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The sensitivity of current gravitational wave (GW) detectors to transient GW signals is severely affected by a variety of non-Gaussian and non-stationary noise transients, such as the blip, tomte, koi fish, and low-frequency blip…

广义相对论与量子宇宙学 · 物理学 2026-03-04 Tathagata Ghosh , Sukanta Bose , Sanjeev Dhurandhar , Sunil Choudhary

Gravitational Waves (GWs) are tiny ripples in the fabric of space-time predicted by Einstein's General Relativity. Pulsar timing arrays (PTAs) are well poised to detect low frequency ($10^{-9}$ -- $10^{-7}$ Hz) GWs in the near future. There…

天体物理仪器与方法 · 物理学 2015-06-04 J. A. Ellis , F. A. Jenet , M. A. McLaughlin

Observations of gravitational waves (GWs) from compact binary coalescences provide powerful tests of general relativity (GR), but systematic errors in data analysis could lead to incorrect scientific conclusions. This issue is especially…

广义相对论与量子宇宙学 · 物理学 2023-03-16 Qian Hu , John Veitch

The Einstein Telescope (ET), a planned third-generation gravitational-wave (GW) observatory, will offer significantly improved sensitivity, introducing new challenges for data analysis and computing. To prepare for these demands, the ET…

广义相对论与量子宇宙学 · 物理学 2026-03-09 Regimbau Tania , Suresh Jishnu

The advanced gravitational wave (GW) detector network has started {routine detection of } signals from merging compact binaries. Data indicate that in a fair fraction of these sources, at least one component was a neutron star, bringing…

高能天体物理现象 · 物理学 2022-09-29 Akshat Singhal , Sourav Palit , Suman Bala , Gaurav Waratkar , Harsh Kumar , Varun Bhalerao

Third-generation gravitational wave detectors, such as the Einstein Telescope and Cosmic Explorer, will detect a bunch of gravitational-wave (GW) signals originating from the coalescence of binary neutron star (BNS) and binary black hole…

广义相对论与量子宇宙学 · 物理学 2021-08-18 Yoshiaki Himemoto , Atsushi Nishizawa , Atsushi Taruya

The phenomenon of Gravitational Wave (GW) analysis has grown in popularity as technology has advanced and the process of observing gravitational waves has become more precise. Although the sensitivity and the frequency of observation of GW…

机器学习 · 计算机科学 2023-11-07 Elena-Simona Apostol , Ciprian-Octavian Truică

The matched filtering paradigm is the mainstay of gravitational wave (GW) searches from astrophysical coalescing compact binaries. The compact binary coalescence (CBC) search pipelines perform the matched filter between the GW detector's…

广义相对论与量子宇宙学 · 物理学 2024-06-19 Chetan Verma , Amit Reza , Dilip Krishnaswamy , Sarah Caudill , Gurudatt Gaur

Overlapping signals represent one of the major data analysis challenges in next-generation gravitational wave detectors. We leverage Transformers and Normalizing Flows, state-of-the-art machine learning algorithms, to address the parameter…

广义相对论与量子宇宙学 · 物理学 2025-05-06 Lucia Papalini , Federico De Santi , Massimiliano Razzano , Ik Siong Heng , Elena Cuoco

Gravitational wave (GW) astronomy has consolidated its role as a new observational window to reveal the properties of compact binaries in the Universe. In particular, the discovery of the first binary neutron star coalescence, GW170817, led…

广义相对论与量子宇宙学 · 物理学 2018-12-26 Anuradha Samajdar , Tim Dietrich

Multi-wavelength and multi-messenger astrophysics have experienced rapid growth over the past decade, seeking a complete picture of different cosmic phenomena. Transient sources, in particular, benefit from the input of multi-messenger…

高能天体物理现象 · 物理学 2025-10-06 Bernardo Cornejo , Halim Ashkar , Matteo Cerruti , Ilja Jaroschewski , Pierre Pichard , Santiago Pita , Fabian Schussler

Gravitational-wave searches for cosmic strings are currently hindered by the presence of detector glitches, some classes of which strongly resemble cosmic string signals. This confusion greatly reduces the efficiency of searches. A…

天体物理仪器与方法 · 物理学 2024-01-23 Quirijn Meijer , Melissa Lopez , Daichi Tsuna , Sarah Caudill

Gravitational wave (GW) detections have enriched our understanding of the universe. To date, all single-source GW events were found by interferometer-type detectors. We study a detection method using astrometric solutions from photometric…

广义相对论与量子宇宙学 · 物理学 2021-04-13 Yijun Wang , Kris Pardo , Tzu-Ching Chang , Olivier Doré

Einstein Telescope (ET) is a project of third generation gravitational wave (GW) detector with a planned sensitivity 10 times better than current detectors such as Advanced LIGO and Advanced Virgo. The high rate of GW signals expected in…

广义相对论与量子宇宙学 · 物理学 2025-01-13 Adrian Macquet , Tito Dal Canton , Tania Regimbau

Gravitational wave (GW) detectors, such as LIGO, Virgo, and KAGRA, detect faint signals from distant astrophysical events. However, their high sensitivity also makes them susceptible to background noise, which can obscure these signals.…

广义相对论与量子宇宙学 · 物理学 2025-10-23 Tom Dooney , Harsh Narola , Stefano Bromuri , R. Lyana Curier , Chris Van Den Broeck , Sarah Caudill , Daniel Stanley Tan

Gravitational waves detected by advanced ground-based detectors have allowed studying the universe in a way which is fully complementary to electromagnetic observations. As more sources are detected, it will be possible to measure…

广义相对论与量子宇宙学 · 物理学 2018-07-25 Salvatore Vitale , Chris Whittle

A design study is currently in progress for a third generation gravitational-wave (GW) detector called Einstein Telescope (ET). An important kind of source for ET will be the inspiral and merger of binary neutron stars (BNS) up to $z \sim…

宇宙学与河外天体物理 · 物理学 2011-02-02 W. Zhao , C. Van Den Broeck , D. Baskaran , T. G. F. Li

We discuss two approaches to searches for gravitational-wave (GW) and electromagnetic (EM) counterparts of binary neutron star mergers. The first approach relies on triggering archival searches of GW detector data based on detections of EM…

高能天体物理现象 · 物理学 2015-06-03 Ilya Mandel , Luke Z. Kelley , Enrico Ramirez-Ruiz

We present a forecast for the upcoming Einstein Telescope (ET) interferometer with two new methods to infer cosmological parameters. We consider the emission of Gravitational Waves (GWs) from compact binary coalescences, whose…

宇宙学与河外天体物理 · 物理学 2024-05-15 Giovanni Antinozzi , Matteo Martinelli , Roberto Maoli

The second-generation interferometric gravitational wave detectors currently under construction are expected to make their first detections within this decade. This will firmly establish gravitational wave physics as an empirical science…

广义相对论与量子宇宙学 · 物理学 2015-06-15 Chris Van Den Broeck