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We study the use of atom interferometers as detectors for gravitational waves in the mHz - Hz frequency band, which is complementary to planned optical interferometers, such as laser interferometer gravitational wave observatories (LIGOs)…

General Relativity and Quantum Cosmology · Physics 2011-06-02 Michael Hohensee , Shau-Yu Lan , Rachel Houtz , Cheong Chan , Brian Estey , Geena Kim , Pei-Chen Kuan , Holger Mueller

We analyze the sensitivities of a geostationary gravitational wave interferometer mission operating in the sub-Hertz band. Because of its smaller armlength, in the lower part of its accessible frequency band ($10^{-4} - 2 \times 10^{-2}$…

General Relativity and Quantum Cosmology · Physics 2015-03-19 M. Tinto , J. C. N. de Araujo , O. D. Aguiar , M. E. S. Alves

We analyze the signal processing required for the optimal detection of a stochastic background of gravitational radiation using laser interferometric detectors. Starting with basic assumptions about the statistical properties of a…

General Relativity and Quantum Cosmology · Physics 2009-12-30 Bruce Allen , Joseph D. Romano

The detection of a stochastic background of gravitational waves could significantly impact our understanding of the physical processes that shaped the early Universe. The challenge lies in separating the cosmological signal from other…

General Relativity and Quantum Cosmology · Physics 2014-11-20 Matthew R. Adams , Neil J. Cornish

Gravitational waves modulate the apparent frequencies of other periodic signals. Low-frequency gravitational waves could therefore be detected by observing frequency modulations in signals from higher-frequency sources, e.g., those from…

General Relativity and Quantum Cosmology · Physics 2024-08-09 Jakob Stegmann , Sander M. Vermeulen

Gravitational-wave displacement memory is a remarkable and ubiquitous phenomenon predicted by general relativity, which has not yet been detected. Unlike the oscillatory components of gravitational waveforms, displacement memory is…

General Relativity and Quantum Cosmology · Physics 2026-04-14 Yan Cao , Yong-Liang Ma , Yong Tang

The role that the quantum properties of a gravitational wave could play in the detection of gravitational radiation is analyzed. It is not only corroborated that in the current laser-interferometric detectors the resolution of the…

General Relativity and Quantum Cosmology · Physics 2009-10-31 A. Camacho

Unlike ground-based interferometric gravitational wave detectors, large space-based systems will not be rigid structures. When the end-stations of the laser interferometer are freely flying spacecraft, the armlengths will change due to…

General Relativity and Quantum Cosmology · Physics 2009-11-07 Shane L. Larson , Ronald W. Hellings , William A. Hiscock

The Laser Interferometer Space Antenna will detect gravitational waves with frequencies from 0.1 mHz to 1 Hz. This article provides a brief overview of LISA's science goals followed by a tutorial of the LISA measurement concept.

General Relativity and Quantum Cosmology · Physics 2010-03-25 Daniel A. Shaddock

This article deals with the gravitational lensing (GL) of gravitational waves (GW). We compute the increase in the number of detected GW events due to GL. First, we check that geometrical optics is valid for the GW frequency range on which…

General Relativity and Quantum Cosmology · Physics 2009-11-10 M. Arnaud-Varvella , M. -C. Angonin , Ph. Tourrenc

Gravitational wave detectors in space, particularly the LISA project, can study a rich variety of astronomical systems whose gravitational radiation is not detectable from the ground, because it is emitted in the low-frequency gravitational…

General Relativity and Quantum Cosmology · Physics 2007-05-23 B. F. Schutz

We assess the science reach and technical feasibility of a satellite mission based on precision atomic sensors configured to detect gravitational radiation. Conceptual advances in the past three years indicate that a two-satellite…

Instrumentation and Methods for Astrophysics · Physics 2017-11-08 Peter W. Graham , Jason M. Hogan , Mark A. Kasevich , Surjeet Rajendran , Roger W. Romani

In a recent paper, Wicht, L\"ammerzahl, Lorek, and Dittus [Phys. Rev. {\bf A 78}, 013610 (2008)] come to the conclusion that a molecular rotational-vibrational quantum interferometer may possess the sensitivity necessary to detect…

Atomic Physics · Physics 2015-05-14 I. B. Khriplovich , S. K. Lamoreaux , A. O. Sushkov , O. P. Sushkov

The possibility of detecting solar oscillation modes using space-based gravitational-wave detectors has been investigated in the context of gravitational-wave interferometry, with Polnarev \cite{Polnarev:2009xf} demonstrating that…

General Relativity and Quantum Cosmology · Physics 2026-03-25 Aman Awasthi

We describe the design of a gravitational wave timing array, a novel scheme that can be used to search for low-frequency gravitational waves by monitoring continuous gravitational waves at higher frequencies. We show that observations of…

General Relativity and Quantum Cosmology · Physics 2022-07-25 María José Bustamante-Rosell , Joel Meyers , Noah Pearson , Cynthia Trendafilova , Aaron Zimmerman

We investigate the possibility of observing very small amplitude low frequency solar oscillations with the proposed laser interferometer space antenna LISA. For frequencies below $\sim 2\times 10^{-4}$ Hz the dominant contribution is from…

Astrophysics · Physics 2007-05-23 I. W. Roxburgh , A. G. Polnarev , G. Giampieri , S. V. Vorontsov

We present a numerical analysis to simulate the response of a spherical resonant gravitational wave detector and to compute its sensitivity. Under the assump- tion of optimal filtering, we work out the sensitivity curve for a sphere first…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Florian Dubath , Jerome Extermann , Luciano Gottardi

We present the steps to forecast the sensitivity of the Laser Interferometer Space Antenna (LISA) to both a stochastic gravitational wave background and deterministic wave sources. We show how to use these expressions to estimate the…

Cosmology and Nongalactic Astrophysics · Physics 2019-12-09 Tristan L. Smith , Robert Caldwell

I give a brief introduction on gravitational wave laser interferometers, possible detectable sources from the ground and noise in the detectors

General Relativity and Quantum Cosmology · Physics 2007-05-23 A. M. Sintes

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…

General Relativity and Quantum Cosmology · Physics 2009-10-28 Eric Poisson