Neutron star merger remnants

S Bernuzzi - General Relativity and Gravitation, 2020 - Springer
Binary neutron star mergers observations are a unique way to constrain fundamental
physics and astrophysics at the extreme. The interpretation of gravitational-wave events and …

The key role of magnetic fields in binary neutron star mergers

R Ciolfi - General Relativity and Gravitation, 2020 - Springer
The first multimessenger observation of a binary neutron star (BNS) merger in August 2017
demonstrated the huge scientific potential of these extraordinary events. This breakthrough …

Turbulent magnetic field amplification in binary neutron star mergers

C Palenzuela, R Aguilera-Miret, F Carrasco, R Ciolfi… - Physical Review D, 2022 - APS
Magnetic fields are expected to play a key role in the dynamics and the ejection
mechanisms that accompany the merger of two neutron stars. General relativistic …

Role of turbulence and winding in the development of large-scale, strong magnetic fields in long-lived remnants of binary neutron star mergers

R Aguilera-Miret, C Palenzuela, F Carrasco, D Viganò - Physical Review D, 2023 - APS
We perform a long and accurate large-eddy simulation of a binary neutron star merger,
following the newly formed remnant up to 110 milliseconds. The combination of high-order …

Jetlike structures in low-mass binary neutron star merger remnants

J Bamber, A Tsokaros, M Ruiz, SL Shapiro - Physical Review D, 2024 - APS
GW170817 and GRB 170817A provided direct evidence that binary neutron star (NSNS)
mergers can produce short gamma-ray bursts (sGRBs). However, questions remain about …

Impact of a mean field dynamo on neutron star mergers leading to magnetar remnants

ER Most - Physical Review D, 2023 - APS
We investigate the impact of a mean field model for the α Ω dynamo potentially active in the
postmerger phase of a binary neutron star coalescence. We do so by deriving equations for …

Crustal magnetic fields do not lead to large magnetic-field amplifications in binary neutron star mergers

M Chabanov, SD Tootle, ER Most… - The astrophysical …, 2023 - iopscience.iop.org
The amplification of magnetic fields plays an important role in explaining numerous
astrophysical phenomena associated with binary neutron star mergers, such as mass …

Proto-neutron stars with heavy baryons and universal relations

AR Raduta, M Oertel, A Sedrakian - Monthly Notices of the Royal …, 2020 - academic.oup.com
We use covariant density functional theory to obtain the equation of state (EoS) of matter in
compact stars at non-zero temperature, including the full baryon octet as well as the Δ …

A unified picture of short and long gamma-ray bursts from compact binary mergers

O Gottlieb, BD Metzger, E Quataert, D Issa… - The Astrophysical …, 2023 - iopscience.iop.org
The recent detections of the∼ 10 s long γ-ray bursts (GRBs) 211211A and 230307A
followed by softer temporally extended emission (EE) and kilonovae point to a new GRB …

Jet launching from binary neutron star mergers: Incorporating neutrino transport and magnetic fields

L Sun, M Ruiz, SL Shapiro, A Tsokaros - Physical Review D, 2022 - APS
We perform general relativistic, magnetohydrodynamic simulations of merging binary
neutron stars incorporating neutrino transport and magnetic fields. Our new radiative …