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相关论文: Observable Signatures of EMRI Black Hole Binaries …

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We present a theoretical study of the gravitational wave (GW) driven inspirals of accreting black hole binaries with mass $M = 10^7 M_\odot$ and mass ratios between $10^{-3}$ and $10^{-1}$. Our results are based on analytic estimates, and…

高能天体物理现象 · 物理学 2025-07-09 Madeline Clyburn , Jonathan Zrake

We study the evolution of eccentric, equatorial extreme-mass-ratio inspirals (EMRIs) immersed in the accretion disks of active galactic nuclei. We find that single gravitational-wave observations from these systems could provide…

广义相对论与量子宇宙学 · 物理学 2025-01-30 Francisco Duque , Shubham Kejriwal , Laura Sberna , Lorenzo Speri , Jonathan Gair

We study the effects of a thin gaseous accretion disk on the inspiral of a stellar--mass black hole into a supermassive black hole. We construct a phenomenological angular momentum transport equation that reproduces known disk effects. Disk…

宇宙学与河外天体物理 · 物理学 2015-05-27 Nicolás Yunes , Bence Kocsis , Abraham Loeb , Zoltán Haiman

Extreme mass ratio inspirals (EMRIs), where a small compact object inspiralls onto a supermassive black hole, are excellent sources for the space-based laser interferometer gravitational wave (GW) detectors. The presence of dark matter…

广义相对论与量子宇宙学 · 物理学 2024-01-10 Chao Zhang , Guoyang Fu , Ning Dai

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…

高能天体物理现象 · 物理学 2020-01-08 Y. Y. Wang , F. Y. Wang , Y. C. Zou , Z. G. Dai

Extreme Mass Ratio Inspirals (EMRIs) are important sources for space-borne gravitational wave detectors, such as LISA (Laser Interferometer Space Antenna) and TianQin. Previous EMRI rate studies have focused on the "loss cone" scenario,…

高能天体物理现象 · 物理学 2021-06-16 Zhen Pan , Huan Yang

Extreme mass ratio inspirals (EMRIs) occur when stellar-mass compact objects begin a gravitational wave (GW) driven inspiral into massive black holes. EMRI waveforms can precisely map the surrounding spacetime, making them a key target for…

星系天体物理 · 物理学 2023-04-27 Ismail Qunbar , Nicholas C. Stone

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…

高能天体物理现象 · 物理学 2018-10-02 Xian Chen , Wen-Biao Han

Extreme mass-ratio inspirals (EMRIs), namely binary systems composed of a massive black hole and a compact stellar-mass object, are anticipated to be among the gravitational wave (GW) sources detected by the Laser Interferometer Space…

宇宙学与河外天体物理 · 物理学 2025-02-23 Chang Liu , Danny Laghi , Nicola Tamanini

Wet extreme mass-ratio inspirals (wet EMRIs), which arise from stellar-mass black holes inspiral into supermassive black holes (SMBHs) within the gas-rich environments of Active Galactic Nuclei (AGN), are primary sources of gravitational…

高能天体物理现象 · 物理学 2026-02-05 Zhenwei Lyu , Zhen Pan , Junjie Mao , Ning Jiang , Huan Yang

Mergers of supermassive black hole binaries release peak power of up to ~10^57 erg/s in gravitational waves (GWs). As the GWs propagate through ambient gas, they induce shear and a small fraction of their power is dissipated through…

天体物理学 · 物理学 2010-04-30 Bence Kocsis , Abraham Loeb

The exact properties of dark matter remain largely unknown despite the accumulating evidence. If dark matter is composed of weakly interacting massive particles, it would be accreted by the black hole in the galactic center and form a…

宇宙学与河外天体物理 · 物理学 2022-09-07 Gen-Liang Li , Yong Tang , Yue-Liang Wu

The non-linear gravitational wave (GW) memory effect is a distinct prediction in general relativity. While the effect has been well studied for comparable mass binaries, it has mostly been overlooked for intermediate mass ratio inspirals…

广义相对论与量子宇宙学 · 物理学 2023-07-26 Tousif Islam , Scott E. Field , Gaurav Khanna , Niels Warburton

The gravitational-wave (GW) inspirals of stellar-mass compact objects onto a supermassive black hole (MBH), are some of the most promising GW sources detectable by next-generation space-born GW-detectors. The rates and characteristics of…

星系天体物理 · 物理学 2021-01-05 Yael Raveh , Hagai B. Perets

Extreme mass ratio inspirals (EMRIs) are compact binary systems characterized by a mass-ratio $q=m/M$ in the range $~10^{-9}-10^{-4}$ and represent primary gravitational wave (GW) sources for the forthcoming Laser Interferometer Space…

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…

广义相对论与量子宇宙学 · 物理学 2026-03-05 Mostafizur Rahman , Shailesh Kumar , Arpan Bhattacharyya

Extreme-mass-ratio inspirals (EMRIs) are promising gravitational-wave (GW) sources for space-based GW detectors. EMRI signals typically have long durations, ranging from several months to several years, necessitating highly accurate GW…

广义相对论与量子宇宙学 · 物理学 2025-01-27 Lu-Jia Xu , Shu-Cheng Yang , Wen-Biao Han , Xing-Yu Zhong , Run-Dong Tang , Yuan-Hao Zhang

The largest part of any gravitational-wave inspiral of a compact binary can be understood as a slow, adiabatic drift between the trajectories of a certain referential conservative system. In many contexts, the phase space of this…

广义相对论与量子宇宙学 · 物理学 2021-11-23 Georgios Lukes-Gerakopoulos , Vojtěch Witzany

Extreme-mass-ratio inspirals (EMRIs) carry valuable information about their surrounding astrophysical environments. Over the course of their long-term evolution, interactions between the secondary object and the accretion disk can produce…

广义相对论与量子宇宙学 · 物理学 2026-04-14 Jian-Dong Liu , Wen-Biao Han , Hiromichi Tagawa

The coalescence of a compact object with a $10^{4}-10^{7} {\rm M_\odot}$ supermassive black hole (SMBH) produces mHz gravitational waves (GWs) detectable by the future Laser Interferometer Space Antenna (LISA). If such an inspiral occurs in…

高能天体物理现象 · 物理学 2019-11-14 A. Derdzinski , D. D'Orazio , P. Duffell , Z. Haiman , A. MacFadyen
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