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Double white dwarfs are important gravitational wave sources for LISA, as they are some of the most numerous compact systems in our universe. Here we consider finite-sized effects due to tidal interactions, as they are expected to have a…

高能天体物理现象 · 物理学 2024-09-12 Grace Fiacco , Neil J. Cornish , Hang Yu

With one exception, previous analyses of the measurement accuracy of gravitational wave experiments for comparable-mass binary systems have neglected either spin-precession effects or subdominant harmonics and amplitude modulations. Here we…

宇宙学与河外天体物理 · 物理学 2009-11-06 Antoine Klein , Philippe Jetzer , Mauro Sereno

We consider a potentially new class of gravitational wave sources consisting of a white dwarf coalescing into a massive black hole in the mass range ~10^4-10^5\msun. These sources are of particular interest because the gravitational wave…

天体物理学 · 物理学 2009-11-13 A. Sesana , A. Vecchio , M. Eracleous , S. Sigurdsson

Massive black hole binaries are the primary source of gravitational waves (GW) for the future eLISA observatory. The detection and parameter estimation of these sources to high redshift would provide invaluable information on the formation…

广义相对论与量子宇宙学 · 物理学 2015-05-27 Edward K. Porter , Neil J. Cornish

Over the next decade, third-generation interferometers and the space-based LISA mission will observe binaries in galactic centers involving supermassive black holes with millions of solar masses. More precise measurements of more extreme…

广义相对论与量子宇宙学 · 物理学 2023-08-09 Francisco Duque

The measurement of multipole moments of astrophysical objects through gravitational wave (GW) observations provides a novel way to distinguish black holes from other astrophysical objects. This paper studies the gravitational wave radiation…

广义相对论与量子宇宙学 · 物理学 2023-01-10 Mostafizur Rahman , Arpan Bhattacharyya

The interface between domains of opposite magnetization in the 3D Ising model near the critical temperature displays universal finite-size effects which can be described in terms of a gaussian model of capillary waves. It turns out that…

高能物理 - 格点 · 物理学 2009-10-22 M. Caselle , F. Gliozzi , S. Vinti

The detections of gravitational waves (GWs) from binary neutron star (BNS) systems and neutron star--black hole (NSBH) systems provide new insights into dense matter properties in extreme conditions and associated high-energy astrophysical…

高能天体物理现象 · 物理学 2022-02-22 Chang Liu , Lijing Shao

We consider the motion of nonspinning, compact objects orbiting around a Kerr black hole with tidal couplings. The tide-induced quadrupole moment modifies both the orbital energy and outgoing fluxes, so that over the inspiral timescale…

广义相对论与量子宇宙学 · 物理学 2022-06-01 Xuefeng Feng , Zhenwei Lyu , Huan Yang

The gravitational wave measurements of spin-induced multipole moment coefficients of a binary black hole system can be used to distinguish black holes from other compact objects [N. V. Krishnendu et al., PRL 119, 091101 (2017)]. Here, we…

广义相对论与量子宇宙学 · 物理学 2022-12-14 N. V. Krishnendu , Anjali B. Yelikar

While the Einstein Telescope and Cosmic Explorer proposals for next-generation, ground-based detectors promise vastly improved sensitivities to gravitational-wave signals, only joint observations are expected to enable the full scientific…

广义相对论与量子宇宙学 · 物理学 2026-04-29 Ssohrab Borhanian , Arianna Renzini , Philippa S. Cole , Costantino Pacilio , Michele Mancarella , Davide Gerosa

The recently computed post-Newtonian (PN) gravitational-wave phasing up to 4.5PN order accounts for several novel physical effects in compact binary dynamics such as the {\it tail of the memory, tails of tails of tails and tails of mass…

广义相对论与量子宇宙学 · 物理学 2024-09-06 Poulami Dutta Roy , Sayantani Datta , K. G. Arun

The Laser Interferometer Space Antenna (LISA) will play a vital role in constraining the origin and evolution of massive black holes throughout the Universe. In this study we use a waveform model (IMRPhenomXPHM) that includes both…

广义相对论与量子宇宙学 · 物理学 2023-07-28 Geraint Pratten , Patricia Schmidt , Hannah Middleton , Alberto Vecchio

Mergers of stellar-mass black holes on highly eccentric orbits are among the targets for ground-based gravitational-wave detectors, including LIGO, VIRGO, and KAGRA. These sources may commonly form through gravitational-wave emission in…

高能天体物理现象 · 物理学 2018-03-21 László Gondán , Bence Kocsis , Péter Raffai , Zsolt Frei

Space-borne gravitational wave detectors, such as the proposed Laser Interferometer Space Antenna, are expected to observe black hole coalescences to high redshift and with large signal-to-noise ratios, rendering their gravitational waves…

广义相对论与量子宇宙学 · 物理学 2010-04-29 Nicolas Yunes , Frans Pretorius , David Spergel

We study parameter estimation of supermassive black hole binary systems in the final stage of inspiral using the full post-Newtonian gravitational waveforms. We restrict our analysis to systems in circular orbit with negligible spins, in…

广义相对论与量子宇宙学 · 物理学 2008-11-26 Miquel Trias , Alicia M. Sintes

Tools from scattering amplitudes and effective field theory have recently been repurposed to derive state-of-the-art results for the black hole binary inspiral in the post-Minkowskian expansion. In the present work we extend this approach…

高能物理 - 理论 · 物理学 2020-11-11 Clifford Cheung , Mikhail P. Solon

In this series we construct an effective field theory (EFT) in curved spacetime to study gravitational radiation and backreaction effects. We begin in this paper with a derivation of the self-force on a compact object moving in the…

广义相对论与量子宇宙学 · 物理学 2009-03-12 Chad R. Galley , B. L. Hu

Gravitational-wave observations provide a powerful probe of compact objects and strong-field gravity. In this work, we investigate the detectability of binaries containing (sub-)solar-mass black holes and superspinars with current and…

广义相对论与量子宇宙学 · 物理学 2026-05-19 K. S. Sruthy , N. V. Krishnendu , Chandrachur Chakraborty , Nami Uchikata

The Einstein Telescope (ET) has been proposed as one of the third-generation gravitational wave (GW) detectors. The sensitivity of ET would be a factor of 10 better than the second-generation GW detector, Advanced LIGO (aLIGO); thus, the GW…

广义相对论与量子宇宙学 · 物理学 2022-03-30 Hee-Suk Cho