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Ultralight bosons can induce superradiant instabilities in spinning black holes, tapping their rotational energy to trigger the growth of a bosonic condensate. Possible observational imprints of these boson clouds include (i) direct…

广义相对论与量子宇宙学 · 物理学 2017-10-05 Richard Brito , Shrobana Ghosh , Enrico Barausse , Emanuele Berti , Vitor Cardoso , Irina Dvorkin , Antoine Klein , Paolo Pani

A significant fraction of compact-object mergers in galactic nuclei are expected to be eccentric in the Laser Interferometer Space Antenna (LISA) frequency sensitivity range, $10^{-4} - 10^{-1}\ \rm Hz$. Several compact binaries detected by…

高能天体物理现象 · 物理学 2026-02-04 Evgeni Grishin , Isobel M. Romero-Shaw , Alessandro A. Trani

In this article we give a brief review of the fundamental physics that can be done with the future space-based gravitational wave detector LISA. This includes detection of gravitational wave bursts coming from cosmic strings, measuring a…

广义相对论与量子宇宙学 · 物理学 2011-05-25 Stanislav Babak , Jonathan R. Gair , Antoine Petiteau , Alberto Sesana

TianQin and LISA are space-based laser interferometer gravitational wave (GW) detectors planned to be launched in the mid-2030s. Both detectors will detect low-frequency GWs around $10^{-2}\,{\rm Hz}$, however, TianQin is more sensitive to…

广义相对论与量子宇宙学 · 物理学 2024-07-04 Alejandro Torres-Orjuela , Shun-Jia Huang , Zheng-Cheng Liang , Shuai Liu , Hai-Tian Wang , Chang-Qing Ye , Yi-Ming Hu , Jianwei Mei

The Laser Interferometer Space Antenna (LISA) is a planned space-based observatory designed to detect gravitational waves (GWs) within the millihertz frequency range. LISA is anticipated to observe the inspiral of compact objects into black…

广义相对论与量子宇宙学 · 物理学 2025-05-26 Stefan H. Strub , Lorenzo Speri , Domenico Giardini

A world-wide array of highly sensitive interferometers stands poised to usher in a new era in astronomy with the first direct detection of gravitational waves. The data from these instruments will provide a unique perspective on extreme…

广义相对论与量子宇宙学 · 物理学 2013-02-27 Neil J. Cornish

Following the selection of The Gravitational Universe by ESA, and the successful flight of LISA Pathfinder, the LISA Consortium now proposes a 4 year mission in response to ESA's call for missions for L3. The observatory will be based on…

Among the expected sources of gravitational waves for the Laser Interferometer Space Antenna (LISA) is the capture of solar-mass compact stars by massive black holes residing in galactic centers. We construct a simple model for such a…

广义相对论与量子宇宙学 · 物理学 2009-10-28 Eric Poisson

This document introduces the exciting and fundamentally new science and astronomy that the European New Gravitational Wave Observatory (NGO) mission (derived from the previous LISA proposal) will deliver. The mission (which we will refer to…

We discuss the detectability of gravitationally bounded pairs of gas-giant planets (which we call "binary planets") in extrasolar planetary systems that are formed through orbital instability followed by planet-planet dynamical tides during…

地球与行星天体物理 · 物理学 2015-05-27 K. M. Lewis , H. Ochiai , M. Nagasawa , S. Ida

The existing high technology laser-beam detectors of gravitational waves may find very useful applications in an unexpected area - geophysics. To make possible the detection of weak gravitational waves in the region of high frequencies of…

广义相对论与量子宇宙学 · 物理学 2014-11-17 L. P. Grishchuk , V. V. Kulagin , V. N. Rudenko , A. Serdobolski

It is accepted that quasars are powered by supermassive black holes (SMBH) with masses in the range 10^6 - 10^9 solar masses in their cores. Occasionally, compact stars can plunge into SMBH. In addition, there may be a number of such…

天体物理学 · 物理学 2009-11-06 T. Wickramasinghe , M. Benacquista

Although many methods of detecting extra-solar planets have been proposed and successful implementation of some of these methods enabled a rapidly increasing number of exoplanet detections, little has been discussed about the method of…

天体物理学 · 物理学 2009-11-07 Cheongho Han , Wonyong Han

Our understanding of extra-solar planet systems is highly driven by advances in observations in the past decade. Thanks to high precision spectrograph, we are able to reveal unseen companions to stars with the radial velocity method. High…

地球与行星天体物理 · 物理学 2018-04-25 Chien-Hsiu Lee

Gravitational waves generated during a first-order electroweak phase transition have a typical frequency which today falls just within the band of the planned space interferometer LISA. Contrary to what happens in the Standard Model, in its…

高能物理 - 唯象学 · 物理学 2010-04-06 R. Apreda , M. Maggiore , A. Nicolis , A. Riotto

Neutron star interiors are a fantastic laboratory for high density physics in extreme environments. Probing this system with standard electromagnetic observations is, however, a challenging endeavour, as the radiation tends to be scattered…

广义相对论与量子宇宙学 · 物理学 2021-04-08 Brynmor Haskell , Kai Schwenzer

Ultra-compact binaries (UCBs) are systems containing compact or degenerate stars with orbital periods less than one hour. Tens of millions of UCBs are predicted to exist within theGalaxy emitting gravitational waves (GWs) at mHz…

Since the 2017 Nobel Prize in Physics was awarded for the observation of gravitational waves, it is fair to say that the epoch of gravitational wave astronomy (GWs) has begun. However, a number of interesting sources of GWs can only be…

The pulsar magnetosphere is a potential source of continuous gravitational waves due to the rapid charge-discharge process in short timescale, varying the electric-field energy density. We estimate the strain of the continuous gravitational…

广义相对论与量子宇宙学 · 物理学 2026-04-01 Akira Dohi , Asuka Ito , Shota Kisaka

The abundance and properties of planets orbiting binary stars - circumbinary planets - are largely unknown because they are difficult to detect with currently available techniques. Results from the Kepler satellite and other studies…

太阳与恒星天体物理 · 物理学 2015-06-23 Johannes Sahlmann , Amaury H. M. J. Triaud , David V. Martin