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Rapidly rotating white dwarfs in cataclysmic variable systems may be emitting gravitational radiation due to the recently discovered relativistic r-mode instability. Assuming that the four most rapidly rotating known systems are limited in…

General Relativity and Quantum Cosmology · Physics 2009-09-25 William A. Hiscock

We present a first-stage study of the effect of using knowledge from electromagnetic (EM) observations in the gravitational wave (GW) data analysis of Galactic binaries that are predicted to be observed by the new Laser Interferometer Space…

Instrumentation and Methods for Astrophysics · Physics 2015-06-05 Sweta Shah , Marc van der Sluys , Gijs Nelemans

We calculate stochastic gravitational wave background produced by extragalactic merging binary white dwarfs at the LISA frequencies $10^{-3}-10^{-2}$ Hz with account of a strong evolution of global star formation rate in the Universe…

Astrophysics · Physics 2007-05-23 D. I. Kosenko , K. A. Postnov

The focus of this Chapter is on describing the prospective sources of the gravitational wave universe accessible to present and future observations, from kHz, to mHz down to nano-Hz frequencies. The multi-frequency gravitational wave…

High Energy Astrophysical Phenomena · Physics 2017-04-26 Monica Colpi , Alberto Sesana

Gravitational wave astronomy has placed strong constraints on fundamental physics, and there is every expectation that future observations will continue to do so. In this work we quantify this expectation for future binary merger…

General Relativity and Quantum Cosmology · Physics 2018-11-13 Stephon Alexander , Evan McDonough , Robert Sims , Nicolas Yunes

The discovery of the first pulsar in a binary star system, the Hulse--Taylor pulsar, 50 years ago opened up an entirely new field of experimental gravity. For the first time it was possible to investigate strong-field and radiative aspects…

General Relativity and Quantum Cosmology · Physics 2024-07-24 Paulo C. C. Freire , Norbert Wex

Gravitational waves (GWs) produced by sound waves in the primordial plasma during a strong first-order phase transition in the early Universe are going to be a main target of the upcoming Laser Interferometer Space Antenna (LISA)…

High Energy Physics - Phenomenology · Physics 2020-11-17 Kai Schmitz

Context. As the importance of Gravitational Wave (GW) Astrophysics increases rapidly, astronomers in different fields and with different backgrounds can have the need to get a quick idea of which GW source populations can be detected by…

In its observation band, the Laser Interferometer Space Antenna (LISA) will simultaneously observe stochastic gravitational-wave background (SGWB) signals of different origins; orbitally modulated waveforms from galactic white dwarf…

General Relativity and Quantum Cosmology · Physics 2021-05-18 Guillaume Boileau , Astrid Lamberts , Nelson Christensen , Neil J. Cornish , Renate Meyer

The first decade of the new millenium should see the first direct detections of gravitational waves. This will be a milestone for fundamental physics and it will open the new observational science of gravitational wave astronomy. But…

General Relativity and Quantum Cosmology · Physics 2010-04-06 Bernard F Schutz

Compact object binaries, mostly double with dwarfs, are believed to be a potential source of confusion-limited noise for the Laser Interferometer Space Antenna (LISA). In a specific frequency range, this noise may rise above the…

Understanding common envelope (CE) evolution is an outstanding problem in binary evolution. Although the CE phase is not driven by gravitational-wave (GW) emission, the in-spiraling binary emits GWs that passively trace the CE dynamics.…

Solar and Stellar Astrophysics · Physics 2021-10-13 M. Renzo , T. Callister , K. Chatziioannou , L. A. C. van Son , C. M. F. Mingarelli , M. Cantiello , K. E. S. Ford , B. McKernan , G. Ashton

The future space based gravitational wave detector LISA (Laser Interferometer Space Antenna) will observe millions of Galactic binaries constantly present in the data stream. A small fraction of this population (of the order of several…

General Relativity and Quantum Cosmology · Physics 2024-02-22 Natalia Korsakova , Stanislav Babak , Michael L. Katz , Nikolaos Karnesis , Sviatoslav Khukhlaev , Jonathan R. Gair

We consider the formation of double white dwarfs (DWDs) through dynamical interactions in globular clusters. Such interactions can give rise to eccentric DWDs, in contrast to the exclusively circular population expected to form in the…

Astrophysics · Physics 2009-11-13 B. Willems , V. Kalogera , A. Vecchio , N. Ivanova , F. A. Rasio , J. M. Fregeau , K. Belczynski

Among the expected sources of gravitational waves for the Laser Interferometer Space Antenna (LISA) is the capture of solar-mass compact stars by massive black holes residing in galactic centers. We construct a simple model for such a…

General Relativity and Quantum Cosmology · Physics 2009-10-28 Eric Poisson

Gravitational Wave (GW) observations of coalescing compact binaries will be unique probes of strong-field, dynamical aspects of relativistic gravity. We present a short review of various schemes proposed in the literature to test General…

General Relativity and Quantum Cosmology · Physics 2015-06-15 K G Arun , Archana Pai

The Laser Interferometer Space Antenna (LISA) will provide the largest observational sample of (interacting) double white dwarf binaries, whose evolution is driven by radiation reaction and other effects, such as tides and mass transfer. We…

Astrophysics · Physics 2009-11-13 A. Stroeer , A. Vecchio , G. Nelemans

We quantify the advantages of a recently proposed data processing technique to search for continuous gravitational wave (GW) signals from isolated rotating asymmetric neutron stars in data measured by ground-based GW interferometers. This…

General Relativity and Quantum Cosmology · Physics 2025-05-27 Harshit Raj , Sanjeev Dhurandhar , Massimo Tinto

Sapce-borne gravitational wave antennas, such as LISA and LISA-like mission (Taiji and Tianqin), will offer novel perspectives for exploring our Universe while introduce new challenges, especially in data analysis. Aside from the known…

General Relativity and Quantum Cosmology · Physics 2024-09-17 Yuxiang Xu , Minghui Du , Peng Xu , Bo Liang , He Wang

One of the primary sources of gravitational waves (GWs) anticipated to be detected by the Laser Interferometer Space Antenna (LISA) are Galactic double white dwarf binaries (DWDs). However, most of these binaries will be unresolved, and…

Astrophysics of Galaxies · Physics 2025-06-02 Federico Pozzoli , Riccardo Buscicchio , Antoine Klein , Valeriya Korol , Alberto Sesana , Francesco Haardt