97 citations · 450 across the 30 of their papers we have counts for
31 papers
Scalable and sequential inference of the neutron star equation of state with the Einstein Telescope
Thibeau Wouters, Thomas C. K. Ng, Hauke Koehn +4
Future gravitational-wave observatories such as the Einstein Telescope will detect tens of thousands of binary neutron star mergers per year, making gravitational waves a dominant…
Nonlinear hydrodynamics in spinning neutron stars: Theoretical universal relations and equilibrium solutions
Hang Yu, Giorgio Nicolini, Shu Yan Lau +6
We study tides during the inspiral of a binary neutron star system, including nonlinear hydrodynamical interactions. Using an affine approximation that treats the perturbed neutron…
Advanced Virgo during the LIGO-Virgo-KAGRA fourth observing run
Virgo Collaboration, F Acernese, A Agapito +546
From April 10, 2024 to November 18, 2025 Advanced Virgo participated in the fourth observing run of the network of gravitational-wave detectors, together with Advanced LIGO and KAG…
Impact of the Einstein Telescope's duty cycle on the estimation of binary black holes parameters
Luca Negri, Thomas C. K. Ng, Thibeau Wouters +13
The geometry of the Einstein Telescope, the proposed next-generation European gravitational-wave observatory, is yet to be finalized. Two competing designs are under consideration:…
Detecting Tidal Resonances in Binary Neutron Stars
Fabian Gittins, Harsh Narola, Thibeau Wouters +3
As a binary neutron star inspirals due to the emission of gravitational waves, the rising tidal frequency resonantly excites vibrational modes. These oscillations are seismological…
ESO Expanding Horizon White Paper: Revealing the properties of matter at supranuclear densities with gravitational waves
Tim Dietrich, Tanja Hinderer, Micaela Oertel +40
Understanding dense matter under extreme conditions is one of the most fundamental puzzles in modern physics. Complex interactions give rise to emergent, collective phenomena. Whil…
The tidal response of a relativistic star
Nils Andersson, Rhys Counsell, Fabian Gittins +1
We develop a fully relativistic approach for determining the response of a compact star to a time/frequency dependent (tidal) environment. The strategy involves matching the soluti…
Dynamical neutron-star tides: The signature of a mode resonance
P. Pnigouras, N. Andersson, F. Gittins +1
Motivated by future opportunities in gravitational-wave astronomy and the ongoing effort to constrain physics under extreme conditions, we consider the signature of individual mode…
A post-Newtonian approach to neutron star oscillations
Shanshan Yin, Nils Andersson, Fabian Gittins
Next-generation gravitational-wave detectors are expected to constrain the properties of extreme density matter via observations of static and dynamical tides in binary neutron sta…
Interface modes in inspiralling neutron stars: A gravitational-wave probe of first-order phase transitions
A. R. Counsell, F. Gittins, N. Andersson +1
At the extreme densities in neutron stars, a phase transition to deconfined quark matter is anticipated. Yet masses, radii and tidal deformabilities offer only indirect measures of…
The Science of the Einstein Telescope
Adrian Abac, Raul Abramo, Simone Albanesi +485
Einstein Telescope (ET) is the European project for a gravitational-wave (GW) observatory of third-generation. In this paper we present a comprehensive discussion of its science ob…
Perturbation theory for post-Newtonian neutron stars
Fabian Gittins, Nils Andersson, Shanshan Yin
Neutron stars are compact, relativistic bodies that host several extremes of modern physics. An exciting development in recent years has been the opportunity to probe this exotic p…
Neutron star g-modes in the relativistic Cowling approximation
Rhys Counsell, Fabian Gittins, Nils Andersson +1
Mature neutron stars are expected to exhibit gravity g-modes due to stratification caused by a varying matter composition in the high-density core. By employing the BSk equation of…
Problematic systematics in neutron-star merger simulations
F. Gittins, R. Matur, N. Andersson +1
Next-generation gravitational-wave instruments are expected to constrain the equation of state of dense nuclear matter by observing binaries involving neutron stars. We highlight a…
Neutron-star seismology with realistic, finite-temperature nuclear matter
Fabian Gittins, Nils Andersson
The oscillation spectrum of a neutron star is notably rich and intrinsically dependent on the equation of state of nuclear matter. With recent advancements in gravitational-wave an…
Gravitational waves from neutron-star mountains
Fabian Gittins
Rotating neutron stars that support long-lived, non-axisymmetric deformations known as mountains have long been considered potential sources of gravitational radiation. However, th…
The impact of nuclear reactions on the neutron-star g-mode spectrum
A. R. Counsell, F. Gittins, N. Andersson
Mature neutron stars are expected exhibit gravity g-modes due to stratification caused by varying composition. These modes are affected by nuclear reactions, leading to complex (da…
Modelling Neutron-Star Ocean Dynamics
F. Gittins, T. Celora, A. Beri +1
We re-visit the calculation of mode oscillations in the ocean of a rotating neutron star, which may be excited during thermonuclear X-ray bursts. Our present theoretical understand…
AstroSat and NuSTAR observations of XTE J1739-285 during the 2019-2020 outburst
Aru Beri, Rahul Sharma, Pinaki Roy +5
We report results from a study of XTE J1739-285, a transient neutron star low mass X-ray binary observed with AstroSat and NuSTAR during its 2019-2020 outburst. We detected accreti…
The r-modes of slowly rotating, stratified neutron stars
Fabian Gittins, Nils Andersson
The only r-modes that exist in a globally barotropic, rotating, Newtonian star are the fundamental solutions, where and are the indices of the spherical harmonic…
Formulating the r-mode problem for slowly rotating neutron stars
Nils Andersson, Fabian Gittins
We revisit the problem of inertial r-modes in stratified stars, drawing on a more precise description of the composition stratification in a mature neutron star. The results highli…
Building post-Newtonian neutron stars
Nils Andersson, Fabian Gittins, Shanshan Yin +1
Owed to their compactness, neutron stars involve strong gravity and extreme density physics. Nevertheless, at present, there are a variety of problems where progress (at least conc…
Rotating Love: The dynamical tides of spinning Newtonian stars
Pantelis Pnigouras, Fabian Gittins, Amlan Nanda +2
We carefully develop the framework required to model the dynamical tidal response of a spinning neutron star in an inspiralling binary system, in the context of Newtonian gravity,…
Gravitational waves from deformed neutron stars: mountains and tides
Fabian Gittins
With the remarkable advent of gravitational-wave astronomy, we have shed light on previously shrouded events: compact binary coalescences. Neutron stars are promising (and confirme…