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相关论文: Mass-gap extreme mass ratio inspirals

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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…

Extreme Mass Ratio Inspirals (EMRIs) can be classified as dry EMRIs and wet EMRIs based on their formation mechanisms. Dry (or the "loss-cone") EMRIs, previously considered as the main EMRI sources for the Laser Interferometer Space…

高能天体物理现象 · 物理学 2021-09-08 Zhen Pan , Zhenwei Lyu , 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 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) of stellar-mass black holes (BHs) are among the main targets for upcoming low-frequency gravitational wave (GW) detectors such as the Laser Interferometer Space Antenna (LISA). In the classical scenario,…

高能天体物理现象 · 物理学 2024-09-18 Karamveer Kaur , Hagai Perets

Supermassive black holes and their surrounding dense stellar environments nourish a variety of astrophysical phenomena. We focus on the distribution of stellar-mass black holes around the supermassive black hole and the consequent formation…

星系天体物理 · 物理学 2024-12-11 Barak Rom , Itai Linial , Karamveer Kaur , Re'em Sari

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

Close encounters between two initially unbound objects can result in a binary system if enough energy is released as gravitational waves (GWs). We address the scenario in which such encounters occur in merging elliptical galaxies. There is…

Extreme mass-ratio inspirals (EMRIs) are long-duration gravitational-wave sources in which a compact object gradually spirals into a massive black hole. Their formation is governed by the interplay between stochastic angular-momentum…

广义相对论与量子宇宙学 · 物理学 2026-03-11 Chen Feng , Yong Tang

Compact stellar objects inspiralling into massive black holes (MBHs) in galactic nuclei are some of the most promising gravitational wave (GWs) sources for next generation GW-detectors. The rates of such extreme mass ratio inspirals (EMRIs)…

星系天体物理 · 物理学 2016-10-12 Danor Aharon , Hagai B. Perets

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

We present realistic eccentricity distributions for extreme mass ratio inspirals (EMRIs) forming via the two-body relaxation channel in nuclear star clusters, tracking their evolution up to the final plunge onto the central Schwarzschild…

高能天体物理现象 · 物理学 2026-03-02 Davide Mancieri , Luca Broggi , Morgan Vinciguerra , Alberto Sesana , Matteo Bonetti

Compact remnants on orbits with peri-apses close to the Schwarzschild radius of a massive black hole (MBH) lose orbital energy by emitting gravitational waves (GWs) and spiral in. Scattering with other stars allows successful inspiral of…

天体物理学 · 物理学 2009-11-11 Clovis Hopman

Using an analytic, static, and spherically symmetric metric for a Schwarzschild black hole immersed in a dark matter (DM) halo with the Hernquist-type profile, we derive analytic expressions for the orbital period and precession of…

广义相对论与量子宇宙学 · 物理学 2024-11-01 Ning Dai , Yungui Gong , Yang Zhao , Tong Jiang

Extreme mass ratio inspirals (EMRIs) are anticipated to be primary gravitational wave sources for LISA (Laser Interferometer Space Antenna). They form in dense nuclear clusters when a compact object (CO) is captured by the central massive…

高能天体物理现象 · 物理学 2025-03-04 Davide Mancieri , Luca Broggi , Matteo Bonetti , Alberto Sesana

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

The coalescence of stellar-mass primordial black holes (PBHs) might explain some of the gravitation waves (GWs) events detected by LIGO-Virgo-KAGRA. On the other hand, observational hints for supermassive PBHs (SMPBHs) have been…

宇宙学与河外天体物理 · 物理学 2024-03-21 Hai-Long Huang , Tian-Yi Song , Yun-Song Piao

Extreme-mass-ratio inspirals (EMRIs), consisting of a massive black hole and a stellar compact object, are one of the most important sources for space-borne gravitational wave detectors like TianQin. Their population study can be used to…

高能天体物理现象 · 物理学 2025-05-08 Hui-Min Fan , Xiang-Yu Lyu , Jian-dong Zhang , Yi-Ming Hu , Rong-Jia Yang , Tai-Fu Feng

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

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…

广义相对论与量子宇宙学 · 物理学 2023-08-01 Lukáš Polcar , Georgios Lukes-Gerakopoulos , Vojtěch Witzany
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