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One of the primary objectives for space-borne gravitational wave detectors is the detection of extreme-mass-ratio inspirals (EMRIs). This undertaking poses a substantial challenge because of the complex and long EMRI signals, further…

General Relativity and Quantum Cosmology · Physics 2023-09-14 Qianyun Yun , Wen-Biao Han , Yi-Yang Guo , He Wang , Minghui Du

One of the primary goals of space-borne gravitational wave detectors is to detect and analyze extreme-mass-ratio inspirals (EMRIs). This endeavor presents a significant challenge due to the complex and lengthy EMRI signals, further…

General Relativity and Quantum Cosmology · Physics 2023-12-01 Qianyun Yun , Wen-Biao Han , Yi-Yang Guo , He Wang , Minghui Du

Extreme-mass-ratio inspiral (EMRI) signals pose significant challenges in gravitational wave (GW) astronomy owing to their low-frequency nature and highly complex waveforms, which occupy a high-dimensional parameter space with numerous…

Space-based gravitational wave detectors like TianQin or LISA could observe extreme-mass-ratio-inspirals (EMRIs) at millihertz frequencies. The accurate identification of these EMRI signals from the data plays a crucial role in enabling…

General Relativity and Quantum Cosmology · Physics 2024-09-05 Chang-Qing Ye , Hui-Min Fan , Alejandro Torres-Orjuela , Jian-dong Zhang , Yi-Ming Hu

In this article we consider prospects for detecting extreme mass ratio inspirals (EMRIs) using gravitational wave (GW) observations by a future space borne interferometric observatory eLISA. We start with a description of EMRI formation…

General Relativity and Quantum Cosmology · Physics 2021-04-07 Stanislav Babak , Jonathan R. Gair , Robert H. Cole

Extreme mass ratio inspirals (EMRIs) (capture and inspiral of a compact stellar mass object into a Massive Black Hole (MBH)) are among the most interesting objects for the gravitational wave astronomy. It is a very challenging task to…

General Relativity and Quantum Cosmology · Physics 2014-09-11 Yan Wang , Yu Shang , Stanislav Babak

The capture of compact stellar remnants by galactic black holes provides a unique laboratory for exploring the near horizon geometry of the Kerr spacetime, or possible departures from general relativity if the central cores prove not to be…

General Relativity and Quantum Cosmology · Physics 2011-04-22 N. J. Cornish

The detection of Extreme Mass Ratio Inspirals (EMRIs) is intricate due to their complex waveforms, extended duration, and low signal-to-noise ratio (SNR), making them more challenging to be identified compared to compact binary…

Instrumentation and Methods for Astrophysics · Physics 2024-05-15 Tianyu Zhao , Yue Zhou , Ruijun Shi , Zhoujian Cao , Zhixiang Ren

Gravitational wave (GW) observations from extreme-mass-ratio inspirals (EMRIs) are powerful tools for testing general relativity (GR). However, systematic errors arising from waveform models could potentially lead to incorrect scientific…

General Relativity and Quantum Cosmology · Physics 2025-01-14 Ping Shen , Qiuxin Cui , Wen-Biao Han

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

We propose to use gravitational waves from extreme mass ratio inspirals (EMRI), composed of a boson star and a supermassive black hole in the center of galaxies, as a new method to search for boson stars. Gravitational waves from EMRI have…

High Energy Physics - Phenomenology · Physics 2019-09-25 Huai-Ke Guo , Kuver Sinha , Chen Sun

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…

High Energy Astrophysical Phenomena · Physics 2021-09-08 Zhen Pan , Zhenwei Lyu , Huan Yang

I review the status of research, conducted by a variety of independent groups, aimed at the eventual observation of Extreme Mass Ratio Inspirals (EMRIs) with gravitational wave detectors. EMRIs are binary systems in which one of the objects…

General Relativity and Quantum Cosmology · Physics 2014-11-17 Steve Drasco

Future space-borne interferometers will be able to detect gravitational waves at $10^{-3}$ to $10^{-1}$ Hz. At this band extreme-mass-ratio inspirals (EMRIs) can be promising gravitational wave sources. In this paper, we investigate…

General Relativity and Quantum Cosmology · Physics 2019-10-30 Shuo Xin , Wen-Biao Han , Shu-Cheng Yang

Extreme mass-ratio inspirals (EMRIs) are one of the key sources of gravitational waves for space-based detectors such as LISA. However, their detection remains a major data analysis challenge due to the signals' complexity and length. We…

General Relativity and Quantum Cosmology · Physics 2026-01-28 Lorenzo Speri , Rodrigo Tenorio , Christian Chapman-Bird , Davide Gerosa

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…

General Relativity and Quantum Cosmology · Physics 2025-01-27 Lu-Jia Xu , Shu-Cheng Yang , Wen-Biao Han , Xing-Yu Zhong , Run-Dong Tang , Yuan-Hao Zhang

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…

Cosmology and Nongalactic Astrophysics · Physics 2025-02-23 Chang Liu , Danny Laghi , Nicola Tamanini

This work investigates the problem of detecting gravitational wave (GW) events based on simulated damped sinusoid signals contaminated with white Gaussian noise. It is treated as a classification problem with one class for the interesting…

Instrumentation and Methods for Astrophysics · Physics 2020-06-01 Xiangru Li , Woliang Yu , Xilong Fan , G. Jogesh Babu

The inspirals of stellar-mass compact objects into supermassive black holes are some of the most exciting sources of gravitational waves for LISA. Detection of these sources using fully coherent matched filtering is computationally…

General Relativity and Quantum Cosmology · Physics 2009-11-11 Linqing Wen , Yanbei Chen , Jonathan Gair

The Laser Interferometer Space Antenna (LISA) will open the mHz frequency window of the gravitational wave (GW) landscape. Among all the new GW sources expected to emit in this frequency band, extreme mass-ratio inspirals (EMRIs) constitute…

Cosmology and Nongalactic Astrophysics · Physics 2021-11-03 Danny Laghi , Nicola Tamanini , Walter Del Pozzo , Alberto Sesana , Jonathan Gair , Stanislav Babak , David Izquierdo-Villalba
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