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Related papers: Interpreting Binary Neutron Star Mergers: Describi…

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With the first observation of a binary neutron star merger through gravitational waves and light GW170817, compact binary mergers have now taken the center stage in nuclear astrophysics. They are thought to be one of the main astrophysical…

High Energy Astrophysical Phenomena · Physics 2020-02-11 David Radice , Sebastiano Bernuzzi , Albino Perego

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 can potentially measure properties of neutron star equations of state by measuring departures from the point-particle limit of the gravitational waveform produced in the late inspiral of a neutron star…

General Relativity and Quantum Cosmology · Physics 2011-10-19 Charalampos Markakis , Jocelyn S. Read , Masaru Shibata , Koji Uryu , Jolien D. E. Creighton , John L. Friedman , Benjamin D. Lackey

At supranuclear densities, explored in the core of neutron stars, a strong phase transition from hadronic matter to more exotic forms of matter might be present. To test this hypothesis, binary neutron-star mergers offer a unique…

High Energy Astrophysical Phenomena · Physics 2020-10-02 Peter T. H. Pang , Tim Dietrich , Ingo Tews , Chris Van Den Broeck

Gravitational waves provide us with an extraordinary tool to study the matter inside neutron stars. In particular, the postmerger signal probes an extreme temperature and density regime and will help reveal information about the equation of…

General Relativity and Quantum Cosmology · Physics 2023-06-21 Anna Puecher , Tim Dietrich , Ka Wa Tsang , Chinmay Kalaghatgi , Soumen Roy , Yoshinta Setyawati , Chris Van Den Broeck

Gravitational wave astronomy might allow us to detect the coalescence of low-brightness astrophysical compact objects which are extremely difficult to be observed with current electromagnetic telescopes. Besides classical sources like black…

General Relativity and Quantum Cosmology · Physics 2018-12-04 Miguel Bezares , Carlos Palenzuela

We present a robust and efficient methodology for parameter estimation of gravitational waves generated during the post-merger phase of binary neutron star mergers. Our approach leverages an analytic waveform model combined with empirical…

General Relativity and Quantum Cosmology · Physics 2026-01-13 Stamatis Vretinaris , Georgios Vretinaris , Christos Mermigkas , Minas Karamanis , Nikolaos Stergioulas

The equation of state plays a critical role in the physics of the merger of two neutron stars. Recent numerical simulations with microphysical equation of state suggest the outcome of such events depends on the mass of the neutron stars.…

High Energy Astrophysical Phenomena · Physics 2015-06-22 J. Clark , A. Bauswein , L. Cadonati , H. -T. Janka , C. Pankow , N. Stergioulas

The first detection of gravitational waves from a merging double neutron star (DNS) binary implies a much higher rate of DNS coalescences in the local Universe than typically estimated on theoretical grounds. The recent study by Chruslinska…

High Energy Astrophysical Phenomena · Physics 2020-02-19 Martyna Chruslinska

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…

High Energy Astrophysical Phenomena · Physics 2026-02-24 Nina Kunert , Guilherme Grams , William Newton , Edoardo Giangrandi , Anna Puecher , Hauke Koehn , Violetta Sagun , Tim Dietrich

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…

General Relativity and Quantum Cosmology · Physics 2020-02-05 Andreas Bauswein , Nikolaos Stergioulas

The gravitational waves produced by binary neutron star mergers offer a unique window into matter behavior under extreme conditions. In this context, we model analytically the effect of matter on the gravitational waves from binary neutron…

High Energy Astrophysical Phenomena · Physics 2024-08-06 Alexander O'Dell , Maria C. Babiuc Hamilton

The detection of GW170817, together with its electromagnetic counterparts, has proven that binary neutron star mergers are of central importance to the field of nuclear astrophysics, e.g., through a better understanding of the formation of…

High Energy Astrophysical Phenomena · Physics 2025-03-12 Ranjith Mudimadugula , Federico Schianchi , Anna Neuweiler , Thibeau Wouters , Henrique Gieg , Tim Dietrich

Simulations of binary neutron stars have seen great advances in terms of physical detail and numerical quality. However, the spin of the neutron stars, one of the simplest global parameters of binaries, remains mostly unstudied. We present…

General Relativity and Quantum Cosmology · Physics 2015-04-15 Sebastiano Bernuzzi , Tim Dietrich , Wolfgang Tichy , Bernd Bruegmann

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…

General Relativity and Quantum Cosmology · Physics 2026-02-12 Giulia Huez , Sebastiano Bernuzzi , Matteo Breschi , Rossella Gamba

Using an effective Lagrangian model inspired by Takami et al. 2015 we qualitatively study the early post-merger of a nearly symmetric binary Neutron Star (BNS) merger event with a non-vanishing ambient fraction of dark matter. For this we…

General Relativity and Quantum Cosmology · Physics 2025-08-05 D. Suárez-Fontanella , D. Barba-González , C. Albertus , M. Ángeles Pérez-García

We present a new analytic model describing gravitational wave emission in the post-merger phase of binary neutron star mergers. The model is described by a number of physical parameters that are related to various oscillation modes,…

High Energy Astrophysical Phenomena · Physics 2022-03-09 Theodoros Soultanis , Andreas Bauswein , Nikolaos Stergioulas

The recent detection of gravitational waves and electromagnetic counterparts emitted during and after the collision of two neutron stars marks a breakthrough in the field of multi-messenger astronomy. Numerical relativity simulations are…

General Relativity and Quantum Cosmology · Physics 2018-03-22 Tim Dietrich , Sebastiano Bernuzzi , Bernd Bruegmann , Wolfgang Tichy

Merging neutron star (NS) binaries may be detected by ground-based gravitational wave (GW) interferometers (e.g. LIGO/VIRGO) within this decade and may also generate electromagnetic radiation detectable by wide-field, fast imaging…

High Energy Astrophysical Phenomena · Physics 2015-06-12 Dong Lai

The merger of two neutron stars is a very complex process. In order to disentangle the various steps through which it takes place it is mandatory to examine all the signals we can detect: gravitational waves and electromagnetic waves, in a…

High Energy Astrophysical Phenomena · Physics 2018-02-07 Alessandro Drago , Giuseppe Pagliara , Silvia Traversi