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Gravitational wave detectors in the LIGO/Virgo frequency band are able to measure the individual masses and the composite tidal deformabilities of neutron-star binary systems. This paper demonstrates that high accuracy measurements of these…

High Energy Astrophysical Phenomena · Physics 2018-08-22 Lee Lindblom

Tidal disruption has a dramatic impact on the outcome of neutron star-black hole mergers. The phenomenology of these systems can be divided in three classes: nondisruptive, mildly disruptive or disruptive. The cutoff frequency of the…

General Relativity and Quantum Cosmology · Physics 2015-11-04 Francesco Pannarale , Emanuele Berti , Koutarou Kyutoku , Benjamin D. Lackey , Masaru Shibata

Gravitational waves from binary neutron stars in quasiequilibrium circular orbits are computed using an approximate method which we propose in this paper. In the first step of this method, we prepare general relativistic irrotational binary…

General Relativity and Quantum Cosmology · Physics 2009-11-07 Masaru Shibata , Koji Uryu

LIGO and Virgo recently observed the first binary neutron star merger, demonstrating that gravitational-waves offer the ability to probe how matter behaves in one of the most extreme environments in the Universe. However, the…

General Relativity and Quantum Cosmology · Physics 2018-07-11 Ian Harry , Tanja Hinderer

Gravitational waves from binary neutron star (BNS) and black hole/neutron star (BHNS) inspirals are primary sources for detection by the Advanced Laser Interferometer Gravitational-Wave Observatory. The tidal forces acting on the neutron…

We performed 3D numerical simulations of the merger of equal-mass binary neutron stars in full general relativity using a new large scale supercomputer. We take the typical grid size as (505,505,253) for (x,y,z) and the maximum grid size as…

General Relativity and Quantum Cosmology · Physics 2009-11-07 Masaru Shibata , Koji Uryu

Third-generation (3G) gravitational-wave detectors will observe thousands of coalescing neutron star binaries with unprecedented fidelity. Extracting the highest precision science from these signals is expected to be challenging owing to…

Gravitational waves generated by the final merger of compact binary systems depend on the structure of the binary's members. If the binary contains neutron stars, measuring such waves can teach us about the properties of matter at extreme…

General Relativity and Quantum Cosmology · Physics 2009-11-07 Scott A. Hughes

The joint observation of the gravitational-wave and electromagnetic signal from the binary neutron-star merger GW170817 allowed for a new independent measurement of the Hubble constant $H_0$, albeit with an uncertainty of about 15\% at…

General Relativity and Quantum Cosmology · Physics 2021-05-11 Juan Calderón Bustillo , Samson H. W. Leong , Tim Dietrich , Paul D. Lasky

We explore the potential for detecting rotational instabilities in the post-merger phase of binary neutron star mergers using different network configurations of upgraded and next-generation gravitational wave detectors. Our study employs…

General Relativity and Quantum Cosmology · Physics 2026-05-05 Argyro Sasli , Nikolaos Karnesis , Nikolaos Stergioulas

GW170817 began gravitational-wave multimessenger astronomy. However, GW170817 will not be representative of detections in the coming years -- typical gravitational-wave sources will be closer the detection horizon, have larger localization…

High Energy Astrophysical Phenomena · Physics 2020-10-21 Chris Pankow , Monica Rizzo , Kaushik Rao , Christopher P. L. Berry , Vassiliki Kalogera

Gravitational wave astronomy has established its role in measuring the equation of state governing cold supranuclear matter. To date and in the near future, gravitational wave measurements from neutron star binaries are likely to be…

General Relativity and Quantum Cosmology · Physics 2019-09-04 Ka Wa Tsang , Tim Dietrich , Chris Van Den Broeck

Gravitational-wave observations of binary neutron star systems can shed light on the currently unknown dense matter equation of state. The equation of state determines a large number of neutron star properties, such as tidal deformability,…

General Relativity and Quantum Cosmology · Physics 2026-02-17 Natalie Williams , Anna Puecher , Guilherme Grams , César V. Flores , Tim Dietrich

As gravitational wave instrumentation becomes more sensitive, it is interesting to speculate about subtle effects that could be analyzed using upcoming generations of detectors. One such effect that has great potential for revealing the…

High Energy Astrophysical Phenomena · Physics 2017-03-08 Cecilia Chirenti , Roman Gold , M. Coleman Miller

The independent measurement of Hubble constant with gravitational-wave standard sirens will potentially shed light on the tension between the local distance ladders and Planck experiments. Therefore, thorough understanding of the sources of…

High Energy Astrophysical Phenomena · Physics 2020-11-13 Hsin-Yu Chen

Nuclear reactions may affect gravitational-wave signals from neutron-star mergers, but the impact is uncertain. In order to quantify the effect, we compare two numerical simulations representing intuitive extremes. In one case reactions…

High Energy Astrophysical Phenomena · Physics 2022-05-24 Peter Hammond , Ian Hawke , Nils Andersson

Precise and reliable measurements of the masses and radii of neutron stars with a variety of masses would provide valuable guidance for improving models of the properties of cold matter with densities above the saturation density of nuclear…

High Energy Astrophysical Phenomena · Physics 2016-04-20 M. Coleman Miller , Frederick K. Lamb

Tidal effects in gravitational-wave (GW) observations from binary neutron star mergers have the potential to probe ultra-dense matter and shed light on the unknown nuclear equation of state of neutron stars. Tidal effects in inspiralling…

High Energy Astrophysical Phenomena · Physics 2022-07-13 Natalie Williams , Geraint Pratten , Patricia Schmidt

To detect the gravitational-wave (GW) signal from binary neutron stars and extract information about the equation of state of matter at nuclear density, it is necessary to match the signal with a bank of accurate templates. We present the…

General Relativity and Quantum Cosmology · Physics 2010-12-28 Luca Baiotti , Thibault Damour , Bruno Giacomazzo , Alessandro Nagar , Luciano Rezzolla

Continuous gravitational waves from neutron stars could provide an invaluable resource to learn about their interior physics. A common search method involves matched filtering a modeled template against the noisy gravitational-wave data to…

General Relativity and Quantum Cosmology · Physics 2017-09-26 Gregory Ashton , Reinhard Prix , David Ian Jones
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