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This work for the first time addresses the feasibility of measuring millihertz gravitational waves (mHz GWs) with a storage ring-based detector. While this overall challenge consists of several partial problems, here we focus solely on…

General Relativity and Quantum Cosmology · Physics 2024-10-11 Thorben Schmirander , Velizar Miltchev , Suvrat Rao , Marcus Brüggen , Florian Grüner , Wolfgang Hillert , Jochen Liske

The LIGO observatories detect gravitational waves through monitoring changes in the detectors' length down to below $10^{-19}$\,$m/\sqrt{Hz}$ variation---a small fraction of the size of the atoms that make up the detector. To achieve this…

Instrumentation and Methods for Astrophysics · Physics 2020-05-27 Robert E. Colgan , K. Rainer Corley , Yenson Lau , Imre Bartos , John N. Wright , Zsuzsa Marka , Szabolcs Marka

Here we calculate the effects of astrophysical gravitational waves (GWs) on the travel times of proton bunch test masses in circular particle accelerators. We show that a high-precision proton bunch time-tagging detector could turn a…

Instrumentation and Methods for Astrophysics · Physics 2021-01-06 Suvrat Rao , Marcus Brüggen , Jochen Liske

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…

General Relativity and Quantum Cosmology · Physics 2023-07-18 Deepali Agarwal , Jishnu Suresh , Vuk Mandic , Andrew Matas , Tania Regimbau

Gravitational waves carry unique information about high-energy astrophysical events such as the inspiral and merger of neutron stars and black holes, core collapse in massive stars, and other sources. Large gravitational wave (GW) detectors…

Instrumentation and Methods for Astrophysics · Physics 2019-08-13 Peter S. Shawhan

We present results from searches of recent LIGO and Virgo data for continuous gravitational wave signals (CW) from spinning neutron stars and for a stochastic gravitational wave background (SGWB). The first part of the talk is devoted to CW…

Instrumentation and Methods for Astrophysics · Physics 2019-08-13 C. Palomba

Gravitational wave (GW) source counts have been recently shown to be able to test how gravitational radiation propagates with the distance from the source. Here, we extend this formalism to cosmological scales, i.e. the high redshift…

Cosmology and Nongalactic Astrophysics · Physics 2016-07-18 Juan García-Bellido , Savvas Nesseris , Manuel Trashorras

Gravitational Waves (GWs) provide a unique way to explore our Universe. The ongoing ground-based detectors, e.g., LIGO, Virgo, and KAGRA, and the upcoming next-generation detectors, e.g., Cosmic Explorer and Einstein Telescope, as well as…

Solar and Stellar Astrophysics · Physics 2024-04-02 Zhenwei Li , Xuefei Chen

Space-based gravitational wave (GW) detectors will be able to observe signals from sources that are otherwise nearly impossible from current ground-based detection. Consequently, the well established signal detection method, matched…

General Relativity and Quantum Cosmology · Physics 2023-08-17 Tianyu Zhao , Ruoxi Lyu , He Wang , Zhoujian Cao , Zhixiang Ren

We show that the gravitational wave source counts distribution can test how gravitational radiation propagates on cosmological scales. This test does not require obtaining redshifts for the sources. If the signal-to-noise ratio (SNR,…

General Relativity and Quantum Cosmology · Physics 2016-07-27 Erminia Calabrese , Nicholas Battaglia , David N. Spergel

Here I examine how to determine the sensitivity of the LIGO, VIRGO, and LAGOS gravitational wave detectors to sources of gravitational radiation by considering the process by which data are analyzed in a noisy detector. By constructing the…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Lee Samuel Finn

The problem of the detection and mapping of a stochastic gravitational wave background (SGWB), either of cosmological or astrophysical origin, bears a strong semblance to the analysis of CMB anisotropy and polarization. The basic statistic…

General Relativity and Quantum Cosmology · Physics 2008-12-18 Sanjit Mitra , Sanjeev Dhurandhar , Tarun Souradeep , Albert Lazzarini , Vuk Mandic , Sukanta Bose , Stefan Ballmer

After giving a brief introduction and presenting a complete classification of gravitational waves (GWs) according to their frequencies, we review and summarize the detection methods, the sensitivities, and the sources. We notice that…

General Relativity and Quantum Cosmology · Physics 2016-02-03 Kazuaki Kuroda , Wei-Tou Ni , Wei-Ping Pan

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…

Instrumentation and Methods for Astrophysics · Physics 2015-06-04 J. A. Ellis , F. A. Jenet , M. A. McLaughlin

We consider an anisotropic search for the stochastic gravitational-wave (GW) background by decomposing the gravitational-wave sky into its spherical harmonics components. Previous analyses have used the diffraction limit to define the…

Instrumentation and Methods for Astrophysics · Physics 2022-07-20 Erik Floden , Vuk Mandic , Andrew Matas , Leo Tsukada

We use data on the local 3-dimensional galaxy distribution for studying the statistics of the detection rates of gravitational waves (GW) coming from supernova explosions. We consider both tensor and scalar gravitational waves which are…

Astrophysics · Physics 2009-11-06 Yu. V. Baryshev , G. Paturel

The direct detection of gravitational waves by the LIGO-Virgo collaboration has opened a new window with which to measure cosmological parameters such as the Hubble constant $H_0$, and also probe general relativity on large scales. In this…

General Relativity and Quantum Cosmology · Physics 2020-08-14 S. Mastrogiovanni , D. Steer , M. Barsuglia

We consider the problem of searching for continuous gravitational wave sources orbiting a companion object. This issue is of particular interest because the LMXB's, and among them Sco X-1, might be marginally detectable with 2 years…

General Relativity and Quantum Cosmology · Physics 2009-12-31 Sanjeev V. Dhurandhar , Alberto Vecchio

After first reviewing the gravitational wave (GW) spectral classification. we discuss the sensitivities of GW detection in space aimed at low frequency band (100 nHz-100 mHz) and middle frequency band (100 mHz-10 Hz). The science goals are…

General Relativity and Quantum Cosmology · Physics 2018-01-24 Wei-Tou Ni

Coincident observations with gravitational wave (GW) detectors and other astronomical instruments are in the focus of the experiments with the network of LIGO, Virgo and GEO detectors. They will become a necessary part of the future GW…

Instrumentation and Methods for Astrophysics · Physics 2011-05-25 S. Klimenko , G. Vedovato , M. Drago , G. Mazzolo , G. Mitselmakher , C. Pankow , G. Prodi , V. Re , F. Salemi , I. Yakushin
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