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Detection of signals from a possible extrasolar technological civilization is one of the challenging efforts of science. In this work, we propose using natural telescopes made of single or binary gravitational lensing systems to magnify…

天体物理仪器与方法 · 物理学 2016-08-31 Sohrab Rahvar

The stochastic cosmological gravitational-wave background (CGWB) provides a direct window to study early universe phenomena and fundamental physics. With the proposed third-generation ground-based gravitational wave detectors, Einstein…

广义相对论与量子宇宙学 · 物理学 2020-09-16 Ashish Sharma , Jan Harms

Joint gravitational wave (GW) and electromagnetic (EM) observations, as a key research direction in multi-messenger astronomy, will provide deep insight into the astrophysics of a vast range of astronomical phenomena. Uncertainties in the…

高能天体物理现象 · 物理学 2015-06-19 Xilong Fan , Christopher Messenger , Ik Siong Heng

In this paper, we investigate the sensitivity to additional gravitational wave polarization modes of future detectors. We first look at the upcoming Einstein Telescope and its combination with existing or planned Earth-based detectors in…

广义相对论与量子宇宙学 · 物理学 2018-08-20 Lionel Philippoz , Adrian Boîtier , Philippe Jetzer

Standard sirens are the gravitational wave (GW) analog of the astronomical standard candles, and can provide powerful information about the dynamics of the Universe. In this work, we simulate a catalog with 1000 standard siren events from…

广义相对论与量子宇宙学 · 物理学 2019-08-26 Rocco D'Agostino , Rafael C. Nunes

Increasing the sensitivity of a gravitational-wave (GW) detector improves our ability to measure the characteristics of detected sources. It also increases the number of weak signals that contribute to the data. Because GW detectors have…

广义相对论与量子宇宙学 · 物理学 2009-11-06 Tania Regimbau , Scott A. Hughes

The electromagnetic (EM) emission associated with a gravitational wave (GW) signal is one of the main goal of future astronomy. Merger of neutron stars and/or black holes and core-collapse of massive stars are expected to cause rapid…

Around the globe several observatories are seeking the first direct detection of gravitational waves (GWs). These waves are predicted by Einstein's General Theory of Relativity [Einstein, A., Annalen der Physik 49, 769-822 (1916)] and are…

量子物理 · 物理学 2012-08-27 The LIGO Scientific Collaboration

Neutron star binaries, which are among the most promising sources for the direct detection of gravitational waves (GW) by ground based detectors, are also potential electromagnetic (EM) emitters. Gravitational waves will provide a new…

广义相对论与量子宇宙学 · 物理学 2015-06-19 Shaon Ghosh , Gijs Nelemans

Gravitational Wave (GW) sources are standard sirens that provide an independent way to map the cosmic expansion history by combining with an independent redshift measurement either from an electromagnetic counterpart for a bright siren or…

Next-generation gravitational wave (GW) observatories, such as the Einstein Telescope (ET) and Cosmic Explorer, will observe binary neutron star (BNS) mergers across cosmic history, providing precise parameter estimates for the closest…

The Gravitational Wave (GW) universe contains a wealth of sources which, with the proper treatment, will open up the universe as never before. By observing massive black hole binaries to high redshifts, we should begin to explore the…

广义相对论与量子宇宙学 · 物理学 2015-06-22 Edward K. Porter

The detection of gravitational waves (GWs) has provided a new tool to study the Universe, with the scientific return enriched when combined with established probes: electromagnetic (EM) radiation and energetic particles. Since the…

高能天体物理现象 · 物理学 2024-10-25 Matt Nicholl , Igor Andreoni

Third generation ground-based gravitational wave (GW) detectors, such as Einstein Telescope and Cosmic Explorer, will operate in the $(\text{few}-10^4)$ Hz frequency band, with a boost in sensitivity providing an unprecedented reach into…

宇宙学与河外天体物理 · 物理学 2024-11-21 Chiara Caprini , Oriol Pujolàs , Hippolyte Quelquejay-Leclere , Fabrizio Rompineve , Danièle A. Steer

The Einstein Telescope (ET), the European project for a third-generation gravitational-wave detector, has a reference configuration based on a triangular shape consisting of three nested detectors with 10 km arms, where in each arm there is…

We investigate the prospects for detecting a parity-violating gravitational-wave background (GWB) with third-generation ground-based detector networks. We focus on a network consisting of one Einstein Telescope (ET) and two Cosmic Explorer…

广义相对论与量子宇宙学 · 物理学 2026-02-26 Hannah Duval , Charles Badger , Mairi Sakellariadou

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

We consider stellar-origin black hole binaries, which are among the main astrophysical sources for next generation gravitational wave (GW) detectors such as the Einstein Telescope (ET) and Cosmic Explorer (CE). Using population models…

宇宙学与河外天体物理 · 物理学 2022-11-23 Mauro Pieroni , Angelo Ricciardone , Enrico Barausse

A successful experiment combining emission and reception of gravitational waves (GWs) would constitute a premiere of gravity control. However, such experiments manipulating gravity would require to compactly store large amounts of energy…

广义相对论与量子宇宙学 · 物理学 2021-08-24 A. Füzfa

Next-generation gravitational-wave detectors will provide unprecedented sensitivity to inspiraling binary neutron stars and black holes, enabling detections at the peak of star formation and beyond. However, the signals from these systems…

天体物理仪器与方法 · 物理学 2024-02-22 Andrew L. Miller , Neha Singh , Cristiano Palomba