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相关论文: Probing Quantum Gravity Effects with Eccentric Ext…

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We discuss the energy loss due to gravitational radiation of binaries composed of exotic objects whose horizon boundary conditions are replaced with reflective ones. Our focus is on the extreme mass-ratio inspirals, in which the central…

广义相对论与量子宇宙学 · 物理学 2021-09-06 Norichika Sago , Takahiro Tanaka

Extreme Mass Ratio Inspirals (EMRIs) are key sources for the future space-based gravitational wave detector LISA, and are considered promising probes of fundamental physics. Here, we present the first complete Bayesian analysis of EMRI…

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…

广义相对论与量子宇宙学 · 物理学 2025-07-17 Shailesh Kumar , Tieguang Zi , Arpan Bhattacharyya

More recently, Fernandes \cite{Fernandes:2023vux} discovered analytic stationary and axially-symmetric black hole solutions within semiclassical gravity, driven by the trace anomaly. The study unveils some distinctive features of these…

广义相对论与量子宇宙学 · 物理学 2023-11-30 Tieguang Zi , Peng-Cheng Li

We study extreme mass ratio inspirals occurring in modified gravity, for which the system is modeled by a small compact object with scalar charge spiraling into a supermassive Kerr black hole. Besides the tensorial gravitational waves…

广义相对论与量子宇宙学 · 物理学 2022-07-28 Hong Guo , Yunqi Liu , Chao Zhang , Yungui Gong , Wei-Liang Qian , Rui-Hong Yue

Extreme mass-ratio inspirals, a target source for the space-based gravitational wave detector LISA, are a sensitive probe of fundamental scalar fields coupled to gravity. We assess the capability of LISA to detect whether the secondary…

广义相对论与量子宇宙学 · 物理学 2024-01-19 Matteo Della Rocca , Susanna Barsanti , Leonardo Gualtieri , Andrea Maselli

Suppose a small compact object (black hole or neutron star) of mass $m$ orbits a large black hole of mass $M \gg m$. This system emits gravitational waves (GWs) that have a radiation-reaction effect on the particle's motion. EMRIs…

广义相对论与量子宇宙学 · 物理学 2011-02-15 Jonathan Thornburg

The future space-based gravitational wave observatories are expected to provide unprecedented opportunities to explore intricate characteristics of black hole binaries, particularly for extreme mass-ratio inspirals (EMRIs), in which a…

广义相对论与量子宇宙学 · 物理学 2026-02-24 Tieguang Zi , Shailesh Kumar

Scattering events around the center of massive galaxies will occasionally toss a stellar-mass compact object into an orbit around the massive black hole at the center, beginning an extreme mass ratio inspiral. The early stages of such a…

广义相对论与量子宇宙学 · 物理学 2025-01-31 Daniel J Oliver , Aaron D Johnson , Joel Berrier , Kostas Glampedakis , Daniel Kennefick

The Loop Quantum Gravity (LQG) program is briefly reviewed and one of its main applications, namely the counting of black hole entropy within the framework is considered. In particular, recent results for Planck size black holes are…

广义相对论与量子宇宙学 · 物理学 2008-11-26 Alejandro Corichi , Jacobo Diaz-Polo , Enrique Fernandez-Borja

Here, we explore the effect of the cloud of strings (CoS) on the gravitational waveforms of extreme mass ratio inspirals (EMRIs). The EMRI system consists of a supermassive black hole (BH) and a compact stellar mass object moving around it.…

广义相对论与量子宇宙学 · 物理学 2025-12-16 Mirzabek Alloqulov , Ahmadjon Abdujabbarov , Bobomurat Ahmedov , Chengxun Yuan

We derive the primordial power spectra and spectral indexes of the density fluctuations and gravitational waves in the framework of loop quantum cosmology (LQC) with holonomy and inverse-volume corrections, by using the uniform asymptotic…

广义相对论与量子宇宙学 · 物理学 2015-08-04 Tao Zhu , Anzhong Wang , Gerald Cleaver , Klaus Kirsten , Qin Sheng , Qiang Wu

Some approaches to Quantum Gravity (QG) entail decoherence of quantum matter propagating in it, due to an ``environment'' of QG degrees of freedom inaccessible to low-energy observers. In the first part of this talk, I discuss potential,…

广义相对论与量子宇宙学 · 物理学 2025-08-14 Nick E. Mavromatos

We study Extreme Mass Ratio Inspirals (EMRIs), during which a small body spirals into a supermassive black hole, in gravity theories with additional scalar fields. We first argue that no-hair theorems and the properties of known theories…

广义相对论与量子宇宙学 · 物理学 2022-03-14 Andrea Maselli , Nicola Franchini , Leonardo Gualtieri , Thomas P. Sotiriou

In this work we analyze some judiciously chosen solutions of Kerr Black Holes with Scalar Hair (KBHsSH) of special interest for Gravitational Wave (GW) events originated from Extreme Mass Ratio Inspirals (EMRIs). Because of the off-center…

广义相对论与量子宇宙学 · 物理学 2022-02-21 Lucas G. Collodel , Daniela D. Doneva , Stoytcho S. Yazadjiev

Extreme mass-ratio inspirals (EMRIs) are among the key targets for future space-based gravitational wave detectors. The gravitational waveforms emitted by EMRIs are highly sensitive to the orbital dynamics of the small compact object, which…

广义相对论与量子宇宙学 · 物理学 2025-10-08 Soroush Zare , Tao Zhu , Luis M. Nieto , Shuo Lu , Hassan Hassanabadi

Extreme mass-ratio inspirals (EMRIs), in which a solar mass compact object is whirling around a supermassive black hole, act as precise tracers of the spacetime geometry and astrophysical environment around the supermassive black hole.…

广义相对论与量子宇宙学 · 物理学 2026-03-05 Mostafizur Rahman , Takuya Takahashi

In this manuscript, working with a binary mechanical system, we examine the effect of quantum gravity on the exceptional points of the system. On the one side, we find that the exceedingly weak effect of quantum gravity can be sensed via…

量子物理 · 物理学 2022-01-05 Dianzhen Cui , T. Li , Jianning Li , Xuexi Yi

Extreme-mass-ratio-inspiral (EMRI) is one of the most important sources for the future space-borne gravitational wave detectors. In such kind of systems, the compact objects usually orbit around the central supermassive black holes with…

广义相对论与量子宇宙学 · 物理学 2021-08-11 Chen Zhang , Wen-Biao Han , Shu-Cheng Yang

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…

广义相对论与量子宇宙学 · 物理学 2022-04-21 Viktor Skoupý , Georgios Lukes-Gerakopoulos