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Gravitational-wave astronomy shows great promise in determining nuclear physics in a regime not accessible to terrestrial experiments. We introduce physics-informed priors constrained by nuclear theory and perturbative Quantum…

高能天体物理现象 · 物理学 2025-05-01 Spencer J. Magnall , Christian Ecker , Luciano Rezzolla , Paul D. Lasky , Simon R. Goode

Gravitational waves from neutron-star mergers are expected to provide stringent constraints on the structure of neutron stars. At the same time, recent advances in nuclear theory have enabled reliable calculations of the low density…

核理论 · 物理学 2019-09-04 I. Tews , J. Margueron , S. Reddy

Gravitational waves from merging binary neutron stars carry characteristic information about their astrophysical properties, including masses and tidal deformabilities, that are needed to infer their radii. In this study, we use Bayesian…

高能天体物理现象 · 物理学 2025-02-06 Sanika Khadkikar , Ish Gupta , Rahul Kashyap , Koustav Chandra , Rossella Gamba , Bangalore Sathyaprakash

The gravitational wave emission from the merging binary neutron star system GW170817 arrived full of tidal information which can be used to probe the fundamental ultra-dense nuclear physics residing in these stars. In previous work, we used…

广义相对论与量子宇宙学 · 物理学 2020-09-23 Zack Carson , Andrew W. Steiner , Kent Yagi

Gravitational wave observations of binary neutron star mergers provide valuable information about neutron star structure and the equation of state of dense nuclear matter. Numerous methods have been proposed to analyze the population of…

高能天体物理现象 · 物理学 2022-02-23 Jacob Golomb , Colm Talbot

The first detection of gravitational waves from a binary neutron star merger (GW170817) and the accompanying electromagnetic emission has impressively advanced our understanding of the merger process and has set some first constraints on…

广义相对论与量子宇宙学 · 物理学 2020-02-05 Andreas Bauswein , Nikolaos Stergioulas

In this article, I introduce ideas and techniques to extract information about the equation of state of matter at very high densities from gravitational waves emitted before, during and after the merger of binary neutron stars. I also…

高能天体物理现象 · 物理学 2019-09-30 Luca Baiotti

Detection of continuous gravitational waves from rapidly-spinning neutron stars opens up the possibility of examining their internal physics. We develop a framework that leverages a future continuous gravitational wave detection to infer a…

广义相对论与量子宇宙学 · 物理学 2023-02-15 Neil Lu , Karl Wette , Susan M. Scott , Andrew Melatos

We perform a joint Bayesian inference of neutron-star mass and radius constraints based on GW170817, observations of quiescent low-mass X-ray binaries (QLMXBs), photospheric radius expansion X-ray bursts (PREs), and X-ray timing…

Gravitational waves from neutron star binary inspirals contain information about the equation of state of supranuclear matter. In the absence of definitive experimental evidence that determines the correct equation of state, a number of…

广义相对论与量子宇宙学 · 物理学 2015-11-05 Katerina Chatziioannou , Kent Yagi , Antoine Klein , Neil Cornish , Nicolas Yunes

We examine the accuracy of estimation of parameters of the gravitational-wave signals from spinning neutron stars that can be achieved from observations by Earth-based laser interferometers. We consider a model of the signal consisting of…

广义相对论与量子宇宙学 · 物理学 2009-10-31 Piotr Jaranowski , Andrzej Królak

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…

The neutron star equation of state is now being constrained from a diverse set of multi-messenger data, including gravitational waves from binary neutron star mergers, X-ray observations of the neutron star radius, and many types of…

高能天体物理现象 · 物理学 2021-02-24 Carolyn Raithel , Feryal Ozel , Dimitrios Psaltis

The very first detection of gravitational waves from a neutron star binary merger, GW170817, exceeded all expectations. The event was relatively nearby, which may point to a relatively high merger rate. It was possible to extract…

高能天体物理现象 · 物理学 2021-03-31 Andreas Bauswein

Astrophysical observations from NICER and gravitational wave data constrain the properties of matter at the cores of neutron stars, enabling us to probe high-density matter with greater accuracy. To understand its implications for neutron…

高能天体物理现象 · 物理学 2026-02-13 Asim Kumar Saha , Tuhin Malik , Ritam Mallick

Understanding the properties of strongly interacting matter at extreme densities is a central problem in fundamental physics, but neutron star mergers provide a natural laboratory for probing this regime. However, the complexity of the…

高能天体物理现象 · 物理学 2026-02-24 Nina Kunert , Guilherme Grams , William Newton , Edoardo Giangrandi , Anna Puecher , Hauke Koehn , Violetta Sagun , Tim Dietrich

We present a robust method to characterize the gravitational wave emission from the remnant of a neutron star coalescence. Our approach makes only minimal assumptions about the morphology of the signal and provides a full posterior…

广义相对论与量子宇宙学 · 物理学 2018-01-03 Katerina Chatziioannou , James Alexander Clark , Andreas Bauswein , Margaret Millhouse , Tyson B. Littenberg , Neil Cornish

Gravitational waves have been detected from the inspiral of a binary neutron-star, GW170817, which allowed constraints to be placed on the neutron star equation of state. The equation of state can be further constrained if gravitational…

广义相对论与量子宇宙学 · 物理学 2019-08-14 Paul J. Easter , Paul D. Lasky , Andrew R. Casey , Luciano Rezzolla , Kentaro Takami

We investigate the constraints on the neutron star equation of state (EoS) and nuclear properties achievable with third-generation gravitational wave detectors using the Fisher information matrix approach within the relativistic mean field…

高能天体物理现象 · 物理学 2026-05-29 Zhenyu Zhu , Richard O'Shaughnessy

We demonstrate Bayesian analyses of the complete gravitational-wave spectrum of binary neutron star mergers events with the next-generation detector Einstein Telescope. Our mock analyses are performed for 20 different signals using the…

广义相对论与量子宇宙学 · 物理学 2026-02-12 Giulia Huez , Sebastiano Bernuzzi , Matteo Breschi , Rossella Gamba
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