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With the goal of attempting to observe a stochastic gravitational wave background (SGWB) with LISA, the spectral separability of the cosmological and astrophysical backgrounds is important to estimate. We attempt to determine the level with…

General Relativity and Quantum Cosmology · Physics 2021-10-08 Guillaume Boileau , Nelson Christensen , Renate Meyer , Neil J. Cornish

We present a study of spectrum estimation of relic gravitational waves (RGWs) as a Gaussian stochastic background from output signals of future space-borne interferometers, like LISA and ASTROD. As the target of detection, the analytical…

General Relativity and Quantum Cosmology · Physics 2019-03-05 Bo Wang , Yang Zhang

Future drag-free missions for space-based experiments in gravitational physics require a Gravitational Reference Sensor with extremely demanding sensing and disturbance reduction requirements. A configuration with two cubical sensors is the…

General Relativity and Quantum Cosmology · Physics 2009-10-06 D. Gerardi , G. Allen , J. W. Conklin , K-X. Sun , D. DeBra , S. Buchman , P. Gath , W. Fichter , R. L. Byer , U. Johann

We describe a simple framework to assess the LISA scientific performance (more specifically, its sensitivity and expected parameter-estimation precision for prescribed gravitational-wave signals) under the assumption of failure of one or…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Michele Vallisneri , Jeff Crowder , Massimo Tinto

We suggest that LISA Pathfinder could be used to subject TEVES, and in particular the non-relativistic MOND phenomenology it incorporates, to a direct, controlled experimental test, in just a few years' time. The basic concept is to fly…

Cosmology and Nongalactic Astrophysics · Physics 2010-01-11 Christian Trenkel , Steve Kemble , Neil Bevis , Joao Magueijo

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…

General Relativity and Quantum Cosmology · Physics 2009-10-30 Curt Cutler

First, for each case to be tested, a specific target inspiral signal is selected for parameter extraction. In a future real analysis, the target signal would be a real signal actually observed by a gravitational wave detector such as LISA.…

General Relativity and Quantum Cosmology · Physics 2007-05-23 James S. Graber

The magnetic diagnostics subsystem of the LISA Technology Package (LTP) on board the LISA PathFinder (LPF) spacecraft includes a set of four tri-axial fluxgate magnetometers, intended to measure with high precision the magnetic field at…

General Relativity and Quantum Cosmology · Physics 2015-05-14 M Diaz-Aguilo , E Garcia-Berro , A Lobo

In the coming decades, as the low frequency sensitivity of detectors improves, the time that gravitational-wave signals remain in the sensitive band will increase, leading to new challenges in analyzing data, namely non-stationary noise and…

General Relativity and Quantum Cosmology · Physics 2026-05-01 Noah Pearson , Neil J. Cornish

The Laser Interferometer Space Antenna (LISA) will observe gravitational-wave signals from a wide range of sources, including massive black hole binaries. Although numerous techniques have been developed to perform Bayesian inference for…

General Relativity and Quantum Cosmology · Physics 2024-08-26 Charlie Hoy , Connor Weaving , Laura K. Nuttall , Ian Harry

Space-based gravitational wave detectors based on the Laser Interferometer Space Antenna (LISA) design operate by synthesizing one or more interferometers from fringe velocity measurements generated by changes in the light travel time…

Instrumentation and Methods for Astrophysics · Physics 2013-06-17 Karan P. Jani , Lee Samuel Finn , Matthew J. Benacquista

The future space mission LISA will observe a wealth of gravitational-wave sources at millihertz frequencies. Of these, the extreme-mass-ratio inspirals of compact objects into massive black holes are the only sources that combine the…

General Relativity and Quantum Cosmology · Physics 2021-02-08 Alvin J. K. Chua , Michael L. Katz , Niels Warburton , Scott A. Hughes

We describe an F-statistic search for continuous gravitational waves from galactic white-dwarf binaries in simulated LISA Data. Our search method employs a hierarchical template-grid based exploration of the parameter space. In the first…

General Relativity and Quantum Cosmology · Physics 2010-02-19 John T. Whelan , Reinhard Prix , Deepak Khurana

We investigate the idea that current cosmic acceleration could be the consequence of gravitational leakage into extra dimensions on cosmological scales rather than the result of a non-zero cosmological constant, and consider the ability of…

Cosmology and Nongalactic Astrophysics · Physics 2021-02-10 Maxence Corman , Celia Escamilla-Rivera , M. A. Hendry

We present an in-depth analysis of the LISA Pathfinder differential acceleration performance over the entire course of its science operations, spanning approximately 500 days. We find that: 1) the evolution of the Brownian noise that…

We present a Fisher-matrix forecast for the detectability of a stochastic gravitational wave background generated by a first-order phase transition in the early universe. We use the DECIGO and LISA missions as reference cases. The source…

General Relativity and Quantum Cosmology · Physics 2026-05-07 Diego Rios , William H. Kinney

Space-based gravitational wave (GW) observatories, such as the future Laser Interferometer Space Antenna (LISA), employ synthetic Time Delay Interferometry (TDI) to cancel the otherwise overwhelming laser frequency noise. The phase readouts…

General Relativity and Quantum Cosmology · Physics 2025-06-11 Neil J. Cornish , Tyson Littenberg

Gravitational wave (GW) astronomy has revolutionized our capacity to explore nature. The next generation of observatories, among which the space-borne detector Laser Interferometer Space Antenna LISA, is expected to yield orders of…

General Relativity and Quantum Cosmology · Physics 2024-12-06 Henri Inchauspé , Silvia Gasparotto , Diego Blas , Lavinia Heisenberg , Jann Zosso , Shubhanshu Tiwari

LISA Pathfinder's measurement of a relative acceleration noise between two free-falling test masses with a square root of the power spectral density of $5.2 \pm 0.1 \mbox{ fm s}^{-2}/\sqrt{\rm{Hz}}$ appreciably constrains collapse models.…

Quantum Physics · Physics 2017-05-03 Bassam Helou , Bram Slagmolen , David E. McClelland , Yanbei Chen

Space-borne gravitational wave detectors will expand the scope of gravitational wave astronomy to the milli-Hertz band in the near future. The development of data analysis software infrastructure at the current stage is crucial. In this…

General Relativity and Quantum Cosmology · Physics 2026-02-13 Rui Niu , Chang Feng , Wen Zhao
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