English
Related papers

Related papers: Constraints on the maximum densities of neutron st…

200 papers

It is currently unknown how matter behaves at the extreme densities found within the cores of neutron stars. Measurements of the neutron star equation of state probe nuclear physics that is otherwise inaccessible in a laboratory setting.…

High Energy Astrophysical Phenomena · Physics 2026-03-03 Kris Walker , Rory Smith , Eric Thrane , Daniel J. Reardon

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

We show that the maximum and the minimum mass of merging neutron stars can be estimated with upcoming gravitational wave observations. We simulate populations of binary neutron star signals and model their mass distribution including upper…

High Energy Astrophysical Phenomena · Physics 2020-09-30 Katerina Chatziioannou , Will M. Farr

Gravitational waves from binary neutron star coalescences contain rich information about matter at supranuclear densities encoded by the neutron star equation of state. We can measure the equation of state by analyzing the tidal…

General Relativity and Quantum Cosmology · Physics 2020-05-27 Francisco Hernandez Vivanco , Rory Smith , Eric Thrane , Paul D. Lasky , Colm Talbot , Vivien Raymond

Determining the equation of state of matter at nuclear density and hence the structure of neutron stars has been a riddle for decades. We show how the imminent detection of gravitational waves from merging neutron star binaries can be used…

General Relativity and Quantum Cosmology · Physics 2014-09-05 Kentaro Takami , Luciano Rezzolla , Luca Baiotti

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

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 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

Extending previous work by a number of authors, we have recently presented a new approach in which the detection of gravitational waves from merging neutron star binaries can be used to determine the equation of state of matter at nuclear…

General Relativity and Quantum Cosmology · Physics 2015-03-09 Kentaro Takami , Luciano Rezzolla , Luca Baiotti

We present an effective, low-dimensionality frequency-domain template for the gravitational wave signal from the stellar remnants from binary neutron star coalescence. A principal component decomposition of a suite of numerical simulations…

High Energy Astrophysical Phenomena · Physics 2016-04-13 James Alexander Clark , Andreas Bauswein , Nikolaos Stergioulas , Deirdre Shoemaker

Neutron-star (NS) merger simulations are conducted for 38 representative microphysical descriptions of high-density matter in order to explore the equation-of-state dependence of the postmerger ring-down phase. The formation of a deformed,…

Solar and Stellar Astrophysics · Physics 2013-05-30 A. Bauswein , H. -T. Janka , K. Hebeler , A. Schwenk

The remnant star of a neutron star merger is an anticipated loud source of kiloHertz gravitational waves that conveys unique information on the equation of state of hot matter at extreme densities. Observations of such signals are hampered…

General Relativity and Quantum Cosmology · Physics 2020-01-22 Matteo Breschi , Sebastiano Bernuzzi , Francesco Zappa , Michalis Agathos , Albino Perego , David Radice , Alessandro Nagar

A number of works have shown that important information on the equation of state of matter at nuclear density can be extracted from the gravitational waves emitted by merging neutron-star binaries. We present a comprehensive analysis of the…

General Relativity and Quantum Cosmology · Physics 2016-06-29 Luciano Rezzolla , Kentaro Takami

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

Remnants of neutron-star mergers are essentially massive, hot, differentially rotating neutron stars, which are initially strongly oscillating. They represent a unique probe for high-density matter because the oscillations are detectable…

High Energy Astrophysical Phenomena · Physics 2016-04-20 Andreas Bauswein , Nikolaos Stergioulas , Hans-Thomas Janka

We show how to coherently combine information from a population of sub-threshold, gravitational-wave binary neutron star post-merger remnants. Although no individual event in our synthetic population can be claimed as a confident detection,…

General Relativity and Quantum Cosmology · Physics 2026-04-21 Fiona H. Panther , Paul D. Lasky

The properties of matter at ultra-high densities, low temperatures, and with a significant asymmetry between protons and neutrons can be studied exclusively through astrophysical observations of neutron stars. We show that measurements of…

High Energy Astrophysical Phenomena · Physics 2010-02-16 Feryal Ozel , Dimitrios Psaltis

We show how observations of gravitational waves from binary neutron star (BNS) mergers over the next few years can be combined with insights from nuclear physics to obtain useful constraints on the equation of state (EoS) of dense matter,…

High Energy Astrophysical Phenomena · Physics 2019-10-23 Michael McNeil Forbes , Sukanta Bose , Sanjay Reddy , Dake Zhou , Arunava Mukherjee , Soumi De

Some recent, long-term numerical simulations of binary neutron star mergers have shown that the long-lived remnants produced in such mergers might be affected by convective instabilities. Those would trigger the excitation of inertial…

General Relativity and Quantum Cosmology · Physics 2023-06-14 Miquel Miravet-Tenés , Florencia L. Castillo , Roberto De Pietri , Pablo Cerdá-Durán , José A. Font

We show how gravitational-wave observations with advanced detectors of tens to several tens of neutron-star binaries can measure the neutron-star radius with an accuracy of several to a few percent, for mass and spatial distributions that…

General Relativity and Quantum Cosmology · Physics 2018-01-24 Sukanta Bose , Kabir Chakravarti , Luciano Rezzolla , B. S. Sathyaprakash , Kentaro Takami
‹ Prev 1 2 3 10 Next ›