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Laser frequency noise (LFN) is the dominant source of noise expected in the Laser Interferometer Space Antenna (LISA) mission, at $\sim$7 orders of magnitude greater than the typical signal expected from gravitational waves (GWs).…

General Relativity and Quantum Cosmology · Physics 2021-10-13 Jessica Page , Tyson Littenberg

Cubic gold-platinum free-falling test masses (TMs) constitute the mirrors of future LISA and LISA-like interferometers for low-frequency gravitational wave detection in space. High-energy particles of Galactic and solar origin charge the…

High Energy Astrophysical Phenomena · Physics 2022-10-05 Catia Grimani , Mattia Villani , Michele Fabi , Andrea Cesarini , Federico Sabbatini

The Laser Interferometer Space Antenna (LISA) is due to launch in the mid-2030s. A key challenge for LISA data analysis is efficient Bayesian inference with parametrised gravitational-wave models, particularly for early inspirals of low-…

General Relativity and Quantum Cosmology · Physics 2025-12-15 Jethro Linley

LISA will detect gravitational waves (GWs) in the milli-Hz frequency band in space. Time-delay interferometry (TDI) is developed to suppress laser frequency noise beneath the acceleration noise and optical metrology noise. To identify…

General Relativity and Quantum Cosmology · Physics 2022-08-30 Gang Wang , Bin Li , Peng Xu , Xilong Fan

Correcting gradual position drift is a challenge in long-term subsea navigation. Though highly accurate, modern inertial navigation system (INS) estimates will drift over time due to the accumulated effects of sensor noise and biases, even…

Robotics · Computer Science 2023-07-12 Amro Al-Baali , Thomas Hitchcox , James Richard Forbes

The Laser Interferometer Space Antenna (LISA) is a gravitational wave detector in space. It relies on a post-processing technique named time-delay interferometry (TDI) to suppress the overwhelming laser frequency noise by several orders of…

The LISA mission is a space interferometer aiming at the detection of gravitational waves in the [$10^{-4}$,$10^{-1}$] Hz frequency band. In order to reach the gravitational wave detection level, a Time Delay Interferometry (TDI) method…

General Relativity and Quantum Cosmology · Physics 2008-11-26 S. Pireaux

Electrostatic force actuation is a key component of the system of geodesic reference test masses (TM) for the LISA orbiting gravitational wave observatory and in particular for performance at low frequencies, below 1 mHz, where the…

Three spacecraft of LISA/TAIJI mission follow their respective geodesic trajectories, and their interferometric arms are unequal and time-varying due to orbital dynamics. Time-delay interferometry (TDI) is proposed to suppress the laser…

General Relativity and Quantum Cosmology · Physics 2023-05-26 Gang Wang , Wei-Tou Ni

Dynamics of the 1D electron transport between two reservoirs are studied based on the inhomogeneous Tomonaga- Luttinger Liquid (ITLL) model in the case when the effect of the electron backscattering on the impurities is negligible. The…

Condensed Matter · Physics 2015-06-25 Vadim Ponomarenko

We investigate the effect of spin-orbit and spin-spin couplings on the estimation of parameters for inspiralling compact binaries of massive black holes, and for neutron stars inspiralling into intermediate-mass black holes, using…

General Relativity and Quantum Cosmology · Physics 2009-11-10 Emanuele Berti , Alessandra Buonanno , Clifford M. Will

A main scientific output of the LISA Pathfinder mission is to provide a noise model that can be extended to the future gravitational wave observatory, LISA. The success of the mission depends thus upon a deep understanding of the…

General Relativity and Quantum Cosmology · Physics 2010-12-28 M. Nofrarias , C. Röver , M. Hewitson , A. Monsky , G. Heinzel , K. Danzmann , L. Ferraioli , M. Hueller , S. Vitale

The thermal experiments to be carried out onboard LISA Pathfinder (LPF) will provide essential information of the dependences of the instrument with respect to temperature variations. These thermal experiments must be modelled and simulated…

Instrumentation and Methods for Astrophysics · Physics 2013-12-12 Ferran Gibert , Miquel Nofrarias , Nikolaos Karnesis , Marc Díaz-Aguiló , Ignacio Mateos , Alberto Lobo , Lluís Gesa , Víctor Martín , Ivan Lloro

Time-delay interferometry (TDI) is essential for suppressing laser frequency noise in space-based gravitational wave (GW) observatories such as LISA. However, current second-generation TDI schemes often exhibit undesirable null frequencies…

General Relativity and Quantum Cosmology · Physics 2026-01-19 Gang Wang

We conduct an analysis of the measurement abilities of distinctive LISA detector designs, examining the influence of LISA's low-frequency performance on the detection and characterization of massive black hole binaries. We are particularly…

General Relativity and Quantum Cosmology · Physics 2019-03-07 Michael L. Katz , Shane L. Larson

Superconducting circuits are a leading platform for quantum computing. However, their coherence times are still limited and exhibit temporal fluctuations. Those phenomena are often attributed to the coupling between qubits and material…

Quantum Physics · Physics 2022-10-13 Xinyuan You , Ziwen Huang , Ugur Alyanak , Alexander Romanenko , Anna Grassellino , Shaojiang Zhu

We present a comprehensive simulation of the spatial acquisition of optical links for the LISA mission in the in-field pointing architecture, where a fast pointing mirror is used to move the field-of-view of the optical transceiver, which…

Instrumentation and Detectors · Physics 2023-02-24 Gerald Hechenblaikner , Simon Delchambre , Tobias Ziegler

The science operations of the LISA Pathfinder mission has demonstrated the feasibility of sub-femto-g free-fall of macroscopic test masses necessary to build a LISA-like gravitational wave observatory in space. While the main focus of…

Intrinsic alignments (IA) of galaxies is one of the key secondary signals to cosmic shear measurements, and must be modeled to interpret weak lensing data and infer the correct cosmology. There are large uncertainties in the physical…

This paper presents a procedure to perform fully autonomous on-orbit alignment of the interferometer on board the LISA Technology Package (LTP). LTP comprises two free-floating test masses as inertial sensors that additionally serve as end…

Instrumentation and Detectors · Physics 2008-11-26 A F Garcia Marin , V Wand , F Steier , F Guzman Cervantes , J Bogenstahl , O Jennrich , G Heinzel , K Danzmann
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