English
Related papers

Related papers: Intermediate-mass-ratio inspirals with general dyn…

200 papers

When a stellar massive compact object, such as a black hole (BH), inspirals into an intermediate massive black hole (IMBH), an intermediate-mass-ratio-inspiral (IMRI) system forms. Such kind of systems are important sources for space-based…

High Energy Astrophysical Phenomena · Physics 2019-09-04 Xiao-Jun Yue , Zhoujian Cao

We present a set of preliminary simulations of intermediate mass ratio inspirals (IMRIs) inside dark matter (DM) spikes accounting for post-Newtonian corrections the interaction between the two black holes up to the order 2.5 in $c^2$, as…

Astrophysics of Galaxies · Physics 2025-08-29 P. Di Cintio , G. Bertone , C. Chiari , T. K. Karydas , B. J. Kavanagh , M. Pasquato , A. A. Trani

Gravitational waves (GWs) can be produced if a stellar compact object, such as a black hole (BH) or neutron star, inspirals into an intermediate-massive black hole (IMBH) of $(10^3 \sim 10^5)\,M_\odot$. Such a system may be produced in the…

General Relativity and Quantum Cosmology · Physics 2019-04-02 Xiao-Jun Yue , Wen-Biao Han , Xian Chen

It was found that the dark matter (DM) in the intermediate-mass-ratio-inspiral (IMRI) system has a significant enhancement effect on the orbital eccentricity of the stellar massive compact object, such as a black hole (BH), which may be…

General Relativity and Quantum Cosmology · Physics 2021-02-03 Meirong Tang , Jiancheng Wang

The dark matter (DM) distributed around an intermediate massive black hole (IMBH) forms an overdensity region called DM minispike. We consider the binary system which consists of an IMBH with DM minispike and a small black hole inspiralling…

General Relativity and Quantum Cosmology · Physics 2022-09-14 Ning Dai , Yungui Gong , Tong Jiang , Dicong Liang

We consider the intermediate mass-ratio inspiral of a stellar-mass compact object with an intermediate-mass black hole that is surrounded by a dark matter density spike. The interaction of the inspiraling black hole with the dark matter…

High Energy Astrophysical Phenomena · Physics 2024-09-18 Fani Dosopoulou

Recent studies suggest that dark matter (DM) spikes around intermediate-mass black holes could cause observable dephasing in gravitational wave (GW) signals from Intermediate Mass Ratio Inspirals (IMRIs). Previous research primarily used…

Cosmology and Nongalactic Astrophysics · Physics 2024-09-05 Diptajyoti Mukherjee , A. Miguel Holgado , Go Ogiya , Hy Trac

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…

General Relativity and Quantum Cosmology · Physics 2024-01-10 Chao Zhang , Guoyang Fu , Ning Dai

Intermediate Mass Ratio Inspirals (IMRIs) will be observable with space-based gravitational wave detectors such as the Laser Interferometer Space Antenna (LISA). To this end, the environmental effects in such systems have to be modeled and…

General Relativity and Quantum Cosmology · Physics 2023-04-19 Niklas Becker , Laura Sagunski

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…

Cosmology and Nongalactic Astrophysics · Physics 2022-09-07 Gen-Liang Li , Yong Tang , Yue-Liang Wu

It was shown that the dark matter(DM) minihalo around an intermediate mass black hole(IMBH) can be redistributed into a cusp, called the DM minispike. We consider an intermediate-mass-ratio inspiral consisting of an IMBH harbored in a DM…

General Relativity and Quantum Cosmology · Physics 2018-03-16 Xiao-Jun Yue , Wen-Biao Han

Inspirals of an Intermediate Mass Black Hole (IMBH) and a solar mass type object will be observable by space based gravitational wave detectors such as The Laser Interferometer Space Antenna (LISA). A dark matter overdensity around an IMBH…

General Relativity and Quantum Cosmology · Physics 2022-04-28 Niklas Becker , Laura Sagunski , Lukas Prinz , Saeed Rastgoo

Dark matter (DM) constitutes the predominant portion of matter in our universe. Despite compelling evidence, the precise characteristics of DM remain elusive. Among the leading DM candidates are weakly-interacting massive particles, which…

Astrophysics of Galaxies · Physics 2024-11-12 Zi-Chang Zhang , Yong Tang

In extreme/intermediate-mass-ratio inspirals (E/IMRIs) embedded in dark-matter (DM) spikes, the secondary black hole can accrete collisionless particles from the surrounding halo. We study how the companion's spin controls this process, and…

General Relativity and Quantum Cosmology · Physics 2026-02-27 Theophanes K. Karydas , Rodrigo Vicente , Gianfranco Bertone

We investigate different treatments of dark matter (DM) distributions surrounding extreme mass ratio inspirals (EMRIs) to assess their impact on orbital evolution and gravitational wave emission. Density profiles derived from the mass…

General Relativity and Quantum Cosmology · Physics 2026-02-13 Yang Zhao , Yungui Gong

The black hole (BH) spin could significantly change the density of dark matter (DM) in its vicinity, creating a mini-spike of the density of DM. The dynamical friction (DF) between DM and the companion star of a BH can provide an efficient…

High Energy Astrophysical Phenomena · Physics 2025-10-15 Wen-Qing Jia , Wen-Cong Chen

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…

General Relativity and Quantum Cosmology · Physics 2024-11-01 Ning Dai , Yungui Gong , Yang Zhao , Tong Jiang

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…

Astrophysics of Galaxies · Physics 2023-04-27 Ismail Qunbar , Nicholas C. Stone

Intermediate-mass ratio inspirals (IMRIs) formed by stellar-mass compact objects orbiting intermediate-mass black holes will be detected by future gravitational wave (GW) observatories like TianQin, LISA, and AION. We study a set of 100…

High Energy Astrophysical Phenomena · Physics 2025-05-22 Alejandro Torres-Orjuela , Verónica Vázquez-Aceves , Tian-Xiao Wang

An intermediate mass black hole (IMBH) may have a dark matter (DM) mini-halo around it and develop a spiky structure within less than a parsec from the IMBH. When a stellar mass object is captured by the mini-halo, it eventually infalls…

General Relativity and Quantum Cosmology · Physics 2013-06-03 Kazunari Eda , Yousuke Itoh , Sachiko Kuroyanagi , Joseph Silk
‹ Prev 1 2 3 10 Next ›