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The direct detection of gravitational waves (GWs) is an invaluable new tool to probe gravity and the nature of cosmic acceleration. A large class of scalar-tensor theories predict that GWs propagate with velocity different than the speed of…

General Relativity and Quantum Cosmology · Physics 2017-04-19 Dario Bettoni , Jose María Ezquiaga , Kurt Hinterbichler , Miguel Zumalacárregui

Future space borne gravitational wave detectors will require a precise definition of calibration signals to ensure the achievement of their design sensitivity. The careful design of the test signals plays a key role in the correct…

Inspiraling binaries of compact objects are primary targets for current and future gravitational-wave observatories. Waveforms computed in General Relativity are used to search for these sources, and will probably be used to extract source…

General Relativity and Quantum Cosmology · Physics 2015-06-12 Michele Vallisneri , Nicolas Yunes

The Laser Interferometer Space Antenna (LISA) will open a rich discovery space in the milli-Hertz gravitational wave band. In addition to the anticipated signals from many millions of binary systems, this band may contain new and previously…

General Relativity and Quantum Cosmology · Physics 2019-01-16 Travis Robson , Neil J. Cornish

The drag-free satellites of LISA will maintain the test masses in geodesic motion over many years with residual accelerations at unprecedented small levels and time delay interferometry (TDI) will keep track of their differential positions…

General Relativity and Quantum Cosmology · Physics 2014-11-18 M. Cerdonio , R. De Pietri , Ph. Jetzer , M. Sereno

Accurate waveform models describing the complete evolution of compact binaries are crucial for the maximum likelihood detection framework, testing the predictions of General Relativity (GR) and investigating the possibility of an…

General Relativity and Quantum Cosmology · Physics 2023-02-01 Harsh Narola , Soumen Roy , Anand S. Sengupta

The aim of this paper is to present an analytical relationship between the power spectral density of GRACE-like mission measurements and the accuracies of the gravity field coefficients mainly from the point of view of theory of signal and…

Geophysics · Physics 2016-09-29 Lin Cai , Zebing Zhou , Qiong Li , Zhicai Luo , Houtse Hsu

We forecast the prospective of detection for a stochastic gravitational wave background sourced by cosmological first-order phase transitions. We focus on first-order phase transitions with negligible plasma effects, and consider the…

Cosmology and Nongalactic Astrophysics · Physics 2018-10-30 Daniel G. Figueroa , Eugenio Megias , Germano Nardini , Mauro Pieroni , Mariano Quiros , Angelo Ricciardone , Gianmassimo Tasinato

In this contribution we present two new proposals for measuring the general relativistic gravitomagnetic component of the gravitational field of the Earth. One proposal consists of the measurement of the difference of the rates of the…

General Relativity and Quantum Cosmology · Physics 2007-11-12 Lorenzo Iorio

A drift mode accelerometer is a precision device that overcomes the much of the acceleration noise and readout dynamic range limitations of traditional electrostatic accelerometers. It has the potential of achieving acceleration noise…

Instrumentation and Detectors · Physics 2014-02-28 John W. Conklin

Context. The LISA space observatory will explore the sub-Hz spectrum of gravitational wave emission from the Universe. The space environment, where will be immersed in, is responsible for charge accumulation on its free falling test masses…

Instrumentation and Methods for Astrophysics · Physics 2025-08-13 Francesco Dimiccoli , Rita Dolesi , Michele Fabi , Valerio Ferroni , Catia Grimani , Martina Muratore , Paolo Sarra , Mattia Villani , William Joseph Weber

Future Gravitational Wave observatories will give us the opportunity to search for stochastic signals of astrophysical, or even cosmological origins. However, parameter estimation and search will be challenging, mostly due to the overlap of…

General Relativity and Quantum Cosmology · Physics 2024-10-21 Nikolaos Karnesis , Argyro Sasli , Riccardo Buscicchio , Nikolaos Stergioulas

Gravitational waves encode invaluable information about the nature of the relatively unexplored extreme gravity regime, where the gravitational interaction is strong, non-linear and highly dynamical. Recent gravitational wave observations…

General Relativity and Quantum Cosmology · Physics 2017-10-25 Katie Chamberlain , Nicolas Yunes

Detecting and coherently characterizing thousands of gravitational-wave signals is a core data-analysis challenge for the Laser Interferometer Space Antenna (LISA). Transient artifacts, or "glitches", with disparate morphologies are…

General Relativity and Quantum Cosmology · Physics 2023-12-22 Alice Spadaro , Riccardo Buscicchio , Daniele Vetrugno , Antoine Klein , Davide Gerosa , Stefano Vitale , Rita Dolesi , William Joseph Weber , Monica Colpi

Observations of gravitational waves from compact binary mergers have enabled unique tests of general relativity in the dynamical and non-linear regimes. One of the most important such tests are constraints on the post-Newtonian (PN)…

General Relativity and Quantum Cosmology · Physics 2023-05-03 Andrey A. Shoom , Pawan K. Gupta , Badri Krishnan , Alex B. Nielsen , Collin D. Capano

In this paper, we focus on testing gravity theories in the radiative regime using pulsar timing array observations. After reviewing current techniques to measure the dispersion and alternative polarization of gravitational waves, we extend…

Cosmology and Nongalactic Astrophysics · Physics 2014-04-09 K. J. Lee

The planned Laser Interferometer Space Antenna (LISA) will detect gravitational wave signals from a wide range of sources. However, disentangling individual signals from the source-dominated data stream is a challenging problem and the…

General Relativity and Quantum Cosmology · Physics 2016-11-15 Jonathan R Gair , Gareth Jones

In this work, we explore how modified gravity theories based on the non-metricity scalar, known as $f(Q)$ gravity, affect the propagation of gravitational waves from inspiraling of binary systems. We discuss forecast constraints on $f(Q)$…

General Relativity and Quantum Cosmology · Physics 2025-02-25 Rocco D'Agostino , Rafael C. Nunes

All modern routes leading to a quantum theory of gravity -- i.e., perturbative quantum gravitational one-loop exact correction to the global chiral current in the standard model, string theory, and perhaps even loop quantum gravity --…

General Relativity and Quantum Cosmology · Physics 2015-05-13 Nicolas Yunes , Lee Samuel Finn
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