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相关论文: ET sensitivity to the anisotropic Stochastic Gravi…

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The stochastic gravitational wave background (SGWB) consists of an incoherent collection of waves from both astrophysical and cosmological sources. To distinguish the SGWB from noise, it is essential to verify its quadrupolar nature,…

广义相对论与量子宇宙学 · 物理学 2025-08-22 Yifan Chen , Yuxiang Liu , Jing Shu , Bin Xu , Xiao Xue , Yanjie Zeng

We propose a novel probe of fundamental physics that involves the exploration of temporal correlations between the multi-frequency electromagnetic (EM) signal and the sub-threshold GW signal or stochastic gravitational wave background…

高能天体物理现象 · 物理学 2021-09-15 Suvodip Mukherjee , Joseph Silk

With significantly improved sensitivity, the Einstein Telescope (ET), along with other upcoming gravitational wave detectors, will mark the beginning of precision gravitational wave astronomy. However, the pursuit of surpassing current…

Gravitational wave experiments have entered a new stage which gets us closer to the opening a new observational window on the Universe. In particular, the Einstein Telescope (ET) is designed to have a fantastic sensitivity that will provide…

宇宙学与河外天体物理 · 物理学 2015-06-17 Aleksandra Piórkowska , Marek Biesiada , Zong-Hong Zhu

Characterizing the physical properties of the stochastic gravitational waves background (SGWB) is a key step towards identifying the nature of its possible origin. We focus our analysis on SGWB anisotropies. The existence of a non-trivial…

宇宙学与河外天体物理 · 物理学 2021-09-14 Peter Adshead , Niayesh Afshordi , Emanuela Dimastrogiovanni , Matteo Fasiello , Eugene A. Lim , Gianmassimo Tasinato

The millisecond pulsars, old-recycled objects spinning with high frequency $\mathcal{O}$ (kHz) sustaining the deformation from their spherical shape, may emit gravitational waves (GW). These are one of the potential candidates contributing…

广义相对论与量子宇宙学 · 物理学 2023-07-18 Deepali Agarwal , Jishnu Suresh , Vuk Mandic , Andrew Matas , Tania Regimbau

Gravitational-wave (GW) astrophysics is a rapidly expanding field, with plans to enhance the global ground-based observatory network through the addition of larger, more sensitive observatories: Einstein Telescope and Cosmic Explorer. These…

天体物理仪器与方法 · 物理学 2022-03-03 Sarah E. Gossan , Evan D. Hall , Samaya M. Nissanke

The recent announcement of strong evidence for a stochastic gravitational-wave background (SGWB) by various pulsar timing array collaborations has highlighted this signal as a promising candidate for future observations. Despite its…

天体物理仪器与方法 · 物理学 2023-12-11 Leo Tsukada

One of the main pillars of the {\Lambda}CDM model is the Cosmological Principle, which states that our Universe is statistically isotropic and homogeneous on large scales. Here we test this hypothesis using the Astrophysical Gravitational…

宇宙学与河外天体物理 · 物理学 2022-12-06 Lorenzo Valbusa Dall'Armi , Angelo Ricciardone , Daniele Bertacca

An important next step for pulsar timing arrays (PTAs) is to measure anisotropies in the gravitational wave background (GWB) at $\sim$ nano-Hz frequencies. We calculate the expected GWB anisotropies using empirically calibrated models for…

宇宙学与河外天体物理 · 物理学 2026-02-20 Meng-Xiang Lin , Adam Lidz , Chung-Pei Ma

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

Anisotropies in the nanohertz gravitational-wave background are a compelling next target for pulsar timing arrays (PTAs). Measurements or informative upper limits to the anisotropies are expected in the near future and can offer important…

宇宙学与河外天体物理 · 物理学 2025-08-26 Gabriela Sato-Polito , Marc Kamionkowski

The detection of the Stochastic Gravitational Wave Background (SGWB) is one of the most challenging tasks for both current and next-generation detectors. Successfully distinguishing the SGWB from instrumental noise and environmental effects…

天体物理仪器与方法 · 物理学 2025-07-22 Ilaria Caporali , Angelo Ricciardone

A stochastic gravitational-wave background (SGWB) is expected to arise from the superposition of many independent and unresolved gravitational-wave signals, of either cosmological or astrophysical origin. Some cosmological models…

宇宙学与河外天体物理 · 物理学 2015-06-12 S. G. Crowder , R. Namba , V. Mandic , S. Mukohyama , M. Peloso

Gravitational wave (GW) experiments are entering their advanced stage which should soon open a new observational window on the Universe. Looking into this future, the Einstein Telescope (ET) was designed to have a fantastic sensitivity…

高能天体物理现象 · 物理学 2014-11-07 Marek Biesiada , Xuheng Ding , Aleksandra Piorkowska , Zong-Hong Zhu

Gravitational-wave (GW) observations of compact binaries have the potential to unlock several remarkable applications in astrophysics, cosmology, and nuclear physics through accurate measurements of the source luminosity distance and…

广义相对论与量子宇宙学 · 物理学 2025-09-23 Adriano Frattale Mascioli , Francesco Crescimbeni , Costantino Pacilio , Paolo Pani , Francesco Pannarale

Gravitational wave (GW) observations probe both a diffuse, stochastic gravitational wave background (SGWB) as well as individual cataclysmic events such as the merger of two compact objects. The detection and description of the…

宇宙学与河外天体物理 · 物理学 2025-03-28 Eleanor Gleave , Andrew Jaffe

The nature of the gravitational wave background (GWB) is a key question in modern astrophysics and cosmology, with significant implications for understanding of the structure and evolution of the Universe. We demonstrate how…

The South Pole Telescope (SPT) is a high-resolution microwave-frequency telescope designed to observe the Cosmic Microwave Background (CMB). To date, two cameras have been installed on the SPT to conduct two surveys of the CMB, the first in…

天体物理仪器与方法 · 物理学 2016-01-22 Benjamin Saliwanchik

The future ground- and space-based gravitational wave (GW) detectors offer unprecedented opportunities to test general relativity (GR) with greater precision. In this work, we investigate the capability of future ground-based GW detectors,…

广义相对论与量子宇宙学 · 物理学 2025-07-18 Bo-Yang Zhang , Tao Zhu , Jian-Ming Yan , Jing-Fei Zhang , Xin Zhang