English
Related papers

Related papers: Relevance of tidal effects and post-merger dynamic…

200 papers

We investigate the measurement correlation between the effective spin and the effective tidal deformability in gravitational wave signals from binary neutron star mergers. To efficiently measure the effective tidal deformability parameter,…

General Relativity and Quantum Cosmology · Physics 2026-02-10 Souradeep Pal , K Rajesh Nayak

The combined observation of gravitational and electromagnetic waves from the coalescence of two neutron stars marks the beginning of multi-messenger astronomy with gravitational waves (GWs). The development of accurate gravitational…

The gravitational wave signal from a binary neutron star inspiral contains information on the nuclear equation of state. This information is contained in a combination of the tidal polarizability parameters of the two neutron stars and is…

General Relativity and Quantum Cosmology · Physics 2016-06-01 Thibault Damour , Alessandro Nagar , Loic Villain

Gravitational wave measurements of binary neutron star coalescences offer information about the properties of the extreme matter that comprises the stars. Despite our expectation that all neutron stars in the Universe obey the same equation…

General Relativity and Quantum Cosmology · Physics 2018-05-30 Katerina Chatziioannou , Carl-Johan Haster , Aaron Zimmerman

The study of binary neutron stars mergers by the detection of the emitted gravitational waves is one of the most promised tools to study the properties of dense nuclear matter at high densities. It is worth claiming that, at the moment,…

High Energy Astrophysical Phenomena · Physics 2022-07-05 A. Kanakis-Pegios , P. S. Koliogiannis , Ch. C. Moustakidis

Gravitational wave (GW) astronomy has consolidated its role as a new observational window to reveal the properties of compact binaries in the Universe. In particular, the discovery of the first binary neutron star coalescence, GW170817, led…

General Relativity and Quantum Cosmology · Physics 2018-12-26 Anuradha Samajdar , Tim Dietrich

The gravitational wave signal emitted during the coalescence of two neutron stars carries information about the stars' internal structure. During the long inspiral phase the main matter observable is the tidal interaction between the binary…

General Relativity and Quantum Cosmology · Physics 2022-05-13 Marcella Wijngaarden , Katerina Chatziioannou , Andreas Bauswein , James A. Clark , Neil J. Cornish

The gravitational wave signal from a binary neutron star merger carries the imprint of the deformability properties of the coalescing bodies, and then of the equation of state of neutron stars. In current models of the waveforms emitted in…

General Relativity and Quantum Cosmology · Physics 2022-07-20 Gonçalo Castro , Leonardo Gualtieri , Andrea Maselli , Paolo Pani

We construct new, multivariate empirical relations for measuring neutron star radii and tidal deformabilities from the dominant gravitational wave frequency in the post-merger phase of binary neutron star mergers. The relations determine…

General Relativity and Quantum Cosmology · Physics 2020-04-29 Stamatis Vretinaris , Nikolaos Stergioulas , Andreas Bauswein

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

Advanced ground-based gravitational-wave detectors are capable of measuring tidal influences in binary neutron-star systems. In this work, we report on the statistical uncertainties in measuring tidal deformability with a full Bayesian…

General Relativity and Quantum Cosmology · Physics 2014-05-28 Leslie Wade , Jolien D. E. Creighton , Evan Ochsner , Benjamin D. Lackey , Benjamin F. Farr , Tyson B. Littenberg , Vivien Raymond

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

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

Extracting the properties of a binary system emitting gravitational waves relies on models describing the last stages of the compact binary coalescence. In this article, we study potential biases inherent to current tidal waveform…

General Relativity and Quantum Cosmology · Physics 2019-07-31 Anuradha Samajdar , Tim Dietrich

The study of neutron star mergers by the detection of the emitted gravitational waves is one of the most promised tools to study the properties of dense nuclear matter at high densities. It is worth claiming that, at the moment, strong…

High Energy Astrophysical Phenomena · Physics 2021-10-22 A. Kanakis-Pegios , P. S. Koliogiannis , Ch. C. Moustakidis

Binary neutron-star systems represent one of the most promising sources of gravitational waves. In order to be able to extract important information, notably about the equation of state of matter at nuclear density, it is necessary to have…

General Relativity and Quantum Cosmology · Physics 2011-10-13 Luca Baiotti , Thibault Damour , Bruno Giacomazzo , Alessandro Nagar , Luciano Rezzolla

Extracting the unique information on ultradense nuclear matter from the gravitational waves emitted by merging, neutron-star binaries requires robust theoretical models of the signal. We develop a novel effective-one-body waveform model…

Tidal interactions in coalescing binary neutron stars modify the dynamics of the inspiral and hence imprint a signature on their gravitational wave (GW) signals in the form of an extra phase shift. We need accurate models for the tidal…

General Relativity and Quantum Cosmology · Physics 2023-01-10 Hang Yu , Nevin N. Weinberg , Phil Arras , James Kwon , Tejaswi Venumadhav

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 data analysis of the gravitational wave signals emitted by coalescing neutron star binaries requires the availability of an accurate analytical representation of the dynamics and waveforms of these systems. We propose an…

General Relativity and Quantum Cosmology · Physics 2015-05-15 Sebastiano Bernuzzi , Alessandro Nagar , Tim Dietrich , Thibault Damour
‹ Prev 1 2 3 10 Next ›