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Ultralight bosonic fields (ULBFs) are predicted by various theories beyond the standard model of particle physics and are viable candidates of cold dark matter. There have been increasing interests to search for the ULBFs in physical and…

General Relativity and Quantum Cosmology · Physics 2024-10-11 Jiang-Chuan Yu , Yue-Hui Yao , Yong Tang , Yue-Liang Wu

We rigorously analyze the frequency response functions and antenna sensitivity patterns of three types of interferometric detectors to scalar mode of gravitational waves which is predicted to exist in the scalar-tensor theory of gravity. By…

General Relativity and Quantum Cosmology · Physics 2009-12-31 Ken-ichi Nakao , Tomohiro Harada , Masaru Shibata , Seiji Kawamura , Takashi Nakamura

Clock noise is one of the dominant noises in the space-borne gravitational wave (GW) detection. To suppress this noise, the clock noise-calibrated time-delay-interferometry (TDI) technique is proposed. In this technique, an inter-spacecraft…

Instrumentation and Methods for Astrophysics · Physics 2023-10-31 Mingyang Xu , Yujie Tan , Hanzhong Wu , Panpan Wang , Hao Yan , Yurong Liang , Chenggang Shao

We report an upper bound on the strain amplitude of gravitational wave bursts in a waveband from around 800Hz to 1.25kHz. In an effective coincident observing period of 62 hours, the prototype laser interferometric gravitational wave…

General Relativity and Quantum Cosmology · Physics 2008-11-26 D. Nicholson

The Laser Interferometer Space Antenna (LISA) mission aims to detect gravitational waves by interferometrically measuring the change of separation between free-falling test masses (TMs). LISA's interferometers must deliver pm/rtHz…

Low frequency high precision laser interferometry is subject to excess laser-frequency-noise coupling via arm-length differences which is commonly mitigated by locking the frequency to a stable reference system. This approach is crucial to…

Instrumentation and Detectors · Physics 2017-03-01 Oliver Gerberding , Katharina-Sophie Isleif , Moritz Mehmet , Karsten Danzmann , Gerhard Heinzel

Detecting gravitational wave bursts (characterised by short durations and poorly modelled waveforms) requires to have coincidences between several interferometric detectors in order to reject non-stationary noise events. As the wave…

General Relativity and Quantum Cosmology · Physics 2009-11-07 Nicolas Arnaud , Matteo Barsuglia , Marie-Anne Bizouard , Philippe Canitrot , Fabien Cavalier , Michel Davier , Patrice Hello , Thierry Pradier

The aims of this letter are two. First, to show the angular gauge-invariance on the response of interferometers to gravitational waves (GWs). In this process, after resuming for completeness results on the Transverse-Traceless (TT) gauge,…

General Relativity and Quantum Cosmology · Physics 2011-10-20 Christian Corda

The basic constituent of interferometric gravitational wave detectors -- the test mass to test mass interferometric link -- behaves as a differential dynamometer measuring effective differential forces, comprising an integrated measure of…

General Relativity and Quantum Cosmology · Physics 2015-03-24 Giuseppe Congedo

We have constructed timing solutions for 81 gamma-ray pulsars covering more than five years of Fermi data. The sample includes 37 radio-quiet or radio-faint pulsars which cannot be timed with other telescopes. These timing solutions and the…

High Energy Astrophysical Phenomena · Physics 2015-12-02 Matthew Kerr , Paul Ray , Simon Johnston , Ryan Shannon , Fernando Camilo

Tilt-to-length (TTL) coupling is expected to be one of the major noise sources in the interferometric phase readouts in TianQin mission. Arising from the angular motion of spacecraft (SC) and the onboard movable optical subassemblies…

Instrumentation and Methods for Astrophysics · Physics 2024-10-29 Zhizhao Wang , Shuju Yang , Kaihang Wu , Xiaojie Wang , Huizong Duan , Yurong Liang , Xuefeng Zhang , Hsien-Chi Yeh

Tilt-to-length (TTL) noise, caused by angular jitter and misalignment, is a major noise source in the inter-satellite interferometer for gravitational wave detection. However, the required level of axis alignment of the optical components…

Instrumentation and Detectors · Physics 2025-04-11 Peng Qiu , Xiang Lin , Yurong Liang , Hao Yan , Haixing Miao , Zebing Zhou

TianQin is a proposed space-borne gravitational wave (GW) observatory composed of three identical satellites orbiting around the geocenter with a radius of $10^5$ km. It aims at detecting GWs in the frequency range of 0.1 mHz -- 1 Hz. The…

Solar and Stellar Astrophysics · Physics 2021-06-30 Wei Su , Yan Wang , Chen Zhou , Lingfeng Lu , Ze-Bing Zhou , T. Li , Tong Shi , Xin-Chun Hu , Ming-Yue Zhou , Ming Wang , Hsien-Chi Yeh , Han Wang , P. F. Chen

The arm length and the isolation in space enable LISA to probe for signals unattainable on ground, opening a window to the sub-Hz gravitational-wave universe. The coupling of unavoidable angular spacecraft jitter into the longitudinal…

ASTROD-GW (ASTROD [Astrodynamical Space Test of Relativity using Optical Devices] optimized for Gravitation Wave detection) is an optimization of ASTROD to focus on the goal of detection of gravitation waves. The detection sensitivity is…

General Relativity and Quantum Cosmology · Physics 2013-04-02 G. Wang , W. -T. Ni

Spacetime fluctuations (SFs), a common feature of different proposed gravity models, could be detected using laser interferometers. In the search for SFs, a correspondence between the expected output signals and different gravity models is…

General Relativity and Quantum Cosmology · Physics 2026-03-03 B. Sharmila , Sander M. Vermeulen , Animesh Datta

We explore the impact of choosing different sets of Time-Delay Interferometry (TDI) variables for detecting and reconstructing Stochastic Gravitational Wave Background (SGWB) signals and estimating the instrumental noise in LISA. Most works…

General Relativity and Quantum Cosmology · Physics 2023-07-05 Olaf Hartwig , Marc Lilley , Martina Muratore , Mauro Pieroni

Time-resolved atom interferometry, as employed in applications such as gravitational wave detection and searches for ultra-light dark matter, requires precise control over systematic effects. In this work, we investigate phase noise arising…

Atomic Physics · Physics 2025-11-25 Noam Mouelle , Jeremiah Mitchell , Valerie Gibson , Ulrich Schneider

We propose a new type of experiment that compares the frequency of a clock (an ultra-stable optical cavity in this case) at time $t$ to its own frequency some time $t-T$ earlier, by "storing" the output signal (photons) in a fibre delay…

General Relativity and Quantum Cosmology · Physics 2021-02-10 Etienne Savalle , Aurelien Hees , Florian Frank , Etienne Cantin , Paul-Eric Pottie , Benjamin M. Roberts , Lucie Cros , Ben T. McAllister , Peter Wolf

The Laser Interferometer Space Antenna (LISA) mission features a three-spacecraft long-arm constellation intended to detect gravitational wave sources in the low-frequency band up to 1 Hz via laser interferometry. The paper presents an…

Instrumentation and Detectors · Physics 2022-08-24 Niklas Houba , Simon Delchambre , Tobias Ziegler , Gerald Hechenblaikner , Walter Fichter