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We survey the prospective sensitivities of terrestrial and space-borne atom interferometers (AIs) to gravitational waves (GWs) generated by cosmological and astrophysical sources, and to ultralight dark matter. We discuss the backgrounds…

广义相对论与量子宇宙学 · 物理学 2021-12-30 Leonardo Badurina , Oliver Buchmueller , John Ellis , Marek Lewicki , Christopher McCabe , Ville Vaskonen

With the inception of gravitational wave astronomy, astrophysical studies using interferometric techniques have begun to probe previously unknown parts of the universe. In this work, we investigate the potential of a new interferometric…

地球与行星天体物理 · 物理学 2022-03-30 Andrew G. Sullivan , Doğa Veske , Zsuzsa Márka , Imre Bartos , Szabolcs Márka

In order to detect the rare astrophysical events that generate gravitational wave (GW) radiation, sufficient stability is required for GW antennas to allow long-term observation. In practice, seismic excitation is one of the most common…

广义相对论与量子宇宙学 · 物理学 2008-11-26 S. Sato , S. Miyoki , S. Telada , D. Tatsumi , A. Araya , M. Ohashi , Y. Totsuka , M. Fukushima , M. -K. Fujimoto

We calculate the angular resolution of the planned LISA detector, a space-based laser interferometer for measuring low-frequency gravitational waves from galactic and extragalactic sources. LISA is not a pointed instrument; it is an all-sky…

广义相对论与量子宇宙学 · 物理学 2009-10-30 Curt Cutler

The space-borne gravitational wave (GW) detectors, LISA and TAIJI, are planned to be launched in the 2030s. The dual detectors with comparable sensitivities will form a network observing GW with significant advantages. In this work, we…

广义相对论与量子宇宙学 · 物理学 2021-07-14 Gang Wang , Wei-Tou Ni , Wen-Biao Han , Peng Xu , Ziren Luo

Proper tuning of the orbital characteristics of the three spacecrafts that constitute the usual triangular configuration of the space-borne gravitational-wave detector LISA, could minimize the breathing mode of its arm-lengths. Since the…

广义相对论与量子宇宙学 · 物理学 2008-04-15 Ioannis Deligiannis , Theocharis A. Apostolatos

Effective field theories (EFT) of dark energy (DE) -- built to parameterise the properties of DE in an agnostic manner -- are severely constrained by measurements of the propagation speed of gravitational waves (GW). However, GW frequencies…

广义相对论与量子宇宙学 · 物理学 2023-03-29 Tessa Baker , Enrico Barausse , Anson Chen , Claudia de Rham , Mauro Pieroni , Gianmassimo Tasinato

One of the atom interferometer gravitational wave missions proposed by Dimopoulos et al.1 in 2008 was called AGIS-Sat. 2. It had a suggested gravitational wave sensitivity set by the atom state detection shot noise level that started at 1…

天体物理仪器与方法 · 物理学 2015-05-28 Peter L. Bender

The direct observation of gravitational waves will provide a unique tool for probing the dynamical properties of highly compact astrophysical objects, mapping ultra-relativistic regions of space-time, and testing Einstein's general theory…

广义相对论与量子宇宙学 · 物理学 2011-01-17 Massimo Tinto , Márcio Eduardo da Silva Alves

We describe a new space gravitational wave observatory design called LAGRANGE that maintains all important LISA science at about half the cost and with reduced technical risk. It consists of three drag-free spacecraft in the most stable…

Recently it was shown that the inclusion of higher signal harmonics in the inspiral signals of binary supermassive black holes (SMBH) leads to dramatic improvements in parameter estimation with the Laser Interferometer Space Antenna (LISA).…

广义相对论与量子宇宙学 · 物理学 2010-04-15 K G Arun , Chandra Kant Mishra , Chris Van Den Broeck , B R Iyer , B S Sathyaprakash , Siddhartha Sinha

The space-based Laser Interferometer Space Antenna (LISA) will be able to observe the gravitational-wave signals from systems comprised of a massive black hole and a stellar-mass compact object. These systems are known as extreme-mass-ratio…

We investigate the capability of various configurations of the space interferometer eLISA to probe the late-time background expansion of the universe using gravitational wave standard sirens. We simulate catalogues of standard sirens…

宇宙学与河外天体物理 · 物理学 2017-03-09 Nicola Tamanini , Chiara Caprini , Enrico Barausse , Alberto Sesana , Antoine Klein , Antoine Petiteau

The Laser Interferometer Space Antenna (LISA) will observe gravitational radiation in the milliHertz band by measuring picometer-level fluctuations in the distance between drag-free proof masses over baselines of approximately five million…

广义相对论与量子宇宙学 · 物理学 2015-05-14 James Ira Thorpe

The random superposition of many weak sources will produce a stochastic background of gravitational waves that may dominate the response of the LISA (Laser Interferometer Space Antenna) gravitational wave observatory. Unless something can…

广义相对论与量子宇宙学 · 物理学 2014-11-17 Neil J. Cornish

LISA will open the mHz band of gravitational waves (GWs) to the astronomy community. The strong gravity which powers the variety of GW sources in this band is also crucial in a number of important astrophysical processes at the current…

LISA is a proposed space-based laser interferometer detecting gravitational waves by measuring distances between free-floating test masses housed in three satellites in a triangular constellation with laser links in-between. Each satellite…

We discuss low frequency radio astronomy from the moon, predominantly in the context of studying the neutral intergalactic medium during cosmic reionization using the HI 21cm line of neutral hydrogen. The epoch of reionization is the next…

天体物理学 · 物理学 2007-05-23 C. L. Carilli , J. N. Hewitt , A. Loeb

A unique challenge for data analysis with the Laser Interferometer Space Antenna (LISA) is that the noise backgrounds from instrumental noise and astrophysical sources will change significantly over both the year and the entire mission.…

天体物理仪器与方法 · 物理学 2022-11-30 Matthew C. Digman , Neil J. Cornish

The MIGA project aims at demonstrating precision measurements of gravity with cold atom sensors in a large scale instrument and at studying the associated applications in geosciences and fundamental physics. The first stage of the project…