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Related papers: Tidal heating as a discriminator for horizons in e…

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The horizon of a classical black hole (BH), functioning as a one-way membrane, plays a vital role in the dynamic evolution of binary BHs, capable of absorbing fluxes entirely. Tidal heating, stemming from this phenomenon, exerts a notable…

General Relativity and Quantum Cosmology · Physics 2024-09-04 Tieguang Zi , Chang-Qing Ye , Peng-Cheng Li

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…

General Relativity and Quantum Cosmology · Physics 2026-02-12 Zhong-Wu Xia , Sheng Long , Qiyuan Pan , Jiliang Jing , Wei-Liang Qian

The defining feature of a classical black hole is being a perfect absorber. Any evidence showing otherwise would indicate a departure from the standard black-hole picture. Energy and angular momentum absorption by the horizon of a black…

General Relativity and Quantum Cosmology · Physics 2020-02-12 Sayak Datta , Richard Brito , Sukanta Bose , Paolo Pani , Scott A. Hughes

Extreme-mass-ratio inspiral (EMRI) is an important gravitational-wave (GW) source and it normally consists of one stellar-mass black hole (BH) whirling closely around a supermassive black hole (SMBH). In this Letter, we demonstrate that the…

High Energy Astrophysical Phenomena · Physics 2018-10-02 Xian Chen , Wen-Biao Han

Extreme mass ratio inspirals (EMRIs) will be important sources for future space-based gravitational-wave detectors. In recent work, tidal resonances in binary orbital evolution induced by the tidal field of nearby stars or black holes have…

General Relativity and Quantum Cosmology · Physics 2021-08-25 Priti Gupta , Béatrice Bonga , Alvin J. K. Chua , Takahiro Tanaka

The field of gravitational waves is rapidly progressing due to the noticeable advancements in the sensitivity of gravitational-wave detectors that has enabled the detection prospects of binary black hole mergers. Extreme mass ratio inspiral…

General Relativity and Quantum Cosmology · Physics 2026-03-05 Mostafizur Rahman , Shailesh Kumar , Arpan Bhattacharyya

Studies regarding extra-dimensions have been of great interest in modern theoretical physics, including their observational consequences from future gravitational wave (GW) observatories. In this direction, extreme-mass-ratio inspirals…

General Relativity and Quantum Cosmology · Physics 2025-07-17 Shailesh Kumar , Tieguang Zi , Arpan Bhattacharyya

We extend the work of Ryan on mapping the spacetime of the central object of an extreme mass-ratio inspiral (EMRI) by using gravitational waves (GWs) emitted by the system, which may be observed in future missions such as LISA. Whether the…

General Relativity and Quantum Cosmology · Physics 2021-02-12 Sayak Datta , Sukanta Bose

We describe a new class of resonances for extreme mass-ratio inspirals (EMRIs): tidal resonances, induced by the tidal field of nearby stars or stellar-mass black holes. A tidal resonance can be viewed as a general relativistic extension of…

General Relativity and Quantum Cosmology · Physics 2019-09-24 Béatrice Bonga , Huan Yang , Scott A. Hughes

Inspirals of stellar-mass compact objects into massive black holes, known as extreme mass ratio inspirals (EMRIs), are one of the key targets for upcoming space-based gravitational-wave detectors. In this paper we take the first steps…

General Relativity and Quantum Cosmology · Physics 2023-08-01 Lukáš Polcar , Georgios Lukes-Gerakopoulos , Vojtěch Witzany

During the early phase of in-spiral of a binary system, the tidal heating of a compact object due to its companion plays a significant role in the determination of the orbital evolution of the binary. The phenomenon depends crucially on the…

General Relativity and Quantum Cosmology · Physics 2021-11-10 Sumanta Chakraborty , Sayak Datta , Subhadip Sau

The characteristic difference between a black hole and other exotic compact objects (ECOs) is the presence of the horizon. The horizon of a classical black hole acts as a one-way membrane. Due to this nature, any perturbation on the black…

General Relativity and Quantum Cosmology · Physics 2021-05-25 Sayak Datta

Astrophysical observations point toward strong evidence for the existence of black holes (BHs). Nevertheless, it is yet to be established or ruled out with confidence whether some exotic compact objects (ECOs), capable of mimicking black…

General Relativity and Quantum Cosmology · Physics 2024-12-02 Samanwaya Mukherjee

We present the first constraints on tidal heating for the binary systems detected in the LIGO-Virgo-KAGRA (LVK) gravitational wave data. Tidal heating, also known as tidal dissipation, characterizes the viscous nature of an astrophysical…

General Relativity and Quantum Cosmology · Physics 2024-04-24 Horng Sheng Chia , Zihan Zhou , Mikhail M. Ivanov

The effect of energy absorption during the binary evolution of Exotic-compact-objects (ECOs) is extensively studied. We review the underlying mechanism that provides the energy dissipation in material objects - tidal friction. We show that…

General Relativity and Quantum Cosmology · Physics 2021-07-05 Yotam Sherf

The extreme mass ratio inspiral (EMRI), defined as a stellar-mass compact object inspiraling into a supermassive black hole (SMBH), has been widely argued to be a low-frequency gravitational wave (GW) source. EMRIs providing accurate…

High Energy Astrophysical Phenomena · Physics 2020-01-08 Y. Y. Wang , F. Y. Wang , Y. C. Zou , Z. G. Dai

A binary extreme-mass-ratio inspiral (b-EMRI) is a hierarchical triple system consisting of a stellar-mass binary black hole (BBH) orbiting a central Kerr supermassive black hole (SMBH). Although predicted by several astrophysical models,…

General Relativity and Quantum Cosmology · Physics 2025-05-06 Yucheng Yin , Josh Mathews , Alvin J. K. Chua , Xian Chen

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…

General Relativity and Quantum Cosmology · Physics 2022-04-21 Viktor Skoupý , Georgios Lukes-Gerakopoulos

One of the important targets for the future space-based gravitational wave observatory LISA is extreme mass ratio inspirals (EMRIs), where long and accurate waveform modeling is necessary for detection and characterization. Modeling EMRI…

General Relativity and Quantum Cosmology · Physics 2023-10-11 David Bronicki , Alejandro Cárdenas-Avendaño , Leo C. Stein

The inspiral of a stellar-mass compact object into a massive ($\sim 10^{4}$-$10^{7} M_{\odot}$) black hole produces an intricate gravitational-wave signal. Due to the extreme-mass ratios involved, these systems complete $\sim…

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