子宇宙学 · 物理学 2010-01-28 Carlos F. Sopuerta , Nicolas Yunes

We study the coupling of massive scalar fields to matter in orbit around rotating black holes. It is generally expected that orbiting bodies will lose energy in gravitational waves, slowly inspiralling into the black hole. Instead, we show…

广义相对论与量子宇宙学 · 物理学 2015-05-30 Vitor Cardoso , Sayan Chakrabarti , Paolo Pani , Emanuele Berti , Leonardo Gualtieri